Historic Bridges of the U.S. | Great South Bay Bridge

Overview

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Photos

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View from west

All pictures are from around 1998 while the bridge was under construction.

Photo taken by Kent Findley

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View From South

Photo taken by Kent Findley

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View from North

Photo taken by Kent Findley

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View from the west

Photo taken by Kent Findley

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The deck was replaced

Photo taken by Kent Findley

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Facts

Overview: Through truss bridge over Great South Bay on Robert Moses Causeway
Location: Suffolk County, New York
Status: Open to traffic
History: Built 1951
Design: Through truss
Dimensions: Length of largest span: 460.0 ft.
Total length: 10,519.5 ft.
Deck width: 26.6 ft.
Vertical clearance above deck: 16.2 ft.
Recognition: Eligible for the National Register of Historic Places
Approximate latitude, longitude: +40.67056, -73.27083 (decimal degrees)
40°40'14" N, 73°16'15" W (degrees°minutes'seconds")
Inventory numbers: NY 1058811 (New York State bridge identification number)
BH 26885 (Bridgehunter.com ID)
Inspection (as of 12/2004): Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Very Good (8 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 62.8 (out of 100)
Average daily traffic (as of 2004): 16,809

Comments

Great South Bay Bridge

Posted February 12, 2007, by Kent Findley (kent [dot] findley [at] francisalee [dot] com)

The causway spans were replaced with precast concrete in 1997 and the truss and girderspans were rehabilitated in 1997. In the 60s a three lane sister bridge was built alongside to the east.