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 the Center of Drawbridge 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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Bridge Plaque

Photo taken by James McCray in August 2007

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Deck View Again

Photo taken by James McCray in August 2007

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Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Bascule bridge over Main Branch Chicago River on Dearborn Street in Chicago
Location
Chicago, Cook County, Illinois
Status
Open to traffic
History
Built 1963
Design
Bascule Deck truss
Dimensions
Length of largest span: 234.8 ft.
Total length: 340.8 ft.
Deck width: 56.0 ft.
Approximate latitude, longitude
+41.90139, -87.62972   (decimal degrees)
41°54'05" N, 87°37'47" W   (degrees°minutes'seconds")
Inventory numbers
IL 016-6014 (Illinois bridge number)
BH 15118 (Bridgehunter.com ID)
Inspection (as of 10/2006)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 65.0 (out of 100)
Average daily traffic (as of 2006)
15,200

Categories 

Bascule (442)
Built 1963 (82)
Built during 1960s (689)
Chicago, Illinois (78)
Cook County, Illinois (82)
Deck truss (542)
Illinois (873)
Movable (858)
Open (21,663)
Owned by city (1,909)
Span length 175-250 feet (1,004)
Structurally deficient (10,809)
Total length 250-500 feet (2,106)
Truss (15,829)

Update Log 

Sources 

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Comments 

Dearborn Street Bridge
Posted September 8, 2007, by Tom Staley (thomass [at] nc [dot] rr [dot] com)

Photo Taken Sept 7, 2007. I believe that the approximate latitude, longitude is +41.887450 -87.629520

Uploaded file: JPEG image data, JFIF standard 1.01, 550051 bytes