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towers on either end. The bridge cost $ 120 million, designed by
Hardesty & Hanover LLP of New York City, is 90 feet (27 m) wide and 270 feet (82 m) long with two 30-foot (9.1 m) tower spans and six 100-foot (30 m)-long approach spans. The lift span weighs almost 6,500,000 pounds (2,900,000 kg) with a total load-to-move of 13,000,000 pounds (5,900,000 kg). It provides a channel with 240 feet (73 m) horizontal clearance and 13 feet (4.0 m) vertical clearance when the span is closed, and an additional 62 feet (19 m) vertical clearance when it is open.
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Securing the bridge's lift piers initially proved difficult because rock elevation and slope differed along the route. To secure the piers, teeth were welded to the tip of 20-in-diameter pile shells that were then drilled into the bedrock. For some piles, an adequate seal was not achieved until the
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270 feet (82 m) long and 92 feet (28 m) wide, a significant improvement from the previous (third) bridge's 117-foot (36 m) channel. The mechanism raises the lift span 62 feet (19 m) with 3,000,000-pound (1,400,000 kg) counterweights on each of the two 150-foot (46 m)
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The first bridge here was erected in 1797 by Isaac
Tomlinson's group to replace profits from their ferry ruined by a new bridge. This 27-foot (8.2 m)-wide covered wooden truss bridge included a draw to allow vessels through. It has also been described as a "wood and sandstone" bridge.
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The second bridge, 1885-1922, was an iron bridge which was never particularly good, having been salvaged from a scrap yard, and not thought well of even before then. By 1913, this bridge was opening 17,000 times a year. Plans for replacement were created during
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with its counterweights in a closed pit underneath, built between 1921 and 1924. It was designed by engineer Ernest W. Wiggin of New Haven in the Beaux-Arts style, based on a bascule design by
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Tomlinson Bridge, Spanning
Quinnipiac River at Forbes Street (U.S. Route 1), New Haven, New Haven County, CT
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List of bridges documented by the
Historic American Engineering Record in Connecticut
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Nicholas J. Altebrando, Thomas A. Duffy, Michael D. Hawkins, Timothy J. Noles
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272:. The Tomlinson Vertical Lift Bridge carries four lanes of traffic across
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570:", 46 photos, 36 data pages, 6 photo caption pages
292:. A sidewalk is present along the southern edge of the bridge.
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The current bridge, the fourth one on this site, is a
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Bridges of the United States
Numbered Highway System
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Historic
American Engineering Record in Connecticut
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629:Vertical lift bridges in the United States
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589:Transportation in New Haven, Connecticut
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614:Road-rail bridges in the United States
375:List of movable bridges in Connecticut
280:that connects the waterfront with the
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564:Historic American Engineering Record
35:Tomlinson Lift Bridge in August 2022
16:Bridge in Connecticut, United States
537:Tomlinson bridge construction notes
278:Providence & Worcester Railroad
103:Providence & Worcester Railroad
624:Steel bridges in the United States
468:"Cianbro Bridges Quinnipiac River"
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639:Providence and Worcester Railroad
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320:The third bridge on-site was a
268:. The bridge forms a segment of
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584:Railroad bridges in Connecticut
470:. Construction Equipment Guide
316:Third bridge, partially raised
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355:The project was part of the
609:Road bridges in Connecticut
206:Hardesty & Hanover, LLP
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342:Philadelphia, Pennsylvania
177:283.5 metres (930 ft)
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193:82.3 metres (270 ft)
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566:(HAER) No. CT-61, "
65:41.298296°N 72.905292°W
338:Phoenix Bridge Company
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266:New Haven, Connecticut
230:1797, 1885, 1924, 2002
185:28 metres (92 ft)
559:at Wikimedia Commons
557:Tomlinson Lift Bridge
415:Tomlinson Lift Bridge
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260:is a crossing of the
258:Tomlinson Lift Bridge
211:Engineering design by
76:Tomlinson Lift Bridge
70:41.298296; -72.905292
23:Tomlinson Lift Bridge
158:Vertical-lift bridge
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326:bascule drawbridge
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282:Northeast Corridor
219:Construction start
555:Media related to
527:HAER data page 13
330:Joseph B. Strauss
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270:U.S. Route 1
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190:Longest span
174:Total length
349:lift bridge
307:World War I
286:Metro North
132:Connecticut
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42:Coordinates
578:Categories
474:16 January
420:Structurae
381:References
105:, sidewalk
74: (
55:72°54′19″W
52:41°17′54″N
322:trunioned
124:New Haven
99:US 1
364:See also
334:Q Bridge
284:line of
246:Location
203:Designer
164:Material
296:History
198:History
143:ConnDOT
110:Crosses
89:Carries
154:Design
120:Locale
182:Width
168:Steel
139:Owner
476:2015
288:and
256:The
222:1922
417:at
340:of
290:CSX
264:in
239:USD
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