Knowledge (XXG)

U.S. Route 51 in Louisiana

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999:, a section of I-10 that follows the old canal right-of-way.) However, the entire route along the lakeshore and on to Ponchatoula existed only on paper. North of Ponchatoula, the remainder of the route would have the benefit of following existing roads through the higher terrain there. The construction of the lakeshore highway was intended to provide a direct land connection between New Orleans and Hammond while taking advantage of the scenic beauty of Lake Pontchartrain and the surrounding swampland. In addition, the man-made embankment required to carry the road would serve as a levee to prevent lake water from inundating the extensive residential development envisioned to line the highway. 1012:
of machine-rolling and allowing for sufficient settling of the roadbed, the embankment would be surfaced with shells dredged from the lake. A 3,000-foot (910 m) timber bridge with a steel draw span was constructed across Pass Manchac, and smaller bridges totaling over 2,600 feet (790 m) spanned the numerous other waterways along the route. This link of the highway was officially opened on April 1, 1927 with a formal dedication following three weeks later. While still under construction, Route 33 was chosen as the official route of US 51 after the U.S. Highway system was implemented in November 1926.
845:(La DOTD). However, the section running through Hammond serves as an urban principal arterial. Daily traffic volume in 2013 peaked at 24,500 vehicles in Hammond, decreasing steadily to around 3,000 heading north toward Kentwood. After increasing to 14,700 through Kentwood, the figures dwindled to a low of 2,300 vehicles per day near the Mississippi state line. The posted speed limit is generally 55 mph (90 km/h) in rural areas, reduced to as low as 25 mph (40 km/h) through town. However, the multilane sections through LaPlace and Hammond carry a speed limit of 45 mph (70 km/h). 1016: 2601:(La DOTD) as an urban minor arterial in Ponchatoula and as an urban principal arterial in Hammond. The average daily traffic volume in 2013 was reported as reaching peaks of 28,000 and 31,500 vehicles in Ponchatoula and Hammond, respectively. The lowest figure reported was 4,800 vehicles daily through the sparsely populated swamp at its southern end. The posted speed limit ranges from 25 mph (40 km/h) through the center of both cities to 55 mph (90 km/h) in more rural areas. 916: 2378: 2341: 2132: 1961: 1943: 1823: 1775: 1655: 2235: 1890: 1858: 2966: 2740: 2707: 2287: 2185: 2097: 2038: 1986: 1573: 443: 425: 402: 387: 228: 214: 175: 102: 1135:
subsidence and was promptly abandoned. The new road was later intended to carry southbound traffic on I-55 and was to be paired with an elevated span carrying the northbound lanes. In 1972, plans changed to the current configuration of a double elevated span with the ground-level road serving as a frontage road. Plans for a frontage road on the opposite side of the elevated highway were proposed but eventually abandoned.
3909: 3079: 2469: 2594:, the city's main east–west thoroughfare, which follows the one-way pair of Morris and Thomas Streets. The route turns west concurrent with US 190 and heads through the downtown area. After a dozen blocks, the east and westbound lanes converge as West Thomas Street widens to four lanes. Soon afterward, US 51 Bus. terminates at an intersection with its parent route at Morrison Boulevard. 1614: 1301: 1320: 1687: 1529: 2906: 2867: 2747: 2293: 2241: 2192: 2139: 2044: 1992: 1897: 1781: 1744: 1705: 1314: 2978: 2407: 2335: 1955: 1681: 1523: 2476: 2893: 2826: 2734: 2701: 2372: 2179: 2126: 2091: 1937: 1884: 1852: 1649: 1073:. With three highways—the existing Jefferson Highway, the new Airline Highway, and the proposed Lakeshore Highway—now potentially requiring bridges to cross the spillway, the Lakeshore Highway could no longer be provided for. As a result, the section of the route through Jefferson Parish was scarcely used and only sporadically maintained for automobile traffic. 44: 1035:) into New Orleans. This was intended to be a temporary measure until the remainder of the route along Lake Pontchartrain was completed. Nevertheless, the highway distance between New Orleans and Hammond was reduced from 90.5 to 68 miles (145.6 to 109.4 km) by eliminating a circuitous route around the eastern side of Lake Pontchartrain through 2899: 2832: 1699: 203: 4002: 2861: 2666: 2413: 1693: 1535: 1222: 250: 129: 2912: 2873: 2792: 2753: 2661: 2299: 2247: 2198: 2145: 2050: 1998: 1903: 1787: 1750: 1711: 1620: 1326: 1307: 1261: 189: 164: 153: 1097:
eliminated several unnecessary U.S. Highway concurrencies and truncated the route of US 51 to the junction with US 61 in LaPlace. The portion of the old Lakeshore Highway in New Orleans and the Bucktown neighborhood in Jefferson Parish remained in the state highway system as a disconnected
669:
on the north side. The highway proceeds through the swamps of southern Tangipahoa Parish for another 8 miles (13 km) before returning to grade. At this point, an exit primarily serving southbound traffic connects to the north end of the frontage road. Soon afterward, I-55/US 51 curves to
1130:
A new fixed-span bridge over Pass Manchac was completed in August 1957 on the west side of the original bridge, which was utilized as a fishing pier until being destroyed by fire in 1969. The four-lane bypass of Ponchatoula and Hammond was completed around the end of 1960. It was the first section
1011:
near the present intersection of I-10 and I-55. At the time, the method of road construction through such terrain involved the long and arduous task of dredging a canal along the intended right-of-way and piling up the spoils on the side of the canal to form an embankment. After a repeated process
1146:
The new twin-span elevated highway was opened on May 25, 1979, and official Louisiana highway maps indicate that US 51 remained on the ground-level route for two or three years before being shifted onto the interstate alignment. With a length of 22.8 miles (36.7 km), the elevated section
1110:
Paving projects during the late 1920s and early 1930s led to the early realignment of two portions of US 51 in Tangipahoa Parish. The original route between Independence and Amite City followed what is now known as Old US 51 and remained for a time in the pre-1955 state highway system as
1134:
The entire portion of US 51 between Frenier and the Ponchatoula bypass was reconstructed between the late 1950s and mid-1960s. This road now serves as the I-55/US 51 frontage road. The original roadbed, still visible on the east side of the frontage road, had continually suffered from
1076:
By 1945, the embankment had eroded considerably and was no longer adequate in terms of flood protection for the growing suburban development in the parish. Over the next few years, a new levee system was constructed by improved methods on the land side of the original embankment, which was then
900:
and Manchac swamps around the rim of Lake Pontchartrain. This proposed scenic highway was never fully realized, and US 51 effectively followed the route of US 61 through the New Orleans area until being truncated to its present terminus in LaPlace in 1951, eliminating the concurrency.
1162:
La DOTD is currently engaged in a program that aims to transfer about 5,000 miles (8,000 km) of state-owned roadways to local governments over the next several years. Under this plan of "right-sizing" the state highway system, the portion of US 51 between I-55 and US 190 in
1059:
in the early 1930s, several factors caused the construction of the remaining link between Kenner and Frenier to be abandoned soon afterward. The route through the LaBranche swamp in St. Charles Parish proved to be the most difficult road construction in the state up to that time, and the heavy
848:
The portion of US 51 utilizing the route of I-55 is classified as an urban interstate north of exit 23 and as a rural interstate otherwise. Daily traffic volume in 2013 averaged about 18,200 vehicles near I-10 and steadily increased to a peak of 31,200 vehicles between the Ponchatoula and
980:
Route No. 33. Beginning at South Carrollton Avenue and New Basin Canal New Orleans, both sides of the New Basin Canal as far as the Cemeteries, thence on the West side of the New Basin Canal to West End thence along the shore of Lake Pontchartrain, through La Branche, Ruddock, Stradder,
625:
to the north as there is no direct connection. With a median replacing the center lane, US 51 proceeds a short distance to an intersection with Frenier Road, where signage directs through traffic to turn west and follow a ramp onto the elevated I-55 at exit 1. For the next 22 miles
567:
Prior to 1951, US 51 began in downtown New Orleans and followed the route of US 61 to its current southern terminus in LaPlace. For a time in the late 1920s to mid-1930s, however, it was intended to follow a scenic route along the shore of Lake Pontchartrain known as the New
707:, just east of its interchange with I-55. For the remainder of its journey in Louisiana, US 51 parallels the route of I-55 at a distance generally between 1 and 2 miles (1.6 and 3.2 km) to the east. Passing to the west of the traditional downtown area, US 51 intersects 1131:
of I-55 to open in Louisiana as well as one of the first completed projects of the Interstate Highway System in the state. US 51 was immediately moved onto the bypass, and the original alignment traversing the center of both cities was designated as US 51 Bus.
