Alfred P. Boller
of Philadelphia, Pennsylvania
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Broadway Bridge (1895) (New York County, New York)
Built 1895Lost Pratt through truss bridge over Harlem River on BroadwayReplaced by a new bridge but relocated, becoming the Universiy Heights Bridge
East Haddam Bridge (Middlesex County, Connecticut)
Built 1913Swing through truss bridge over Connecticut River on CT 82 in East HaddamOpen to traffic
Groton Bridge (New London County, Connecticut)
Built 1889Pratt through truss bridge over Thames River on NY,NH&H RR, New London/GrotonReplaced by a new bridge
Interstate Bridge (St. Louis County, Minnesota)
Built 1906Parker through truss bridge over St. Louis River on Fishing pier (former railroad, US 53)Open to pedestrians
Macombs Dam Bridge (New York County, New York)
Built 1895Swing bridge over Harlem River on E. 155th Street in New YorkOpen to traffic
Putnam Bridge (New York County, New York)
Design, 1881Lost Pratt through truss bridge over Harlem River on New York & Putnam Railroad & Interborough Rapid Transit CompanyRemoved
University Heights Bridge (New York County, New York)
1893-1895, 1908Swing bridge over Harlem River on W. 207th Street in New YorkOpen to traffic