Photos
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South Portal Of Bridge Looking East Photo taken by Historic American Engineering Record |
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Detail Of South Portal Photo taken by Historic American Engineering Record |
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Detail Of Truss And Pedestrian Footpath Looking Northwest Photo taken by Historic American Engineering Record |
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North Portal With Bridge Tender's House Photo taken by Historic American Engineering Record |
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Detail Of Lifting Mechanism With Bridge Tender's House In Background Photo taken by Historic American Engineering Record |
Facts
- Overview
- Bascule bridge over Main Branch Chicago River on Franklin Street in Chicago
- Location
- Chicago, Cook County, Illinois
- Status
- Open to traffic
- History
- Built 1920; rehabilitated 2002
- Builders
- - Great Lakes Dredge & Dock Co.
- Ketler & Elliot Co.
- Design
- Bascule Pratt pony truss
- Dimensions
-
Length of largest span: 252.0 ft.
Total length: 319.9 ft.
Deck width: 38.1 ft.
- Approximate latitude, longitude
- +41.88750, -87.63583 (decimal degrees)
41°53'15" N, 87°38'09" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 16/447249/4637481 (zone/easting/northing)
- USGS topographic map
- Chicago Loop
- Inventory numbers
- IL 016-6020 (Illinois bridge number)
BH 15151 (Bridgehunter.com ID) - Inspection (as of 10/2006)
- Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Good (7 out of 9)
Substructure condition rating: Good (7 out of 9)
Sufficiency rating: 76.0 (out of 100) - Average daily traffic (as of 2006)
- 17,000
Sources
- HAER IL-65 - Chicago River Bascule Bridge, Franklin Street, Spanning Chicago River at North Franklin Street, Chicago, Cook County, IL
- James Baughn - webmaster [at] bridgehunter [dot] com