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323:(I-526). Approximately seven miles (11 km) separate the eastern terminus of SC 30 from the eastern terminus of I-526's current extent. Mileage markers and exit numbers on both SC 30 and I-526 are based on an eventual merging of the routes: with miles 1 to 3 occurring on SC 30 and miles 10 to 30 used on the current I-526 route.
664:
In 2021, SCDOT revived the 526-extension project. As of May 2023, they are aiming to start construction by 2025. In
December 2023, the South Carolina Joint Bond Review Committee approved the state's Transportation Infrastructure Bank's action Tuesday afternoon of providing $ 75 million for
489:
The bridge across the Ashley River is named the Robert B. Scarborough Bridge, named for a former state legislator and highway commissioner. The bridge is 2.9 miles (4.7 km) long and cost $ 124.7 million to build. The bridge also crosses Wappoo Creek, which is a part of the
919:
660:
Citing
Charleston County's inability to provide funds to cover the project's increased cost, the State Transportation Infrastructure Bank (SIB) board voted on May 26, 2016, to abandon the proposed extension of I-526 across James and Johns Islands.
616:
The current route was proposed as early as the 1960s to provide a second and more direct connection between James Island and downtown
Charleston. It opened on September 4, 1993, and provided a route off the island that did not require crossing a
641:
was the subject of an environmental study that was completed in early 2014. Various alternative routings and options are being reviewed, but the general plan is to extend south from
1182:
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58:
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653:, where it will connect with SC 30 (possibly renumbering it). Some alternatives shown include the possibility that it will be built in
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in the 1960s, but it was determined that there was not sufficient traffic demand to fund the route and the bridge entirely by
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crossing. Exit 2 has access to Harbor View Road and exit 1 is for the
Herbert U. Fielding Connector (
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432:
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SC 30 begins at SC 171 on James Island at exit 3. The interchange consists of a half-
342:
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1086:"SC Committee approves $ 75 million toward I-526 extension, includes stipulation"
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308:. From there, the highway runs northeast, and has two interchanges south of the
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grade instead, falling short of being labeled an
Interstate Highway.
996:
1049:"S.C. agency moves to walk away from Charleston's I-526 extension"
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SC 30 was reused in 1935 as a renumbering of SC 15 from
851:
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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SC 30 at
Virginia Highways' South Carolina Highways Annex
843:(Spring Street / Savannah Highway) / Lockwood Drive
1140:
1135:
997:"SCDOT - I-526 - Welcome to the Mark Clark Expressway!"
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preliminary costs in the project, which is dubbed the
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1027:Mark Clark Expressway Environmental Impact Study
965:The South Carolina Highway Department, 1917-1987
1154:Template:Attached KML/South Carolina Highway 30
578:, as parts were transferred to US 17 and
1065:. South Carolina Department of Transportation
1029:. South Carolina Department of Transportation
8:
1183:Transportation in Charleston, South Carolina
937:
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899:South Carolina Department of Transportation
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609:. In 1956, this became part of an extended
928:. Cartography by Tele Atlas. Google. 2009.
687:
330:
222:
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942:VanEgeren, Jessica (September 4, 2003).
554:, then northeast on a new route through
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276:) is a 3.050-mile-long (4.908 km)
502:The original SC 30 traveled from
18:
944:"Route Helps Island Connect, Prosper"
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296:(US 17) in downtown Charleston.
7:
319:The route is an orphaned segment of
191:South Carolina State Highway System
1084:Johnson, Emily (5 December 2023).
1063:"The Latest- Mark Clark Extension"
973:University of South Carolina Press
804:Robert B. Scarborough Bridge over
696:
68:3.050 mi (4.908 km)
14:
1178:State highways in South Carolina
865:
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720:
637:The proposed missing section of
586:). The remainder became part of
341:
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24:
820:Lockwood Drive / Calhoun Street
574:. In 1927, it was truncated to
16:State freeway in South Carolina
789:Eastern terminus of SC 61
262:South Carolina Highway 30
1:
691:
621:. The route was studied as a
582:(this segment is now part of
46:SC 30 highlighted in red
963:Moore, John Hammond (1987).