1085:
on the Jefferson–Orleans parish line connects it with the portion within the city of New Orleans. Popularly known as Old Hammond Highway, the road is signed as Metairie–Hammond Highway on the Jefferson Parish side and as NO–Hammond Highway on the New Orleans side.
766:. Initially traveling along 1st Street, one block distant from the railroad line, US 51 zigzags east onto Chestnut Street then north onto Central Avenue. One block later, flanked by the rail line and a row of antique brick storefronts, an intersection with 3696: 813:, the main east–west thoroughfare, at Avenue G. The highway curves to the northeast on the way out of town and continues for another 4 miles (6.4 km) to the state line. During this stretch is the final junction with a state route, 1142:
leading to the collapse of three spans. One person was killed and at least two others injured in the accident. Using federal disaster funds, the bridge was rebuilt over the course of three months and reopened to traffic on December 17, 1976.
617:. US 51 heads northeast as an undivided four-lane highway with a center turning lane through a growing residential and commercial corridor. After 3 miles (4.8 km), the route reaches the edge of town and passes through a 1163:
Hammond is proposed for deletion as it does not meet a significant interurban travel function. The portions of US 51 Bus. not concurrent with US 190 or LA 22 are also to be transferred to local control.
1068:
in 1933 that bisected the route. A two-mile section of the embankment, not yet surfaced for travel, was severed to provide a path for floodwaters as part of a larger system designed to prevent a re-occurrence of the
336: 3042: 4055: 698:
Heading north on Morrison Boulevard, US 51 returns to its original capacity, an undivided four-lane highway with center turning lane. Almost immediately, the highway crosses over without intersecting
738:
state line and intersect a series of rural east–west routes that often lead to nearby interchanges with I-55, the main route of through traffic in the area. In Tickfaw, this function is served by
1715: 1539: 671: 2547:(CN) line through the thickly wooded swamp into Ponchatoula, traveling on Southwest Railroad Avenue. After two miles (3.2 km), the highway reaches the center of town and intersects 742:, which also has a brief concurrency with US 51 as the former makes a zigzag in the center of town. 4 miles (6.4 km) north of Tickfaw, US 51 passes through the town of 4060: 1154:
The final realignment of US 51 to date shifted the route through LaPlace from Main Street, a narrow two-lane thoroughfare, onto a parallel five-lane alignment completed in 1985.
1151:) became one of the longest bridges over water in the world. Free from flooding and subsidence, it provides a vital hurricane evacuation route for the New Orleans metropolitan area. 3016: 2598: 842: 711:(West Thomas Street), its main east–west commercial thoroughfare. This intersection also marks the northern terminus of US 51 Bus. Upon exiting Hammond, an intersection with 69: 2551:(West Pine Street), an undivided four-lane thoroughfare. US 51 Bus. turns west to follow LA 22, flanked by rows of historic brick storefronts. Just short of a 1064:, a streamlined route between New Orleans and Baton Rouge that would parallel the lakeshore route through the area. The death knell, however, was the construction of the 3972: 991:
In New Orleans, Route 33 was designated to follow an existing road alongside a shipping canal from South Carrollton Avenue to an area on Lake Pontchartrain known as
3303: 1090: 568:
Orleans–Hammond Lakeshore Highway. Construction difficulties and budget limitations led to the abandonment of the project before the portion through the swamps of
1102:. The remainder of US 51 carried no state route designation after the renumbering, which eliminated unnecessary concurrencies between U.S. and state routes. 1089:
With the abandonment of the Lakeshore Highway, US 51 remained co-signed with US 61 into New Orleans. This routing was officially recognized by the
1060:
expenditure invested became a continual source of controversy. The highway's practical need was questioned as construction progressed on the more important
3107: 3216: 3185: 3862: 4065: 3148: 892:. Much of the distance between New Orleans and Hammond was intended to follow the New Orleans–Hammond Lakeshore Highway, an ambitious project by the 355: 331: 3300:
United States Numbered Highways, Selected by American Association of State Highway Officials, Approved by United States Department of Agriculture
2559:. Proceeding as a two-lane highway with a center turning lane, US 51 Bus. crosses from Ponchatoula into the city of Hammond just past the 1392: 1202: 973: 602: 300: 467: 323: 3765: 686:, the primary east–west highway through Ponchatoula. US 51 departs from I-55 at the following exit and enters the neighboring city of 3836: 4045: 719:. Shortly afterward, US 51 narrows to an undivided two-lane highway and will remain in that capacity for the rest of its journey. 365: 2609: 1099: 642:
and is the second-longest bridge over water in the United States. 7 miles (11 km) along the way, a tight diamond interchange at
360: 1801: 716: 678:. The interstate proceeds around the west side of town, an area of scattered suburban development within the thick pine forest. A 626:(35 km), US 51 travels concurrently with the elevated four-lane interstate through the thickly wooded swamp lying between 2536:. It follows the original route of US 51 through the area before the completion of the I-55 bypass just to the west in 1960. 2604:
The route was part of mainline US 51 from its creation in 1926 until its realignment onto I-55 in 1960. It was also part of
646:
connects with the grade-level pre-interstate alignment, which serves as a frontage road and closely parallels the entire stretch.
3320: 1094: 1070: 873: 661:, contains a cluster of boat houses and fishing camps situated along the frontage road. This small community is also known as 370: 1015: 3248: 2575: 704: 569: 518: 478:. Within the state of Louisiana, the highway travels 69.12 miles (111.24 km) from the national southern terminus at 968:
The New Orleans–Hammond Lakeshore Highway had been planned for several years when, in 1921, it was designated as part of
841:
The portions of US 51 not concurrent with I-55 are generally classified as an urban or rural major collector by the
4027: 3012: 2620: 2533: 2417: 1431: 1396: 1019:
1941 aerial photo showing Old Hammond Highway running along the Lake Pontchartrain shore west from West End, New Orleans
893: 888:. The southern terminus of US 51 was originally located in downtown New Orleans at a junction with US 61 and 860:. This byway also follows the route of LA 22 southwest from Ponchatoula through the Maurepas swamp to the town of 654: 545: 517:, is the second-longest bridge over water in the United States and serves as a vital hurricane evacuation route for the 304: 253: 2916: 2836: 2591: 1719: 708: 341: 206: 2590:
of South Railroad Avenue and South Oak Street as it approaches the center of town. Here, US 51 Bus. intersects
2540: 1225: 889: 622: 606: 586: 502: 494: 479: 132: 3038: 2920: 2878: 2795: 2761: 2669: 2560: 2544: 2307: 2255: 2206: 2153: 2058: 2006: 1911: 1795: 1755: 1723: 1624: 1334: 1330: 1264: 885: 731: 549: 192: 167: 156: 1112: 1024: 996: 822: 2586:. The route initially widens to four lanes with its center lane intact, but its travel lanes divide onto the 1065: 446: 428: 2263: 2715: 1921: 1028: 857: 743: 553: 4050: 2924: 2882: 2799: 2765: 2687: 2677: 2579: 2556: 2552: 2525: 2382: 2345: 2149: 2105: 2066: 1965: 1947: 1826: 1791: 1659: 1584: 1580: 1553: 1543: 1338: 1272: 1268: 1237: 1233: 1124: 1120: 1116: 935: 897: 814: 771: 712: 679: 675: 614: 610: 525: 498: 182: 105: 1138:
On September 13, 1976, two barges veered from the main channel below the Pass Manchac Bridge, striking a
1007:
Construction began in May 1923 to extend the highway south from Ponchatoula through the Manchac swamp to
2886: 2311: 2259: 2251: 2220: 2210: 2062: 2023: 1907: 1862: 1040: 992: 853: 802: 798: 775: 759: 739: 653:, a waterway that connects the two lakes and forms the boundary between St. John the Baptist Parish and 557: 221: 3861:
Louisiana Department of Transportation and Development, Office of Multimodal Planning (March 2, 2017).
3215:
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012).
3184:
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012).
3147:
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012).
3106:
Louisiana Department of Transportation and Development, Office of Multimodal Planning (February 2012).
