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Bridges -- Pennsylvania

Allegheny County (Pa.) (1)

View Resource Bridges and Tunnels of Allegheny County, Pennsylvania

Technophile Bruce S. Cridlebaugh has compiled this website of information on the bridges and tunnels of Allegheny County and Pittsburgh to satisfy his curiosity. The information featured here has been primarily gathered by visiting the various bridges and tunnels and making on-site measurements, sketches, photos and notes. Despite limitations due to the nature of some sites, such as "a given...