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Historic Bridges: Seeds and Derham of Philadelphia, Pennsylvania

Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S  - Dismantled and/or in storage. L -  Severe loss of historic integrity due to alteration.


Results in this list will be limited to the first 200 results. Consider performing a more narrow search from the main BridgeSeek tool if your search here is showing 200 results.

Total Bridges Found: 2

Schuylkill Avenue Bridge
HSRNational HSR. Local HSR.
Click to visit page.
Schuylkill Avenue (PA-183) Over Schuylkill River, River Road, and Railroad in Reading: Berks County, Pennsylvania, United States
Concrete Closed Spandrel Deck Arch, Fixed and Approach Spans: Concrete T-Beam, Fixed
Length: 670 ft. Main Span: 106 ft. Roadway: 48 ft. Main Spans: 5
Built 1924 By: Seeds and Derham of Philadelphia, Pennsylvania and Charles F. Sanders
Although hard to photograph, this arch bridge which is built on a curve is an attractive structure.
Tilghman Street Viaduct
HSRNational HSR. Local HSR.
Click to visit page.
Tilghman Street (Union Boulevard, PA-1002) Over Lehigh River and Railroad in Allentown: Lehigh County, Pennsylvania, United States
Concrete Open Spandrel Deck Arch, Fixed
Length: 1,387 ft. Main Span: 185 ft. Roadway: 36 ft. Main Spans: 12
Built 1929 By: Seeds and Derham of Philadelphia, Pennsylvania and James B. Long
This is a long curved viaduct composed of many open spandrel arch spans.

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