Photos
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Side view |
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Oblique view |
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West portal |
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Deck view |
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East approach |
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West approach |
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Deck truss low clearance |
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Underneath deck truss |
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Lower joint |
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Laced girder |
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Aerial photo Photo taken by the U.S. Army Corps of Engineers |
Facts
- Overview
- Through truss bridge over Chain of Rocks Canal on Old Chain of Rocks Road (at one time US 66) just south of I-270 in Granite City
- Location
- Madison County, Illinois
- Status
- Open to one-lane highway traffic with a dedicated bike lane
- History
- Built 1949; rehabilitated 1999
- Design
- Subdivided Warren through truss
- Dimensions
-
Length of largest span: 462.8 ft.
Total length: 2,367.5 ft.
Deck width: 25.9 ft.
Vertical clearance above deck: 16.2 ft.
- Approximate latitude, longitude
- +38.76210, -90.13781 (decimal degrees)
38°45'44" N, 90°08'16" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 15/748692/4294268 (zone/easting/northing)
- USGS topographic map
- Columbia Bottom
- Inventory numbers
- IL 060-0068 (Illinois bridge number)
BH 15499 (Bridgehunter.com ID) - Inspection (as of 08/2007)
- Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Good (7 out of 9)
Sufficiency rating: 72.7 (out of 100) - Average daily traffic (as of 2006)
- 400