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Tappan Zee Bridge

Tappan Zee Bridge

General Information

Structural Type: Cantilever truss bridge
Function / usage: Motorway bridge / freeway bridge
Completed in: 1955
Status: in use

Geographic Information & Related Structures

Location: Tarrytown, Westchester County, New York, USA, North America
Nyack, Rockland County, New York, USA, North America
  • Hudson River
Will be replaced by Tappan Zee Bridge (2018)

Technical Information


main span 369.7 m
total length 4 882 m


deck steel

Products, Services & Reports

In so-called “sleeping” mode, LIRIS provides automatic readings at regular intervals. The data that it collects, can be used to check the stabili ...


Structural engineering
Monitoring equipment

Relevant Web Sites

Relevant Publications

Internal Information
Structure-ID: 20000535
Created: 21/11/1999
Last Updated: 29/07/2014