Similar
![[Albany, N.Y., bridge across lake, Washington Park]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE4OTAvMDEvMDEvYWxiYW55LW55LWJyaWRnZS1hY3Jvc3MtbGFrZS13YXNoaW5ndG9uLXBhcmstNjQwLmpwZw%3D%3D/40/31/webp "[Albany, N.Y., bridge across lake, Washington Park]")
Related
Chicago River Bascule Bridge, Grand Avenue, Spanning North Branch Chicago River at Grand Avenue, Chicago, Cook County, IL
Summary
Significance: The Grand Avenue Bridge represents the "second generation" of the Chicago bascule bridge with improvements executed in the design of the counterweights, a new rack-and-pinion assembly (namely, the use of an internal rack, instead of an external rack that extended along the truss superstructure's upper chords), and a steel pony truss superstructure.
Survey number: HAER IL-139
Building/structure dates: 1913 Initial Construction
Tags
Date
1969 - 1980
Contributors
Historic American Engineering Record, creator
Strobel Steel Construction Company
Fitzsimons & Connell Dock & Dredge Company
Fitzsimons, Gray, transmitter
Fitzsimons, Gray, historian
Location
chicago, 41.89191, -87.61336
Source
Library of Congress
Copyright info
No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html
