George Westinghouse Bridge, Spanning Turtle Creek at Lincoln Highway (U.S. Route 30), East Pittsburgh, Allegheny County, PA

Significance: Hailed as "America's Longest Concrete-Arch Bridge" when it opened in 1932, the bridge's main span remains one of the longest concrete arch spans in the U.S. This structure represents the highest engineering skill in concrete arch bridge construction. Engineers designing and construction the bridge overcame challenges presented by the extreme depth and width of Turtle Creek valley, which this bridge spans.
Unprocessed Field note material exists for this structure: N424
Survey number: HAER PA-446
Building/structure dates: 1929- 1932 Initial Construction
National Register of Historic Places NRIS Number: 77001120