Clark Street Bridge

Photos 

Overview

Photo taken by James McCray in August 2007

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Map 

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 12/2010)

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 2010)

12,700

Categories 

Update Log 

• September 30, 2012: New photos from Steve Conro
• 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
• Wikipedia
• Steve Conro - sconro [at] yahoo [dot] com

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