734:(CN) line. Both the highway and the rail line pass through a string of communities on the way to the 662: 2970: 2840: 2757: 2711: 2548: 2303: 2202: 2101: 2054: 2002: 1808: 1628: 1576: 1473: 1358: 1148: 1044: 877: 810: 794: 767: 747: 723: 683: 639: 541: 506: 405: 390: 231: 217: 178: 3589:(Map). Scale not given. Baton Rouge: Tourist Bureau, Louisiana Department of Commerce and Industry. 2567: 2421: 2356: 2272: 2010: 1078: 861: 830: 818: 809:, the final town along its route. US 51 passes through Kentwood on 3rd Street and intersects 806: 790: 751: 621:
with I-10 at exit 209. This interchange is also used to feed traffic between I-10 to the west and
618: 561: 487: 261: 235: 3938:(Map) (January 1, 1955 ed.). Scale not given. Baton Rouge: Louisiana Department of Highways. 3434: 2944: 2803: 2775: 2673: 2583: 2543:/US 51 at exit 23. It branches to the north as an undivided two-lane highway alongside the 2529: 2444: 2315: 1836: 1593: 1454: 1436: 1407: 1403: 1383: 1365: 1207: 1036: 1008: 995:. (Much of this road still survives as Pontchartrain Boulevard and partly travels alongside the 939: 881: 826: 727: 687: 658: 643: 627: 594: 533: 510: 471: 196: 136: 1115:. The original route between Tangipahoa and Kentwood is still state-maintained as portions of 3963: 3822: 2982: 2163: 2075: 2014: 1139: 1082: 1056: 1032: 852:
The entire I-55/US 51 frontage road (Old US 51) south of Ponchatoula is part of the
786: 782: 755: 598: 475: 3987: 3274: 3813:(Report). Washington, DC: American Association of State Highway and Transportation Officials 3754:(Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. 3739:(Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development. 666: 3870:(Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development 3224:(Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development 3193:(Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development 3156:(Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development 3115:(Map). Scale not given. Baton Rouge: Louisiana Department of Transportation and Development 1093:(AASHO) on July 22, 1939 and took effect on January 1, 1940. A decade later, however, the 801:. US 51 proceeds through rural northern Tangipahoa Parish, passing through a village 30:
This article is about the section of U.S. Route 51 in Louisiana. For the entire route, see
1229: 1061: 590: 3981: 17: 635: 529: 3567:
Poe, Edgar (December 4, 1938). "Finest Surfaced Roads in South is Mississippi's Aim".
544:
and points north. US 51 serves local traffic through a string of communities in
4039: 4005: 2571: 700: 631: 540:, the route closely parallels I-55, which carries the bulk of through traffic toward 514: 280: 31: 3697:
Historic American Engineering Record: Pass Manchac Bridge (Bridge Recall No. 062080)
2846: 2587: 1424: 915: 650: 1081:
was encompassed by the new levee and remains in use today. A bridge crossing the
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Ponchatoula, Hammond, Amite, Kentwood, to a point on the Mississippi State line.
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abandoned as a public road. Only a small segment through the populated area of
1027:—roughly the modern route of US 51 from Frenier to LaPlace—and US 61 ( 943: 872:
US 51 was designated in November 1926 as one of the original routes of the
763: 735: 483: 257: 3842:. Louisiana Department of Transportation and Development. April 2013. p. 3 3252: 1055:
While Jefferson Parish completed its section of the route between West End and
3489:"State Begins $ 16,000,000 Road Outlay While Nation Invests $ 1,000,000,000". 3251:. Louisiana Department of Transportation and Development. 2013. Archived from 2539:
From the south, US 51 Bus. begins at an interchange with the concurrent
2524:) runs 8.81 miles (14.18 km) in a general north–south direction through 2468: 537: 290: 2612:
when unnecessary overlapping of U.S. and state routes was discontinued.
3971: 3934:
Louisiana Department of Highways, Traffic and Planning Section (1952).
3150:
District 62: Official Control Section Map, Construction and Maintenance
1499:
Northbound entrance and southbound exit; to Old US 51 (local name)
849:
Hammond exits. The posted speed limit is 70 mph (115 km/h).
3893:(Map). Scale not given. Baton Rouge: Louisiana Department of Highways. 3864:
Right-Size the State Highway System: Tangipahoa Parish (South Section)
3639:(Map). Scale not given. Baton Rouge: Louisiana Department of Highways. 3556:(Map). Scale not given. Baton Rouge: Louisiana Department of Highways. 3345:(Map). Scale not given. Baton Rouge: Louisiana Department of Highways. 3327:(Map). Scale not given. Baton Rouge: Louisiana Department of Highways. 1343:
South end of I-55 concurrency; northbound entrance and southbound exit
649:
After 13.5 miles (21.7 km), the highway elevates higher to cross
758:. Continuing due north for 6 miles (9.7 km), US 51 enters 821:. Immediately across the state line, US 51 continues into the 1971:
Eastern terminus of LA 1063; northern terminus of LA 1065
532:, US 51 splits from the interstate in the neighboring city of 3043:
American Association of State Highway and Transportation Officials
2858: 2822: 2730: 2697: 2175: 2087: 1880: 1848: 1610: 1297: 1127:. The entire route of US 51 in Louisiana was paved by 1938. 1014: 770:(Oak Street) in the center of town leads to I-55 and the towns of 2555:
with I-55, US 51 Bus. turns back to the north opposite the
2475: 43: 3750:
Louisiana Department of Transportation and Development (1983).
3735:
Louisiana Department of Transportation and Development (1981).
1495: 3806:
Special Committee on U.S. Route Numbering (October 11, 1985).
856:
in the state-designated system of tourist routes known as the
793:, US 51 has a 3-mile-long (4.8 km) concurrency with 597:, an unincorporated community located on the east bank of the 3600:"New Pass Manchac Bridge to be Opened to Full Traffic Soon". 2934:
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
2434:
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
674:
begins and splits off straight ahead into the small city of
505:
on a 22-mile-long (35 km) twin-span viaduct across the
876:. It was the main traffic route connecting New Orleans to 585:
From the south, US 51 begins at an intersection with
4056:
Transportation in St. John the Baptist Parish, Louisiana