667:Mark Clark Extension Project
406:Robert B. Scarborough Bridge
335:Robert B. Scarborough Bridge
327:Robert B. Scarborough Bridge
999:. SCDOT. September 30, 2010
284:. The freeway travels from
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282:Charleston, South Carolina
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31:South Carolina Highway 30
969:Columbia, South Carolina
895:"Highway Logmile Report"
514:was extended north with
677:The entire route is in
270:James Island Expressway
38:James Island Expressway
475:; 31 years ago
274:James Island Connector
40:James Island Connector
1112:"NationalBridges.com"
872:U.S. roads portal
492:Intracoastal Waterway
397:Intracoastal Waterway
1158:KML is from Wikidata
1110:Svirsky, Alexander.
949:The Post and Courier
920:"SC 30 overview map"
728:(Folly Road) –
268:, also known as the
373:32.7794°N 79.9572°W
369: /
306:diamond interchange
106:Major intersections
526:on a new route to
294:U.S. Route 17
1090:www.live5news.com
856:
855:
683:Charleston County
649:and then east to
566:northeast to the
487:
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480:September 4, 1993
473:September 4, 1993
378:32.7794; -79.9572
300:Route description
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52:Route information
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1115:. Retrieved
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1001:. Retrieved
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947:
923:
914:
904:December 22,
902:. Retrieved
806:Ashley River
783:west –
704:Destinations
676:
666:
663:
659:
651:James Island
647:Johns Island
636:
615:
607:Cross Anchor
592:
556:Society Hill
538:, east with
501:
488:
439:Total length
393:Ashley River
318:
310:Ashley River
303:
290:James Island
273:
269:
265:
261:
260:
189:
76:1996–present
925:Google Maps
846:Interchange
785:Summerville
730:Folly Beach
726:SC 171
599:Watts Mills
595:US 221
588:US 401
548:SC 351
536:Bishopville
530:, replaced
510:. In 1926,
376: /
351:Coordinates
286:SC 171
95:SC 171
1172:Categories
1117:2008-09-08
878:References
841:US 17
781:SC 61
679:Charleston
655:expressway
643:US 17
619:drawbridge
611:SC 49
603:SC 92
584:US 21
580:SC 28
576:Walterboro
564:SC 38
552:Hartsville
540:SC 34
532:SC 42
512:SC 39
504:St. George
433:box girder
364:79°57′26″W
361:32°46′46″N
266:SC 30
249:SC 31
234:US 29
199:Interstate
172:Charleston
132:US 17
116:SC 61
99:Charleston
1069:April 22,
673:Exit list
623:toll road
590:in 1933.
550:north to
534:north to
524:Summerton
516:SC 4
412:ID number
1136:KML file
1095:10 March
859:See also
508:Beaufort
442:3322.3 m
430:concrete
168:Counties
143:Location
1033:May 20,
1025:(Map).
1018:Staff.
1003:May 20,
922:(Map).
498:History
478: (
465:History
389:Crosses
278:freeway
272:or the
148:Country
73:Existed
979:
799:4.336–
794:2.694–
759:3.605–
754:2.240–
633:Future
572:McColl
528:Sumter
520:Santee
470:Opened
460:20.4 m
450:24.4 m
426:Design
214:Scenic
65:Length
1023:(PDF)
830:4.908
827:3.050
815:4.377
812:2.720
801:4.344
796:2.699
761:4.060
756:2.523
741:1.271
738:0.790
715:0.000
712:0.000
707:Notes
639:I-526
627:tolls
605:near
544:Lydia
518:from
447:Width
314:SC 61
209:State
158:State
59:SCDOT
1145:help
1141:edit
1097:2024
1071:2022
1035:2013
1005:2013
977:ISBN
906:2020
701:Exit
395:and
645:to
601:to
597:in
558:to
542:to
522:to
506:to
316:).
292:to
288:on
280:in
97:in
1174::
1143:•
1088:.
971::
967:.
946:.
934:^
897:.
886:^
697:km
692:mi
685:.
681:,
669:.
629:.
613:.
494:.
241:→
226:←
204:US
1147:)
1139:(
1120:.
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1073:.
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1037:.
1007:.
985:.
952:.
908:.
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744:2
482:)
264:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
