Historic Bridges of the U.S. | New Canal Bridge

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Overview: Pair of cantilevered through truss bridges over Chain of Rocks Canal on I-270 in Granite City
Location: Madison County, Illinois
Status: Open to traffic
History: Built ca. 1963; IDOT has plans for bridge replacement in next 5 years
Design: Cantilevered through truss
Dimensions: Length of largest span: 479.9 ft.
Total length: 1,989.6 ft.
Deck width: 29.8 ft.
Vertical clearance above deck: 17.1 ft.
Approximate latitude, longitude: +38.76627, -90.13483 (decimal degrees)
38°45'59" N, 90°08'05" W (degrees°minutes'seconds")
Inventory numbers: IL 060-0036 (Illinois bridge number)
BH 15498 (Bridgehunter.com ID)
Inspection
Average daily traffic (as of 2006): 75