Historic Bridges of the U.S. | Grand Avenue Bridge

Photos

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General View Of Bridge, Looking North

Photo taken by Historic American Engineering Record

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Detail Of Builder's Plate

'Superstructure Built By Strobel Steel Construction Co., Chicago, Ill., 1913, Substructure Built By Fitzsimons & Connell D&D Co., Chicago, Ill.'

Photo taken by Historic American Engineering Record

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Detail Of Upper Chord And Riveted Gusset Plate Connection

Photo taken by Historic American Engineering Record

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Detail Of Counterweight Inside The Bridge Abutment

Photo taken by Historic American Engineering Record

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View Of Electric Motor That Powers Gears For Lifting The Bridge

Photo taken by Historic American Engineering Record

Overview: Bascule bridge over North Branch Chicago River on Grand Avenue in Chicago
Location: Chicago, Cook County, Illinois
Status: Open to traffic
History: Built 1913; rehabilitated 1974
Design: Bascule Pratt pony truss
Dimensions: Length of largest span: 187.9 ft.
Total length: 269.9 ft.
Deck width: 36.0 ft.
Approximate latitude, longitude: +41.89167, -87.64056 (decimal degrees)
41°53'30" N, 87°38'26" W (degrees°minutes'seconds")
Approximate UTM coordinates: 16/446860/4637946 (zone/easting/northing)
USGS topographic map: Chicago Loop
Inventory numbers: IL 016-6021 (Illinois bridge number)
BH 15126 (Bridgehunter.com ID)
Inspection (as of 11/2006): Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 73.4 (out of 100)
Average daily traffic (as of 2006): 14,600