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Historic Bridges: Alfred P. Boller 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.

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Total Bridges Found: 2

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Pedestrian Walkway Over St. Louis River in Duluth: St. Louis County, Minnesota and Douglas County, Wisconsin, United States
Metal 10 Panel Pin-Connected Parker Through Truss, Fixed
Length: 845 ft. Main Span: 325 ft. Main Spans: 1
Built 1897 By: Pennsylvania Steel Company of Steelton, Pennsylvania and Alfred P. Boller of Philadelphia, Pennsylvania
Macombs Dam Bridge
Central Bridge
HSRNational HSR. Local HSR.
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Jerome Avenue and 155th Street Over Harlem River in New York: The Bronx, New York and Manhattan, New York, United States
Metal Pin-Connected Pratt Through Truss, Movable: Swing (Rim Bearing Center Pier)
Length: 2,540 ft. Main Span: 415 ft. Roadway: 44 ft. Main Spans: 1
Built 1895 By: Passaic Rolling Mill Company of Paterson, New Jersey and Alfred P. Boller of Philadelphia, Pennsylvania




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