3984:, Louisiana Department of Transportation and Development 715:(West University Avenue) connects the route with nearby 3959: 3954: 2929:
Northern terminus; north end of US 190 concurrency
493:
After heading north through LaPlace to a junction with
3017:
Louisiana Department of Transportation and Development
2928: 2844: 2769: 2719: 2599:
Louisiana Department of Transportation and Development
2214: 2173: 2109: 2085: 1915: 1878: 1867: 1846: 1632: 1607: 1342: 1294: 843:
Louisiana Department of Transportation and Development
2839:
east (East Morris Street, East Thomas Street) â€“
3504:"Lake Shore Link to be Abandoned, Allen Announces". 1023:
The connection to New Orleans was made by following
536:. For the remainder of its journey in southeastern 3519:"Engineers Study Rail, Automobile Spillway Spans". 3374:"Syndicate Plans Residence Park Along Lake Shore". 2507: 2499: 2491: 2464: 1498: 1492: 958: 950: 931: 911: 314: 296: 286: 276: 271: 244: 142: 123: 118: 91: 83: 75: 62: 39: 27:
Section of U.S. Highway in Louisiana, United States
3635:Louisiana Department of Highways (December 1960). 3404:"Orleans-Hammond Highway Bridges Bids Requested". 3552:Louisiana Department of Highways (July 1, 1955). 3354: 3352: 3341:Louisiana Department of Highways (July 1, 1953). 3973:Template:Attached KML/U.S. Route 51 in Louisiana 2566:Shortly afterward, the highway passes through a 789:, located just north of the neighboring town of 657:. The area flanking the pass, generally called 3791:"New Section of U.S. 51 to be Opened June 19". 3389:"Road Triumphs Over Swamps as Dredges Attack". 3304:American Association of State Highway Officials 1091:American Association of State Highway Officials 978: 797:, another connection to Franklinton as well as 4061:Transportation in Tangipahoa Parish, Louisiana 3702:(Report). National Park Service. pp. 5–6 3684:. New Orleans. August 23, 1973. sec. 3, p. 6. 3393:. New Orleans. August 10, 1924. sec. 4, p. 1. 1172:Note: Exit numbers reflect I-55 mileage only. 8: 3619:. New Orleans. October 12, 1969. p. 36. 3493:. New Orleans. March 18, 1926. pt. 2, p. 15. 3469: 3467: 3465: 3463: 3456:. New Orleans. March 20, 1927. sec. 4, p. 9. 3363:. Baton Rouge. November 29, 1921. p. 9. 470:that spans 1,277 miles (2,055 km) from 3720:"Completion of I-55 Officially Dedicated". 3654:. New Orleans. May 20, 1970. sec. 1, p. 10. 3630: 3628: 3626: 3547: 3545: 3523:. New Orleans. August 30, 1928. p. 12. 3508:. New Orleans. January 27, 1929. p. 1. 3336: 3334: 3315: 3313: 3294: 3292: 3210: 3208: 3179: 3177: 3175: 3173: 3171: 750:connects to I-55 as well as points such as 3996: 3795:. New Orleans. June 11, 1985. p. A13. 3724:. New Orleans. May 26, 1979. sec. 1, p. 2. 3604:. New Orleans. August 15, 1957. p. 1. 3378:. New Orleans. October 9, 1924. p. 9. 3243: 3241: 3239: 3142: 3140: 3138: 3136: 3134: 3132: 3130: 3007: 3005: 3003: 3001: 2999: 2997: 2625: 1175: 417: 379: 3976: 3904: 3902: 3900: 3889:Louisiana Department of Highways (1957). 3538:. New Orleans. July 23, 1939. p. 12. 3536:The Times-Picayune/The New Orleans States 3419:"Hammond-N.O. Road Opened by Berry Men". 3408:. New Orleans. June 19, 1924. p. 12. 3080:"Overview Map of US 51 in Louisiana" 3669:. New Orleans. March 1, 1972. p. 6. 3423:. New Orleans. April 1, 1927. p. 1. 884:in the days before the existence of the 528:served by the highway's only designated 3837:"Right-Sizing the State Highway System" 3074: 3072: 3070: 3068: 3066: 3064: 3062: 3060: 2993: 972:, one of the original 98 routes in the 722:After passing through the community of 2845:South end of US 190 concurrency; 2461: 908: 57:Route of US 51 highlighted in red 36: 3910:"Overview Map of US 51 Business" 3569:The Times-Picayune New Orleans States 2852: 2812: 2789: 2779: 2724: 2691: 2658: 2648: 2597:US 51 Bus. is classified by the 2403: 2395: 2368: 2360: 2331: 2323: 2284: 2276: 2232: 2224: 2167: 2122: 2114: 2079: 2035: 2027: 1983: 1975: 1933: 1925: 1872: 1840: 1820: 1812: 1772: 1764: 1740: 1732: 1677: 1669: 1645: 1637: 1597: 1570: 1557: 1519: 1506: 1482: 1471: 1465: 1453: 1440: 1422: 1412: 1382: 1369: 1356: 1350: 1284: 1258: 1246: 1219: 1211: 605:. US 61 parallels the route of 468:United States Numbered Highway System 324:United States Numbered Highway System 79:69.116 mi (111.231 km) 7: 3766:"10 Longest Bridges to Drive Across" 3554:Louisiana Highways: Interim Road Map 3478:. Kenner: Justin F. Bordenave. 1945. 1916:North end of LA 442 concurrency 1868:South end of LA 442 concurrency 1728:Northern terminus of US 51 Bus. 1548:Southern terminus of US 51 Bus. 690:, the largest city along its route. 509:. The bridge, which passes between 3534:"Highway routing numbers changed". 2877:US 51 (Morrison Boulevard) to 2770:North end of LA 22 concurrency 2720:South end of LA 22 concurrency 2503:8.814 mi (14.185 km) 2215:North end of LA 10 concurrency 2110:South end of LA 10 concurrency 1047:that included two ferry crossings. 730:and begins to follow alongside the 726:, US 51 enters the village of 3808:"Route Numbering Committee Agenda" 3793:The Times-Picayune/The States-Item 3359:"Act No. 95, House Bill No. 206". 2682:Southern terminus; exit 23 on I-55 2610:1955 Louisiana Highway renumbering 1106:Improvements and alignment changes 1100:1955 Louisiana Highway renumbering 986:1921 legislative route description 25: 3665:"La. Road Funds Sought for '72". 3218:Tangipahoa Parish (North Section) 3187:Tangipahoa Parish (South Section) 2388:Northern terminus of LA 1054 2351:Southern terminus of LA 1053 1802:Southeastern Louisiana University 1147:of I-55/US 51 (known as the 954:71.3 mi (114.7 km) 717:Southeastern Louisiana University 694:Hammond to Mississippi state line 4066:1926 establishments in Louisiana 4000: 3321:Louisiana Department of Highways 2976: 2964: 2910: 2904: 2897: 2891: 2871: 2865: 2859: 2830: 2824: 2790: 2751: 2745: 2738: 2732: 2705: 2699: 2664: 2659: 2474: 2467: 2411: 2405: 2376: 2370: 2339: 2333: 2297: 2291: 2285: 2245: 2239: 2233: 2196: 2190: 2183: 2177: 2158:Eastern terminus of LA 1048 2143: 2137: 2130: 2124: 2095: 2089: 2048: 2042: 2036: 1996: 1990: 1984: 1959: 1953: 1941: 1935: 1901: 1895: 1888: 1882: 1856: 1850: 1821: 1785: 1779: 1773: 1748: 1742: 1709: 1703: 1697: 1691: 1685: 1679: 1665:Eastern terminus of LA 1040 1653: 1647: 1618: 1612: 1571: 1533: 1527: 1521: 1324: 1318: 1312: 1305: 1299: 1259: 1220: 1095:Louisiana Department of Highways 914: 896:to construct a road through the 441: 423: 400: 385: 248: 226: 212: 201: 187: 173: 162: 151: 127: 100: 42: 3680:"I-55 Hearing Slated Sept. 5". 