National Steel Bridge Alliance
(I-270) Chain of Rocks Road Canal Bridge
Prize Bridge Information
- Year Awarded: 2016
- Year Completed: 2014
- Location: Granite City, IL
- Award Class: Long Span
- Designer/EOR: HDR Inc
- Fabricator: Stupp Brothers
- Owner: Illinois DOT
- General Contractor: Walsh Construction
- Detailer: Kaskaskia Engineering
Structure Information
- Structure Type: Plate Girder
- Coating System: Weathering Steel
- Span Length (ft): 250/440/490/440/350
- Structure Length (ft): 1970
- Average Deck Width (ft): 94
- Steel Weight/Deck Area (lb/ft²): 110
- Amount of Steel (tons): 10172
- Cost: $104 million