Tappan Zee Bridge
Facts
- Overview
- Cantilevered through truss bridge over Hudson River on I-87/I-287/New York State Thruway in South Nyack
- Status
- Open to seven lanes of traffic
- History
- Opened to traffic December 15, 1955
- Design
- Cantilevered through truss
- Dimensions
-
Length of largest span: 601.7 ft.
Total length: 16,015.5 ft.
Deck width: 81.7 ft.
Vertical clearance above deck: 20.5 ft.
- Also called
- The Governor Malcolm Wilson Tappan Zee Bridge (official name)
- Approximate latitude, longitude
- +41.07167, -73.91667 (decimal degrees)
41°04'18" N, 73°55'00" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 18/591011/4547278 (zone/easting/northing)
- USGS topographic map
- Nyack
- Inventory numbers
- NY 5516340 (New York State bridge identification number)
BH 26735 (Bridgehunter.com ID) - Inspection (as of 11/2006)
- Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Sufficiency rating: 46.1 (out of 100) - Average daily traffic (as of 2006)
- 137,773