3277:. Louisiana Scenic Byways. 2016 2714:east (East Pine Street) â€“ 1071:Great Mississippi Flood of 1927 670:the northwest at exit 23 while 3650:"Rail, Highway Work Planned". 3476:Jefferson Parish Yearly Review 3439:Clason's Road Map of Louisiana 349:Louisiana State Highway System 1: 3615:"Pass Manchac Bridge Burns". 2919:west (West Thomas Street) to 2576:New Orleans metropolitan area 1633:North end of I-55 concurrency 974:pre-1955 state highway system 837:Route classification and data 705:New Orleans metropolitan area 552:line, including the towns of 519:New Orleans metropolitan area 3474:"Metairie Plans a Seawall". 3452:"New Highway Cuts Mileage". 3039:"U.S. Route Number Database" 2532:, two neighboring cities in 1794:(West University Avenue) to 894:Louisiana Highway Commission 874:numbered U.S. Highway system 781:Between two points known as 3109:St. John the Baptist Parish 2760:west (West Pine Street) to 2574:, a northern bypass of the 1098:part of Route 33 until the 905:New Orleans–Hammond Highway 703:, a northern bypass of the 634:. This twin-span concrete 603:St. John the Baptist Parish 4082: 4046:U.S. Highways in Louisiana 3990:at Louisiana Scenic Byways 3571:. New Orleans. p. 11. 3441:(Map). Clason Map Company. 2672: / US 51 â€“ 1430: 29: 4023: 4018: 4011: 3999: 2933: 2855: 2817: 2807: 2784: 2774: 2727: 2694: 2686: 2681: 2653: 2645: 2640: 2637: 2634: 2631: 2628: 2619:The entire highway is in 2561:North Oaks Medical Center 2545:Canadian National Railway 2487: 2433: 2425: 2401: 2398: 2392: 2387: 2366: 2363: 2355: 2350: 2329: 2326: 2319: 2282: 2279: 2271: 2267: 2230: 2227: 2219: 2170: 2162: 2157: 2120: 2117: 2082: 2074: 2070: 2033: 2030: 2022: 2018: 1981: 1978: 1970: 1931: 1928: 1920: 1875: 1843: 1835: 1831: 1818: 1815: 1807: 1799: 1770: 1767: 1760: 1738: 1735: 1727: 1675: 1672: 1664: 1643: 1640: 1602: 1592: 1588: 1567: 1562: 1552: 1547: 1516: 1511: 1503: 1487: 1479: 1468: 1462: 1458: 1450: 1445: 1435: 1417: 1402: 1391: 1387: 1379: 1374: 1364: 1353: 1347: 1289: 1281: 1276: 1256: 1251: 1241: 1217: 1214: 1206: 1201: 1196: 1193: 1190: 1187: 1184: 1181: 1178: 927: 886:Interstate Highway System 732:Canadian National Railway 550:Canadian National Railway 416: 378: 319: 310: 267: 67: 55: 3982:Maps / GIS Data Homepage 3752:Louisiana: A Dream State 2971:United States portal 2940:     2518:U.S. Highway 51 Business 2481:U.S. Highway 51 Business 2440:     1722:(West Thomas Street) to 997:Pontchartrain Expressway 823:Pike County, Mississippi 18:Louisiana State Route 33 3695:Mitchell, Rick (2017). 3306:. 1927. pp. 22–23. 3275:"Southern Swamps Byway" 3013:"La DOTD GIS Data" 858:Louisiana Scenic Byways 682:at exit 26 connects to 2553:cloverleaf interchange 1950:west (West 5th Street) 1758:via West Church Street 1020: 989: 817:, in an area known as 680:cloverleaf interchange 665:on the south side and 106:Louisiana Scenic Byway 3988:Southern Swamps Byway 3587:Road Map of Louisiana 3323:(September 1, 1951). 2983:U.S. Roads portal 2057:(West Oak Street) to 1066:Bonnet CarrĂŠ Spillway 1018: 854:Southern Swamps Byway 111:Southern Swamps Byway 4012:Previous state: 3977:KML is from Wikidata 3421:The New Orleans Item 3406:The New Orleans Item 2557:Ponchatoula Cemetery 1968:south (Tiger Avenue) 1474:Manchac Swamp Bridge 1393:St. John the Baptist 1359:Manchac Swamp Bridge 1230:West Airline Highway 1203:St. John the Baptist 1149:Manchac Swamp Bridge 878:Jackson, Mississippi 640:Manchac Swamp Bridge 591:West Airline Highway 572:could be completed. 542:Jackson, Mississippi 501:, the highway joins 486:state line north of 474:to a point north of 301:St. John the Baptist 260:state line north of 3255:on October 16, 2013 2616:Major intersections 2568:diamond interchange 2495:Ponchatoula–Hammond 2254:(Center Street) to 1662:west (Chauvin Road) 1167:Major intersections 619:diamond interchange 548:situated along the 511:Lakes Pontchartrain 466:) is a part of the 144:Major intersections 3722:The Times-Picayune 3682:The Times-Picayune 3652:The Times-Picayune 3617:The Times-Picayune 3602:The Times-Picayune 3521:The Times-Picayune 3506:The Times-Picayune 3491:The Times-Picayune 3454:The Times-Picayune 3435:Clason Map Company 3391:The Times-Picayune 3376:The Times-Picayune 3343:Louisiana Highways 3325:Louisiana Highways 3249:"La DOTD GIS" 1021: 882:Memphis, Tennessee 628:Lake Pontchartrain 581:LaPlace to Hammond 570:St. Charles Parish 482:in LaPlace to the 472:LaPlace, Louisiana 4034: 4033: 3936:Tangipahoa Parish 3823:Wikimedia Commons 2955: 2954: 2621:Tangipahoa Parish 2534:Tangipahoa Parish 2515: 2514: 2455: 2454: 1242:Southern terminus 1083:17th Street Canal 1033:Jefferson Highway 966: 965: 655:Tangipahoa Parish 599:Mississippi River 576:Route description 546:Tangipahoa Parish 476:Hurley, Wisconsin 457: 456: 453: 452: 412: 411: 63:Route information 16:(Redirected from 4073: 4024:Next state: 4004: 4003: 3997: 3967: 3940: 3939: 3931: 3925: 3924: 3922: 3920: 3906: 3895: 3894: 3886: 3880: 3879: 3877: 3875: 3869: 3858: 3852: 3851: 3849: 3847: 3841: 3833: 3827: 3826: 3820: 3818: 3812: 3803: 3797: 3796: 3788: 3782: 3781: 3779: 3777: 3772:. April 29, 2013 3762: 3756: 3755: 3747: 3741: 3740: 3732: 3726: 3725: 3717: 3711: 3710: 3708: 3707: 3701: 3692: 3686: 3685: 3677: 3671: 3670: 3662: 3656: 3655: 3647: 3641: 3640: 3632: 3621: 3620: 3612: 3606: 3605: 3597: 3591: 3590: 3579: 3573: 3572: 3564: 3558: 3557: 3549: 3540: 3539: 3531: 3525: 3524: 3516: 3510: 3509: 3501: 3495: 3494: 3486: 3480: 3479: 3471: 3458: 3457: 3449: 3443: 3442: 3431: 3425: 3424: 3416: 3410: 3409: 3401: 3395: 3394: 3386: 3380: 3379: 3371: 3365: 3364: 3356: 3347: 3346: 3338: 3329: 3328: 3317: 3308: 3307: 3296: 3287: 3286: 3284: 3282: 3271: 3265: 3264: 3262: 3260: 3245: 3234: 3233: 3231: 3229: 3223: 3212: 3203: 3202: 3200: 3198: 3192: 3181: 3166: 3165: 3163: 3161: 3155: 3144: 3125: 3124: 3122: 3120: 3114: 3103: 3097: 3096: 3094: 3092: 3076: 3055: 3054: 3052: 3050: 3035: 3029: 3028: 3026: 3024: 3019:. September 2015 3009: 2981: 2980: 2979: 2969: 2968: 2967: 2948: 2941: 2915: 2914: 2913: 2908: 2907: 2902: 2901: 2900: 2895: 2894: 2876: 2875: 2874: 2869: 2868: 2863: 2862: 2835: 2834: 2833: 2828: 2827: 2794: 2793: 2756: 2755: 2754: 2749: 2748: 2743: 2742: 2741: 2736: 2735: 2710: 2709: 2708: 2703: 2702: 2668: 2667: 2663: 2662: 2626: 2578:connecting