Photos
 |
Overview Photo taken by James McCray in August 2007 |
 |
Oblique View Photo taken by James McCray in August 2007 |
 |
Deck View Photo taken by James McCray in August 2007 |
 |
Closeup of Drawbridge Center Span Photo taken by James McCray in August 2007 |
 |
South West End of Bridge Photo taken by James McCray in August 2007 |
 |
South West Drawbridge Gear Tower Photo taken by James McCray in August 2007 |
 |
Bridge Plaques Photo taken by James McCray in August 2007 |
 |
Distant View Of Bridge Looking Northeast Photo taken by Historic American Engineering Record |
 |
General View Looking Northeast Photo taken by Historic American Engineering Record |
 |
General View Looking Northwest; City Of Chicago Central Office Building (1913) To The Right Photo taken by Historic American Engineering Record |
 |
South End Of Bridge With Bridge Tower And Pedestrian Path, Looking North Photo taken by Historic American Engineering Record |
 |
Detail Of Bridge Tower Seen Through Truss Photo taken by Historic American Engineering Record |
 |
North Portal Photo taken by J.R. Manning in May 2010 |
 |
Barrel Shot Looking South Photo taken by J.R. Manning in May 2010 |
 |
Northeast Quadrant Note the rack gear teeth for the rack and pinion drive gearing. Can't see them? The teeth are just to the right of the pedestrian gate. Photo taken by J.R. Manning in May 2010 |
 |
East Face As seen from the river walk on the north side of the river. Photo taken by J.R. Manning in May 2010 |
 |
West Elevation Photo taken by J.R. Manning in May 2010 |
 |
South Leaf Truss Detail Photo taken by J.R. Manning in May 2010 |
Map
- Google Maps
- Google Street View (if available)
- Yahoo! Maps
- Bing Maps
- MSR Maps
- OpenStreetMap
Facts
- Overview
- Bascule bridge over Main Branch Chicago River on N. Clark Street in Chicago
- Location
- Chicago, Cook County, Illinois
- Status
- Open to traffic
- History
- Built 1929; rehabilitated 1985
- Builders
- - American Bridge Co. of New York
- Ketler & Elliot Co.
- Design
- Bascule Pratt pony truss
- Dimensions
-
Length of largest span: 245.3 ft.
Total length: 346.0 ft.
Deck width: 38.0 ft.
- Approximate latitude, longitude
- +41.88778, -87.63083 (decimal degrees)
41°53'16" N, 87°37'51" W (degrees°minutes'seconds") - Approximate UTM coordinates
- 16/447664/4637508 (zone/easting/northing)
- USGS topographic map
- Chicago Loop
- Inventory numbers
- IL 016-6010 (Illinois bridge number)
BH 15112 (Bridgehunter.com ID) - Inspection (as of 11/2008)
- Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 64.0 (out of 100) - Average daily traffic (as of 2006)
- 14,800
Update Log
- May 15, 2010: New photos from J.R. Manning
- February 4, 2008: New photos from James McCray
Sources
- James McCray - jamesinslocomb [at] yahoo [dot] com
- HAER IL-64 - Chicago River Bascule Bridge, Clarke Street, Spanning Chicago River at Clarke Street, Chicago, Cook County, IL
- James Baughn - webmaster [at] bridgehunter [dot] com
- J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
