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Triborough Lift Bridge

New York County, New York
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Photos 

Triboro Lift Bridge

Viewed from the southwest along the East River in March, 2005

(c) 2005 by Michael Minn (michaelminn.com)

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Facts 

Overview
Vertical lift bridge over Harlem River between Manhattan and Randall's Island in New York
Location
New York City, New York County, New York
Status
Open to six lanes of traffic
History
Built 1936; rehabilitated 1967
Builders
- Arthur I. Perry
- Gustav Lindenthal of Brno, Cisleithania, Austro-Hungarian Empire (Now known as Brno, South Moravia, Czech Republic)
- Othmar Ammann of Feuerthalen, Canton of Zürich, Switzerland
Design
Vertical lift Warren through truss. This is the westernmost component of the massive Triboro Bridge complex, which also includes a fixed truss span into the Bronx, a suspension span into Queens and a viaduct across Randalls and Wards Islands to connect the whole thing together.
Dimensions
Length of largest span: 315.0 ft.
Total length: 4,594.4 ft. (0.9 mi.)
Deck width: 69.6 ft.
Vertical clearance above deck: 14.5 ft.
Approximate latitude, longitude
+40.80056, -73.92833   (decimal degrees)
40°48'02" N, 73°55'42" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/590400/4517169 (zone/easting/northing)
Quadrangle map:
Central Park
Inventory numbers
NY 5521209 (New York State bridge identification number)
BH 26446 (Bridgehunter.com ID)
Inspection (as of 11/2014)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Poor (4 out of 9)
Sufficiency rating: 32.0 (out of 100)
Average daily traffic (as of 2011)
85,038

Categories 

Arthur I. Perry (1)
Built 1936 (1,002)
Built during 1930s (10,471)
Flared (406)
Gustav Lindenthal (13)
HAER documented (1,096)
Harlem River (20)
Have street view (21,749)
Movable (2,692)
Navigable waterway (1,997)
New York (3,125)
New York City, New York (268)
 New York County, New York (107)
Open (36,260)
Othmar Ammann (11)
Owned by state (13,478)
Span length 250-500 feet (1,075)
Through truss (12,831)
Toll (129)
Total length over 2500 feet (790)
Truss (29,328)
Vertical lift (410)
Warren through truss (1,434)
Warren truss (5,715)

Update Log 

  • December 8, 2016: New photo from Royce and Bobette Haley
  • August 28, 2013: New photo from Douglas Butler
  • July 15, 2008: New photos from Michael Minn

Sources 

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Comments 

Triborough Lift Bridge
Posted August 4, 2007, by Kevin Wong (R36Redbird [at] yahoo [dot] com)

Accroding to MTA Bridges & Tunnels, approximately ten lifts a year of the Triborough Manhattan Lift Bridge are conducted for maintenance purposes, and to honor requests from the US Coast Guard and various Maritime travelers.