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Pghbridges.com is a reference site created by Bruce S. Cridlebaugh. Formally titled Bridges and Tunnels of Allegheny County and Pittsburgh, PA, pghbridges.com has information on many of the structures of the area. It includes detailed histories and photographs for hundreds of bridges, although since there are over 2000 bridges in the area (with a span of at least 6 feet), not all are included. Coverage is based on historical, architectural, or engineering significance.
For many of the bridge articles, Cridlebaugh has searched the HAER records, and where there was a writeup or report in .tif format, has done the OCR to convert it to text, and made the text available at the site.
- about pghbridges.com page from the site
- Metropolis (urban living magazine) references this site
- Carnegie Library of Pittsburgh lists this site (second link) on its "Pittsburgh History" page as a resource
- New England Institute of Technology lists this site (second link) in the Historical American Bridges section
- listed as resource at Structurae
- Internet Scout Project (A project promoting math, technology and engineering) of the Mellon foundation lists this site as a resource.
- Stanford University Library newsletter lists this site as a resource.
- Pittsburgh Post-Gazette (local paper) mentions the site in a column about unusual hobbies
- 2004 ABCD award from the Pittsburgh chapter of the Association of Bridge Construction and Design
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