Monongahela Connecting Railroad Company, Main Bridge, Spanning Monongahela River at mile post 3.1, Pittsburgh, Allegheny County, PA
Summary
Significance: Major connection between the north and south sides of the plant which was separated by the Monongahela River. Practically all of the intra-mill transfer of materials crossed this bridge during the steel-making process. All outbound rail shipments via the Pittsburgh and Lake Erie Railroad Company or Conrail (formerly Pennsylvania Railroad) were hauled across this bridge.
Survey number: HAER PA-277-B
Building/structure dates: 1904 Initial Construction
Building/structure dates: 1950 Subsequent Work
Building/structure dates: 1960 Subsequent Work
Building/structure dates: 1970 Subsequent Work
Tags
Date
1969 - 1980
Contributors
Historic American Engineering Record, creator
American Bridge Company
Jones & Laughlin Steel Corporation
LTV Steel Corporation
Carl J. Jacobsen, Engineers & Contractors
Structural Associates
Bethlehem Steel Corporation
Minotte Construction Company
Monongahela Connecting Railroad Company, sponsor
Samek, William, photographer
McCombs, Richard L, historian
Location
Pittsburgh (Pa.), 40.44062, -79.99589
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