with 2478: 2471: 2462: 2448: 2441: 2426:Continuation in 2416: 2415: 2414: 2409: 2408: 2381: 2380: 2379: 2374: 2373: 2344: 2343: 2342: 2337: 2336: 2302: 2301: 2300: 2295: 2294: 2289: 2288: 2250: 2249: 2248: 2243: 2242: 2237: 2236: 2201: 2200: 2199: 2194: 2193: 2188: 2187: 2186: 2181: 2180: 2148: 2147: 2146: 2141: 2140: 2135: 2134: 2133: 2128: 2127: 2100: 2099: 2098: 2093: 2092: 2053: 2052: 2051: 2046: 2045: 2040: 2039: 2005:(3rd Street) to 2001: 2000: 1999: 1994: 1993: 1988: 1987: 1964: 1963: 1962: 1957: 1956: 1946: 1945: 1944: 1939: 1938: 1906: 1905: 1904: 1899: 1898: 1893: 1892: 1891: 1886: 1885: 1861: 1860: 1859: 1854: 1853: 1829:(Natalbany Road) 1825: 1824: 1790: 1789: 1788: 1783: 1782: 1777: 1776: 1753: 1752: 1751: 1746: 1745: 1714: 1713: 1712: 1707: 1706: 1701: 1700: 1696: 1695: 1694: 1689: 1688: 1683: 1682: 1658: 1657: 1656: 1651: 1650: 1623: 1622: 1621: 1616: 1615: 1575: 1574: 1538: 1537: 1536: 1531: 1530: 1525: 1524: 1329: 1328: 1327: 1322: 1321: 1316: 1315: 1310: 1309: 1308: 1303: 1302: 1277:Exit 209 on I-10 1263: 1262: 1224: 1223: 1176: 1113:State Route 1094 987: 918: 909: 805:before entering 803:of the same name 638:is known as the 449: 445: 444: 431: 427: 426: 418: 408: 404: 403: 393: 389: 388: 380: 252: 251: 230: 229: 216: 215: 205: 204: 191: 190: 177: 176: 170:north of LaPlace 166: 165: 155: 154: 145: 131: 130: 104: 103: 46: 37: 21: 4081: 4080: 4076: 4075: 4074: 4072: 4071: 4070: 4036: 4035: 4025: 4013: 4001: 3994: 3978: 3975: 3970: 3969: 3968: 3952: 3948: 3943: 3933: 3932: 3928: 3918: 3916: 3908: 3907: 3898: 3888: 3887: 3883: 3873: 3871: 3867: 3860: 3859: 3855: 3845: 3843: 3839: 3835: 3834: 3830: 3816: 3814: 3810: 3805: 3804: 3800: 3790: 3789: 3785: 3775: 3773: 3764: 3763: 3759: 3749: 3748: 3744: 3734: 3733: 3729: 3719: 3718: 3714: 3705: 3703: 3699: 3694: 3693: 3689: 3679: 3678: 3674: 3667:The States-Item 3664: 3663: 3659: 3649: 3648: 3644: 3634: 3633: 3624: 3614: 3613: 3609: 3599: 3598: 3594: 3581: 3580: 3576: 3566: 3565: 3561: 3551: 3550: 3543: 3533: 3532: 3528: 3518: 3517: 3513: 3503: 3502: 3498: 3488: 3487: 3483: 3473: 3472: 3461: 3451: 3450: 3446: 3433: 3432: 3428: 3418: 3417: 3413: 3403: 3402: 3398: 3388: 3387: 3383: 3373: 3372: 3368: 3358: 3357: 3350: 3340: 3339: 3332: 3319: 3318: 3311: 3298: 3297: 3290: 3280: 3278: 3273: 3272: 3268: 3258: 3256: 3247: 3246: 3237: 3227: 3225: 3221: 3214: 3213: 3206: 3196: 3194: 3190: 3183: 3182: 3169: 3159: 3157: 3153: 3146: 3145: 3128: 3118: 3116: 3112: 3105: 3104: 3100: 3090: 3088: 3078: 3077: 3058: 3048: 3046: 3045:. December 2009 3037: 3036: 3032: 3022: 3020: 3011: 3010: 2995: 2991: 2977: 2975: 2965: 2963: 2960: 2951: 2943: 2939: 2935: 2911: 2909: 2905: 2903: 2898: 2896: 2892: 2890: 2889: 2872: 2870: 2866: 2864: 2860: 2831: 2829: 2825: 2823: 2819: 2814: 2808:Exit 40 on I-12 2791: 2786: 2781: 2752: 2750: 2746: 2744: 2739: 2737: 2733: 2731: 2706: 2704: 2700: 2698: 2665: 2660: 2655: 2650: 2618: 2522:US 51 Bus. 2483: 2482: 2479: 2472: 2460: 2451: 2443: 2439: 2435: 2412: 2410: 2406: 2404: 2377: 2375: 2371: 2369: 2340: 2338: 2334: 2332: 2298: 2296: 2292: 2290: 2286: 2246: 2244: 2240: 2238: 2234: 2197: 2195: 2191: 2189: 2184: 2182: 2178: 2176: 2144: 2142: 2138: 2136: 2131: 2129: 2125: 2123: 2096: 2094: 2090: 2088: 2049: 2047: 2043: 2041: 2037: 1997: 1995: 1991: 1989: 1985: 1960: 1958: 1954: 1952: 1951: 1942: 1940: 1936: 1934: 1902: 1900: 1896: 1894: 1889: 1887: 1883: 1881: 1857: 1855: 1851: 1849: 1822: 1786: 1784: 1780: 1778: 1774: 1749: 1747: 1743: 1741: 1716:US 51 Bus. 1710: 1708: 1704: 1702: 1698: 1692: 1690: 1686: 1684: 1680: 1678: 1654: 1652: 1648: 1646: 1619: 1617: 1613: 1611: 1604: 1599: 1572: 1564: 1559: 1540:US 51 Bus. 1534: 1532: 1528: 1526: 1522: 1520: 1513: 1508: 1489: 1484: 1447: 1442: 1419: 1414: 1399: 1376: 1371: 1325: 1323: 1319: 1317: 1313: 1311: 1306: 1304: 1300: 1298: 1291: 1286: 1260: 1253: 1248: 1221: 1169: 1160: 1108: 1062:Airline Highway 1053: 1005: 988: 985: 923: 922: 919: 907: 870: 839: 696: 672:US 51 Bus. 583: 578: 497:(I-10) west of 460:U.S. Highway 51 442: 440: 424: 422: 401: 399: 386: 384: 249: 240: 227: 213: 202: 188: 174: 163: 152: 143: 128: 119:Major junctions 114: 101: 93: 58: 51: 50: 49:U.S. Highway 51 47: 35: 28: 23: 22: 15: 12: 11: 5: 4079: 4077: 4069: 4068: 4063: 4058: 4053: 4048: 4038: 4037: 4032: 4031: 4022: 4017: 4009: 4008: 3992: 3991: 3985: 3951: 3950: 3949: 3947: 3946:External links 3944: 3942: 3941: 3926: 3896: 3881: 3853: 3828: 3798: 3783: 3757: 3742: 3727: 3712: 3687: 3672: 3657: 3642: 3622: 3607: 3592: 3574: 3559: 3541: 3526: 3511: 3496: 3481: 3459: 3444: 3426: 3411: 3396: 3381: 3366: 3348: 3330: 3309: 3288: 3266: 3235: 3204: 3167: 3126: 3098: 3056: 3030: 2992: 2990: 2987: 2986: 2985: 2973: 2959: 2956: 2953: 2952: 2950: 2949: 2936: 2931: 2930: 2927: 2857: 2854: 2850: 2849: 2843: 2821: 2816: 2810: 2809: 2806: 2788: 2783: 2778: 2772: 2771: 2768: 2729: 2726: 2722: 2721: 2718: 2696: 2693: 2690: 2684: 2683: 2680: 2657: 2652: 2647: 2643: 2642: 2639: 2636: 2633: 2630: 2606:State Route 33 2513: 2512: 2509: 2505: 2504: 2501: 2497: 2496: 2493: 2489: 2488: 2485: 2484: 2480: 2473: 2466: 2465: 2459: 2458:Business route 2456: 2453: 2452: 2450: 2449: 2436: 2431: 2430: 2424: 2402: 2400: 2397: 2394: 2390: 2389: 2386: 2367: 2365: 2362: 2359: 2353: 2352: 2349: 2330: 2328: 2325: 2321: 2320: 2318: 2306:(Avenue G) to 2283: 2281: 2278: 2275: 2269: 2268: 2266: 2231: 2229: 2226: 2223: 2217: 2216: 2213: 2174: 2172: 2169: 2166: 2160: 2159: 2156: 2121: 2119: 2116: 2112: 2111: 2108: 2086: 2084: 2081: 2078: 2072: 2071: 2069: 2034: 2032: 2029: 2026: 2020: 2019: 2017: 1982: 1980: 1977: 1973: 1972: 1969: 1932: 1930: 1927: 1924: 1918: 1917: 1914: 1879: 1877: 1874: 1870: 1869: 1866: 1847: 1845: 1842: 1839: 1833: 1832: 1830: 1819: 1817: 1814: 1811: 1805: 1804: 1798: 1771: 1769: 1766: 1762: 1761: 1759: 1739: 1737: 1734: 1730: 1729: 1726: 1676: 1674: 1671: 1667: 1666: 1663: 1644: 1642: 1639: 1635: 1634: 1631: 1609: 1606: 1601: 1596: 1590: 1589: 1587: 1569: 1566: 1561: 1556: 1550: 1549: 1546: 1518: 1515: 1510: 1505: 1501: 1500: 1497: 1494: 1491: 1486: 1481: 1477: 1476: 1470: 1467: 1464: 1460: 1459: 1457: 1452: 1449: 1444: 1439: 1434: 1428: 1427: 1421: 1416: 1411: 1401: 1389: 1388: 1386: 1381: 1378: 1373: 1368: 1362: 1361: 1355: 1352: 1349: 1345: 1344: 1341: 1296: 1293: 1288: 1283: 1279: 1278: 1275: 1257: 1255: 1250: 1244: 1243: 1240: 1218: 1216: 1213: 1210: 1205: 1199: 1198: 1195: 1192: 1189: 1186: 