Photos
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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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Triboro Lift Bridge East Tower and Lift Mechanism Viewed from the southwest in March, 2005 (c) 2005 by Michael Minn |
Facts
- Overview
- Vertical lift bridge over Harlem River between Manhattan and Randall's Island in New York
- Location
- New York, New York County, New York
- Status
- Open to six lanes of traffic
- History
- Built 1936; rehabilitated 1967
- Builders
- - Arthur I. Perry
- Gustav Lindenthal
- Othmar Ammann
- 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.
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)
- USGS topographic map
- Central Park
- Inventory numbers
- NY 5521209 (New York State bridge identification number)
BH 26446 (Bridgehunter.com ID) - Inspection (as of 10/2006)
- Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 37.2 (out of 100) - Average daily traffic (as of 2003)
- 80,800
Sources
- Wikipedia
- Michael Minn - bridgehunter [at] michaelminn [dot] com
