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Bessemer and Lake Erie Railroad Bridge

Bessemer and Lake Erie Railroad Bridge

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: August 2, 2007

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and Videos
View Maps
and Links

Key Facts

Facility Carried / Feature Intersected
Railroad (Bessemer and Lake Erie) Over Allegheny River
Location
Near Oakmont: Allegheny County, Pennsylvania: United States
Structure Type
Metal Continuous 14 Panel Multiple-Type-Connected Baltimore Deck Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed
Construction Date and Builder / Engineer
1918 By Builder/Contractor: American Bridge Company of New York, New York

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
520 Feet (159 Meters)
Structure Length
2,327 Feet (709 Meters)
Roadway Width
Not Available
Spans
7 Main Span(s) and 1 Approach Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

View Historic American Engineering Record (HAER) Documentation For This Bridge

HAER Data Pages, PDF

View A Historical Article Describing Bridge Construction

This continuous deck truss features a main Baltimore deck truss span and approach spans using a Warren truss configuration. The bridge features mostly riveted connections, although some connections are pinned. The views of the bridge seen on this website are from the north side of the river, and show the approach spans, with the main span in the distance. Photos from HAER show the other end of the bridge. This bridge was a source of pride for U.S. Steel and the American Bridge Company who built it with what was at the time an early and unusual continuous design to showcase their skill with new silicon steel, thereby promoting their company and railroad. Today, the bridge remains a large and unusual example of continuous deck truss construction.

The other bridge seen in these photos is the late PA Turnpike Bridge.

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Photo Galleries and Videos: Bessemer and Lake Erie Railroad Bridge

 
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Bridge Photo-Documentation
A collection of overview and detail photos. This photo gallery contains a combination of Original Size photos and Mobile Optimized photos in a touch-friendly popup viewer. Alternatively, Browse Without Using Viewer

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Maps and Links: Bessemer and Lake Erie Railroad Bridge

Coordinates (Latitude, Longitude):
40.537550,-79.820870

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