1183: 1180: 1168: 1165: 1159: 1156: 1107: 1104: 1052: 1049: 1025:State Route 53 1004: 1001: 983: 970:State Route 33 964: 963: 960: 956: 955: 952: 948: 947: 933: 929: 928: 925: 924: 921:State Route 33 920: 913: 912: 906: 903: 869: 866: 838: 835: 695: 692: 582: 579: 577: 574: 530:business route 455: 454: 451: 450: 437: 432: 414: 413: 410: 409: 396: 394: 376: 375: 374: 373: 368: 363: 358: 352: 351: 345: 344: 339: 334: 328: 327: 317: 316: 315:Highway system 312: 311: 308: 307: 298: 294: 293: 288: 284: 283: 278: 274: 273: 269: 268: 265: 264: 246: 245:North end 242: 241: 239: 238: 224: 210: 199: 185: 171: 160: 148: 146: 140: 139: 125: 124:South end 121: 120: 116: 115: 113: 112: 109: 97: 95: 89: 88: 85: 81: 80: 77: 73: 72: 70:Louisiana DOTD 68:Maintained by 65: 64: 60: 59: 56: 53: 52: 48: 41: 40: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 4078: 4067: 4064: 4062: 4059: 4057: 4054: 4052: 4051:U.S. Route 51 4049: 4047: 4044: 4043: 4041: 4030: 4029: 4021: 4016: 4010: 4007: 4006:U.S. Route 51 3998: 3995: 3989: 3986: 3983: 3980: 3979: 3974: 3965: 3961: 3957: 3956: 3945: 3937: 3930: 3927: 3915: 3911: 3905: 3903: 3901: 3897: 3892: 3885: 3882: 3866: 3865: 3857: 3854: 3838: 3832: 3829: 3824: 3809: 3802: 3799: 3794: 3787: 3784: 3771: 3767: 3761: 3758: 3753: 3746: 3743: 3738: 3731: 3728: 3723: 3716: 3713: 3698: 3691: 3688: 3683: 3676: 3673: 3668: 3661: 3658: 3653: 3646: 3643: 3638: 3631: 3629: 3627: 3623: 3618: 3611: 3608: 3603: 3596: 3593: 3588: 3584: 3578: 3575: 3570: 3563: 3560: 3555: 3548: 3546: 3542: 3537: 3530: 3527: 3522: 3515: 3512: 3507: 3500: 3497: 3492: 3485: 3482: 3477: 3470: 3468: 3466: 3464: 3460: 3455: 3448: 3445: 3440: 3436: 3430: 3427: 3422: 3415: 3412: 3407: 3400: 3397: 3392: 3385: 3382: 3377: 3370: 3367: 3362: 3355: 3353: 3349: 3344: 3337: 3335: 3331: 3326: 3322: 3316: 3314: 3310: 3305: 3301: 3295: 3293: 3289: 3276: 3270: 3267: 3254: 3250: 3244: 3242: 3240: 3236: 3220: 3219: 3211: 3209: 3205: 3189: 3188: 3180: 3178: 3176: 3174: 3172: 3168: 3152: 3151: 3143: 3141: 3139: 3137: 3135: 3133: 3131: 3127: 3111: 3110: 3102: 3099: 3087: 3086: 3081: 3075: 3073: 3071: 3069: 3067: 3065: 3063: 3061: 3057: 3044: 3040: 3034: 3031: 3018: 3014: 3008: 3006: 3004: 3002: 3000: 2998: 2994: 2988: 2984: 2974: 2972: 2962: 2961: 2957: 2946: 2938: 2937: 2932: 2926: 2922: 2918: 2888: 2884: 2880: 2851: 2848: 2842: 2838: 2811: 2805: 2801: 2797: 2777: 2773: 2767: 2763: 2759: 2723: 2717: 2713: 2689: 2685: 2679: 2675: 2671: 2644: 2627: 2624: 2622: 2617: 2613: 2611: 2607: 2602: 2600: 2595: 2593: 2589: 2585: 2581: 2577: 2573: 2569: 2564: 2562: 2558: 2554: 2550: 2546: 2542: 2537: 2535: 2531: 2527: 2523: 2519: 2510: 2506: 2502: 2498: 2494: 2490: 2486: 2477: 2470: 2463: 2457: 2446: 2438: 2437: 2432: 2429: 2423: 2420:north â€“ 2419: 2391: 2384: 2358: 2354: 2347: 2322: 2317: 2313: 2309: 2305: 2274: 2270: 2265: 2261: 2257: 2253: 2222: 2218: 2212: 2208: 2204: 2165: 2161: 2155: 2151: 2113: 2107: 2103: 2077: 2073: 2068: 2064: 2060: 2056: 2025: 2021: 2016: 2012: 2008: 2004: 1974: 1967: 1949: 1923: 1919: 1913: 1909: 1871: 1864: 1838: 1834: 1828: 1810: 1806: 1803: 1797: 1793: 1763: 1757: 1731: 1725: 1721: 1718:south / 1717: 1668: 1661: 1636: 1630: 1627:north â€“ 1626: 1595: 1591: 1586: 1582: 1578: 1555: 1551: 1545: 1542:north â€“ 1541: 1502: 1496:Frontage Road 1478: 1475: 1472:North end of 1461: 1456: 1438: 1433: 1429: 1426: 1409: 1405: 1398: 1394: 1390: 1385: 1367: 1363: 1360: 1357:South end of 1346: 1340: 1336: 1332: 1280: 1274: 1270: 1266: 1245: 1239: 1235: 1231: 1227: 1209: 1204: 1200: 1177: 1174: 1173: 1166: 1164: 1157: 1155: 1152: 1150: 1144: 1141: 1136: 1132: 1128: 1126: 1122: 1118: 1114: 1105: 1103: 1101: 1096: 1092: 1087: 1084: 1080: 1074: 1072: 1067: 1063: 1058: 1050: 1048: 1046: 1042: 1038: 1034: 1030: 1029:State Route 1 1026: 1017: 1013: 1010: 1002: 1000: 998: 994: 982: 977: 975: 971: 961: 957: 953: 949: 945: 941: 937: 934: 930: 926: 917: 910: 904: 902: 899: 895: 891: 887: 883: 879: 875: 867: 865: 863: 859: 855: 850: 846: 844: 836: 834: 832: 828: 824: 820: 816: 812: 808: 804: 800: 796: 792: 788: 784: 779: 777: 773: 769: 765: 761: 757: 753: 749: 745: 741: 737: 733: 729: 725: 720: 718: 714: 710: 706: 702: 693: 691: 689: 685: 681: 677: 673: 668: 664: 660: 656: 652: 647: 645: 641: 637: 633: 632:Lake Maurepas 629: 624: 620: 616: 612: 608: 604: 600: 596: 592: 588: 580: 575: 573: 571: 565: 563: 559: 555: 551: 547: 543: 539: 535: 531: 527: 522: 520: 516: 512: 508: 507:Manchac Swamp 504: 500: 496: 495:Interstate 10 491: 489: 485: 481: 477: 473: 469: 465: 461: 448: 438: 436: 433: 430: 420: 419: 415: 407: 397: 395: 392: 382: 381: 377: 372: 369: 367: 364: 362: 359: 357: 354: 353: 350: 347: 346: 343: 340: 338: 335: 333: 330: 329: 326: 325: 321: 320: 318: 313: 309: 306: 302: 299: 295: 292: 289: 285: 282: 281:United States 279: 275: 270: 266: 263: 259: 255: 247: 243: 237: 233: 225: 223: 219: 211: 208: 200: 198: 194: 186: 184: 180: 172: 169: 161: 158: 150: 149: 147: 141: 138: 134: 126: 122: 117: 110: 107: 99: 98: 96: 90: 86: 82: 78: 74: 71: 66: 61: 54: 45: 38: 33: 32:U.S. Route 51 19: 4026: 4019: 4014: 3993: 3953: 3935: 3929: 3917:. Retrieved 3913: 3890: 3884: 3872:. Retrieved 3863: 3856: 3844:. Retrieved 3831: 3821:– via 3815:. Retrieved 3801: 3792: 3786: 3774:. Retrieved 3769: 3760: 3751: 3745: 3736: 3730: 3721: 3715: 3704:. Retrieved 3690: 3681: 3675: 3666: 3660: 3651: 3645: 3636: 3616: 3610: 3601: 3595: 3586: 3577: 3568: 3562: 3553: 3535: 3529: 3520: 3514: 3505: 3499: 3490: 3484: 3475: 3453: 3447: 3438: 3429: 3420: 3414: 3405: 3399: 3390: 3384: 3375: 3369: 3360: 3342: 3324: 3299: 3279:. Retrieved 3269: 3257:. Retrieved 3253:the original 3226:. Retrieved 3217: 3195:. Retrieved 3186: 3158:. Retrieved 3149: 3117:. Retrieved 3108: 3101: 3089:. Retrieved 3083: 3047:. Retrieved 3033: 3021:. Retrieved 2942:   2847:one-way pair 2716:Madisonville 2638:Destinations 2615: 2614: 2605: 2603: 2596: 2588:one-way pair 2565: 2538: 2521: 2517: 2516: 2511:1960–present 2442:   2383:LA 1054 2346:LA 1053 2264:Spring Creek 2150:LA 1048 2104:east â€“ 1966:LA 1065 1948:LA 1063 1922:Independence 1827:LA 1064 1792:LA 3234 1660:LA 1040 1425:Pass Manchac 1423:Bridge over 1337:west â€“ 1194:Destinations 1171: 1170: 1161: 1153: 1145: 1137: 1133: 1129: 1125:LA 1049 1121:LA 1051 1117:LA 1050 1109: 1088: 1075: 1054: 1051:Cancellation 1022: 1006: 1003:Construction 990: 979: 969: 967: 871: 851: 847: 840: 829:en route to 815:LA 