Photos
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Overview Photo taken by James McCray in August 2007 |
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North Face of Bridge Photo taken by James McCray in August 2007 |
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Closeup of Drawbridge Center Span Photo taken by James McCray in August 2007 |
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Deck View Photo taken by James McCray in August 2007 |
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General View Of Bridge From Michigan Avenue Looking West Photo taken by Historic American Engineering Record |
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View Of Bridge From Southeast Photo taken by Historic American Engineering Record |
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View Of Bridge From Southwest, Looking Northeast Photo taken by Historic American Engineering Record |
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Detail Of South End Of Bridge Photo taken by Historic American Engineering Record |
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Detail Of Bridge Tender's House Photo taken by Historic American Engineering Record |
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View Looking Northwest Showing Counterweight Pit, Rack And Pinion Gear (North Abutment) Photo taken by Historic American Engineering Record |
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View Looking South Showing North Bascule Leaf Framing Photo taken by Historic American Engineering Record |
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View Looking West Showing Main Drive Gear, Rack And Pinion, And S-Girder Photo taken by Historic American Engineering Record |
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East Side Of North Abutment, Drive Mechanism Photo taken by Historic American Engineering Record |
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East Side Of North Abutment-Drive Mechanism, Rack And Pinion Photo taken by Historic American Engineering Record |
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North Abutment Counter Weight Pit Photo taken by Historic American Engineering Record |
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North Abutment Electrical Room Photo taken by Historic American Engineering Record |
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Northwest Bridge Tower Interior View Photo taken by Historic American Engineering Record |
Facts
- Overview
- Bascule bridge over Main Branch Chicago River on Wabash Avenue in Chicago
- Location
- Chicago, Cook County, Illinois
- Status
- Open to traffic
- History
- Built 1930
- Builders
- - Ketler & Elliot Co.
- Thomas Pihlfeldt
- Design
- Bascule Pratt deck truss
- Dimensions
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Length of largest span: 269.0 ft.
Total length: 345.0 ft.
Deck width: 57.0 ft.
- Approximate latitude, longitude
- +41.88861, -87.62694 (decimal degrees)
41°53'19" N, 87°37'37" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 16/447987/4637598 (zone/easting/northing)
- USGS topographic map
- Chicago Loop
- Inventory numbers
- IL 016-6052 (Illinois bridge number)
BH 15173 (Bridgehunter.com ID) - Inspection (as of 10/2007)
- Deck condition rating: Very Good (8 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Fair (5 out of 9)
Sufficiency rating: 78.0 (out of 100) - Average daily traffic (as of 2006)
- 5,800
Sources
- James McCray - jamesinslocomb [at] yahoo [dot] com
- HAER IL-48 - Chicago River Bascule Bridge, Wabash Avenue, Spanning Chicago River at North Wabash Avenue, Chicago, Cook County, IL
- James Baughn - webmaster [at] bridgehunter [dot] com
