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McDowell Bridge

McDowell Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: November 4, 2019

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Key Facts

Facility Carried / Feature Intersected
McDowell Lane (TR-717) Over Chartiers Creek
Location
Canonsburg and McMurray: Washington County, Pennsylvania: United States
Construction Date and Builder / Engineer
1943 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
60 Feet (18.3 Meters)
Structure Length
143 Feet (43.6 Meters)
Roadway Width
19.7 Feet (6 Meters)
Spans
3 Main Span(s)
NBI Number
35315

Historic Significance Rating (HSR)
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Bridge Documentation

This is a rare example of a concrete through girder in western Pennsylvania. With a 1943 construction date it is also a very late example of a concrete through girder bridge. It may have been a solution to steel shortages due to World War II.

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

Information and Findings From Pennsylvania's Historic Bridge Inventory

Discussion of Bridge

The 3-span continuous, 143'-long, reinforced concrete through girder bridge was built in 1943 during World War II, which is why it is a reinforced concrete rather than a steel bridge. It is supported on a concrete substructure. The center span is 60' long and the two approach spans are 41' long. It has paneled parapets. The bridge is not related to any military facility, so it is not associated with the war effort. Neither the bridge nor its setting is historically or technologically significant.

Discussion of Surrounding Area

The bridge carries a two-lane road over a stream in an area dominated by a mix of mid- to late-20th century residential and commercial development. The area does not appear to have historic district potential.

Bridge Considered Historic By Survey: No

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Photo Galleries and Videos: McDowell Bridge

 
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Maps and Links: McDowell Bridge

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