1054 780: 744:Independence 721: 713:LA 3234 697: 651:Pass Manchac 648: 584: 566: 554:Independence 523: 492: 463: 459: 458: 434: 348: 322: 87:1926–present 4028:Mississippi 3914:Google Maps 3583:H.M. Gousha 3361:State-Times 3085:Google Maps 2945:Concurrency 2925:Baton Rouge 2917:US 190 2883:Ponchatoula 2837:US 190 2800:Baton Rouge 2766:Springfield 2688:Ponchatoula 2678:New Orleans 2592:US 190 2580:Baton Rouge 2526:Ponchatoula 2445:Concurrency 2428:Mississippi 2252:LA 440 2106:Franklinton 2067:Franklinton 1908:LA 442 1863:LA 442 1720:US 190 1585:Springfield 1581:Ponchatoula 1554:Ponchatoula 1544:Ponchatoula 1400:parish line 1339:New Orleans 1273:Baton Rouge 1269:New Orleans 1238:Baton Rouge 1234:New Orleans 944:Mississippi 936:New Orleans 772:Franklinton 764:parish seat 740:LA 442 736:Mississippi 709:US 190 676:Ponchatoula 615:Baton Rouge 611:New Orleans 526:Ponchatoula 499:New Orleans 484:Mississippi 258:Mississippi 207:US 190 183:Ponchatoula 4040:Categories 4020:Louisiana 3919:August 23, 3817:August 23, 3706:2024-03-26 3228:August 23, 3197:August 23, 3160:August 23, 3119:August 23, 3091:August 23, 2989:References 2887:Amite City 2758:LA 22 2712:LA 22 2608:until the 2549:LA 22 2418:US 51 2312:Mt. Hermon 2304:LA 38 2260:Chesbrough 2221:Tangipahoa 2211:Greensburg 2203:LA 10 2102:LA 10 2063:Montpelier 2055:LA 16 2024:Amite City 2003:LA 40 1577:LA 22 1432:Tangipahoa 1397:Tangipahoa 1226:US 61 1041:Mandeville 946:state line 890:US 90 811:LA 38 799:Greensburg 795:LA 10 776:Montpelier 768:LA 16 760:Amite City 748:LA 40 684:LA 22 587:US 61 558:Amite City 480:US 61 464:US 51 447:SR 34 435:SR 33 429:SR 32 406:LA 52 391:LA 50 356:Interstate 305:Tangipahoa 254:US 51 232:LA 10 222:Amite City 218:LA 16 209:in Hammond 179:LA 22 159:in LaPlace 133:US 61 3891:Louisiana 3770:USA Today 3737:Louisiana 3637:Louisiana 2841:Covington 1809:Natalbany 1333:south to 1232:) â€“ 1045:Covington 962:1921–1955 898:LaBranche 724:Natalbany 538:Louisiana 291:Louisiana 234:north of 4015:Terminus 3955:KML file 3874:June 11, 3846:July 25, 3585:(1939). 3437:(1928). 3259:July 25, 2958:See also 2947:terminus 2923: â€“ 2881: â€“ 2798: â€“ 2764: â€“ 2629:Location 2492:Location 2447:terminus 2357:Greenlaw 2310: â€“ 2273:Kentwood 2258: â€“ 2209: â€“ 2205:west to 2152:west to 2061: â€“ 2011:Loranger 2009: â€“ 1910:west to 1579: â€“ 1267: â€“ 1182:Location 1079:Bucktown 993:West End 984:—  932:Location 862:Sorrento 825:town of 819:Greenlaw 807:Kentwood 791:Roseland 752:Loranger 746:, where 609:between 562:Kentwood 515:Maurepas 488:Kentwood 297:Parishes 272:Location 262:Kentwood 236:Roseland 3912:(Map). 3281:May 16, 3082:(Map). 3023:July 5, 2818:11.946– 2804:Slidell 2776:Hammond 2674:Hammond 2646:​ 2584:Slidell 2530:Hammond 2508:Existed 2399:111.231 2393:​ 2364:109.308 2327:104.929 2316:Clinton 2280:103.449 1837:Tickfaw 1629:Jackson 1603:50.397– 1598:31.315– 1594:Hammond 1563:46.375– 1558:28.816– 1512:42.492– 1507:26.403– 1504:​ 1488:41.959– 1483:26.072– 1480:​ 1463:​ 1455:Manchac 1446:29.348– 1441:18.236– 1437:Manchac 1418:27.919– 1413:17.348– 1408:Manchac 1404:Ruddock 1384:Ruddock 1375:17.017– 1370:10.574– 1366:Ruddock 1348:​ 1282:​ 1208:LaPlace 1037:Slidell 1009:Frenier 959:Existed 940:Frenier 868:History 728:Tickfaw 688:Hammond 659:Manchac 644:Ruddock 636:trestle 595:Laplace 534:Hammond 342:Divided 337:Special 277:Country 197:Hammond 137:LaPlace 92:Tourist 84:Existed 3776:May 2, 3049:May 2, 2856:14.185 2820:12.057 2813:7.423– 2785:9.106– 2780:5.658– 2654:0.000– 2649:0.000– 2500:Length 2422:McComb 2396:69.116 2361:67.921 2324:65.200 2277:64.280 2228:96.458 2225:59.936 2171:90.912 2168:56.490 2164:Fluker 2118:85.905 2115:53.379 2083:85.606 2080:53.193 2076:Arcola 2031:79.933 2028:49.668 2015:Husser 1979:69.789 1976:43.365 1929:69.358 1926:43.097 1876:62.896 1873:39.082 1844:62.800 1841:39.022 1816:59.391 1813:36.904 1768:56.446 1765:35.074 1736:54.826 1733:34.067 1673:54.418 1670:33.814 1641:54.013 1638:33.562 1605:51.317 1600:31.887 1565:47.376 1560:29.438 1514:43.517 1509:27.040 1490:42.125 1485:26.175 1469:41.727 1466:25.928 1448:30.412 1443:18.897 1420:29.018 1415:18.031 1377:18.084 1372:11.237 1290:5.240– 1285:3.256– 1252:4.622– 1247:2.872– 1179:Parish 1158:Future 1123:, and 1057:Kenner 1043:, and 1031:, the 951:Length 831:McComb 787:Fluker 783:Arcola 762:, the 756:Husser 560:, and 371:Scenic 94:routes 76:Length 3868:(PDF) 3840:(PDF) 3811:(PDF) 3700:(PDF) 3222:(PDF) 3191:(PDF) 3154:(PDF) 3113:(PDF) 2853:8.814 2815:7.492 2787:9.423 2782:5.855 2728:4.665 2725:2.899 2695:3.215 2692:1.998 2656:0.653 2651:0.406 2641:Notes 2570:with 2348:north 1354:6.225 1351:3.868 1292:6.556 1287:4.074 1254:5.007 1249:3.111 1215:0.000 1212:0.000 1197:Notes 827:Osyka 667:Akers 663:Galva 593:) in 524:With 366:State 287:State 3964:help 3960:edit 3921:2015 3876:2017 3848:2013 3819:2015 3778:2017 3283:2017 3261:2013 3230:2015 3199:2015 3162:2015 3121:2015 3093:2015 3051:2017 3025:2016 2921:I-55 2879:I-55 2796:I-12 2762:I-55 2670:I-55 2582:and 2572:I-12 2541:I-55 2528:and 2385:east 2308:I-55 2256:I-55 2207:I-55 2154:I-55 2059:I-55 2007:I-55 1912:I-55 1865:east 1796:I-55 1756:I-55 1724:I-55 1625:I-55 1410:line 1335:I-10 1331:I-55 1265:I-10 1191:Exit 1140:bent 880:and 785:and 774:and 754:and 701:I-12 630:and 623:I-55 613:and 607:I-10 513:and 503:I-55 332:List 193:I-55 168:I-55 157:I-10 1800:To 1754:To 601:in 256:at 220:in 195:in 181:in 135:in 4042:: 3962:• 3899:^ 3768:. 3625:^ 3544:^ 3462:^ 3351:^ 3333:^ 3312:^ 3302:. 3291:^ 3238:^ 3207:^ 3170:^ 3129:^ 3059:^ 3041:. 3015:. 2996:^ 2885:, 2802:, 2676:, 2635:km 2632:mi 2623:. 2563:. 2314:, 2262:, 2065:, 2013:, 1608:28 1583:, 1568:26 1517:23 1493:22 1451:15 1271:, 1236:, 1188:km 1185:mi 1119:, 1039:, 976:. 938:; 864:. 833:. 778:. 564:. 556:, 521:. 490:. 439:→ 421:← 398:→ 383:← 361:US 303:, 3966:) 3958:( 3923:. 3878:. 3850:. 3825:. 3780:. 3709:. 3285:. 3263:. 3232:. 3201:. 3164:. 3123:. 3095:. 3053:. 3027:. 2520:( 1406:– 1395:– 1380:7 1295:1 1228:( 942:– 589:( 462:( 108:: 34:. 20:)

Index

Louisiana State Route 33
U.S. Route 51
U.S. Highway 51 marker
Louisiana DOTD
Louisiana Scenic Byway
US 61
LaPlace
I-10
I-55
LA 22
Ponchatoula
I-55
Hammond
US 190
LA 16
Amite City
LA 10
Roseland
US 51
Mississippi
Kentwood
United States
Louisiana
St. John the Baptist
Tangipahoa
United States Numbered Highway System
List
Special
Divided
Interstate

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