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![[Exterior view. South entrance (Independence Avenue), lamp at bottom of staircase. Library of Congress John Adams Building, Washington, D.C.]](https://cache.getarchive.net/Prod/thumb/cdn18/L3Bob3RvLzIwMTkvMTAvMDcvZXh0ZXJpb3Itdmlldy1zb3V0aC1lbnRyYW5jZS1pbmRlcGVuZGVuY2UtYXZlbnVlLWxhbXAtYXQtYm90dG9tLW9mLXN0YWlyY2FzZS01ZTk0NzktNjQwLmpwZw%3D%3D/40/30/webp "[Exterior view. South entrance (Independence Avenue), lamp at bottom of staircase. Library of Congress John Adams Building, Washington, D.C.]")
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Liberty Bridge, Spanning Monongahela River, East Carson Street & Second Avenue at State Route 3069, Pittsburgh, Allegheny County, PA
Summary
Significance: This was the longest and most expensive bridge built in Allegheny County when it was completed in 1928. The bridge links Pittsburgh's downtown area with the Liberty Tunnels, built through Mt. Washington in 1924. The opening of the tunnels and the bridge were instrumental in the development of Pittsburgh's South Hills suburbs...
Unprocessed Field note material exists for this structure: N426
Survey number: HAER PA-448
Building/structure dates: 1925- 1928 Initial Construction
Building/structure dates: 1983 Subsequent Work
National Register of Historic Places NRIS Number: 88000867
Tags
Date
1969 - 1980
Contributors
Historic American Engineering Record, creator
Covell, Vernon R
Dravo Contracting Company
Vang Construction Company
Independent Bridge Company
Booth & Flinn Company
Richardson, George S
Allegheny County Department of Public Works
Pittsburgh Committee on City Planning
Olmsted, Frederick Law
Brown, Norman F
DeLony, Eric N, project manager
Pennsylvania Department of Transportation, sponsor
Pennsylvania Historical & Museum Commission, sponsor
Gruen, Jason Philip, historian
Elliott, Joseph E, B, photographer
Location
Pittsburgh (Pa.), 40.39594, -80.11105
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
