Aerial view of the Commercial Street Bridge

1950

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Aerial view of the Commercial Street Bridge
  • Title
  • Aerial view of the Commercial Street Bridge
  • Identifier
  • MSP285.B011.F09.I04
  • Source Identifier
  • MSP285.B011.F09.I04
  • Description
  • The Commercial Street Bridge, spanning the Nine Mile Run Valley, along the Penn-Lincoln Parkway (Interstate 376) or known locally as the Parkway East. The bridge has 3 arches with a length of 170 feet each and 12 approach spans at a length of 28 feet each. The total length of the bridge, including the longest elevated ramp, is 846 feet. The height of the deck has a clearance of 85 feet at the arch and a width of 68 feet. Construction began in April 1948 and was completed in April 1951 at a cost of $1.78 million by Dinardo, Inc. of Pittsburgh. Material excavated during the construction of the Squirrel Hill Tunnel (left background) fills a part of Nine Mile Run valley to a depth of 100 feet on a 1,000-foot long approach to the Commercial Street Bridge.
  • Genre
  • photographs
  • Subject
  • Commercial Street Bridge (Pittsburgh, Pa.)
    Squirrel Hill Tunnel (Pittsburgh, Pa.)
    Penn-Lincoln Parkway.
    Parkway East.
    Bridges--Pennsylvania--Pittsburgh.
    Tunnels--Pennsylvania--Pittsburgh.
    Aerial views--Pennsylvania--Pittsburgh.
  • Source
  • Allegheny Conference on Community Development Photographs, 1892-1981, MSP 285, Library and Archives Division, Senator John Heinz History Center
  • Contributor
  • Detre Library & Archives, Heinz History Center
  • Collection
  • Allegheny Conference on Community Development Photographs
  • Rights Information
  • Copyright Not Evaluated. The copyright and related rights status of this Item has not been evaluated. Please refer to the organization that has made the Item available for more information. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use.
    http://rightsstatements.org/vocab/CNE/1.0/