Historic Bridges: Northumberland County, 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.

10th Street Bridge
HSR

10th Street Over Shamokin Creek in Sunbury: Northumberland County, Pennsylvania, United States

Metal 9 Panel Rivet-Connected Camelback Through Truss, Fixed

Length: 181 ft. Main Span: 176 ft. Roadway: 18.7 ft. Main Spans: 1

Built 1916 By: M. H. Stebbins and G. A. Flink

This bridge uncommon riveted Camelback through truss bridge has been closed to traffic.

Dornsife Bridge
HSR

PA-225 Over Mahanoy Creek in Dornsife: Northumberland County, Pennsylvania, United States

Metal 12 Panel Rivet-Connected Warren Through Truss, Fixed

Length: 215 ft. Main Span: 208 ft. Roadway: 25.3 ft. Main Spans: 1

Built 1941 By: Fort Pitt Bridge Works of Pittsburgh, Pennsylvania and Pennsylvania State Highway Department

This a an extremely unusual variation of a standard state design through truss bridge in Pennsylvania that uses a Warren truss rather than a Pratt or Parker truss.

Happy Valley Road Bridge
HSR

Happy Valley Road (TR-802) Over South Branch Roaring Creek in Rural: Northumberland County, Pennsylvania and Columbia County, Pennsylvania, United States

Metal 5 Panel Pin-Connected Pratt Through Truss, Fixed

Length: 76 ft. Main Span: 73 ft. Roadway: 14.8 ft. Main Spans: 1

Built 1887 By: King Bridge Company of Cleveland, Ohio

This classic King Bridge Company Pratt truss has been altered with the addition of a load-bearing arch.

Herndon Bypass Road Bridge
HSR

PA-3006 (Herndon Bypass Road) Over Mahanoy Creek in Rural: Northumberland County, Pennsylvania, United States

Metal 7 Panel Rivet-Connected Parker Through Truss, Fixed

Length: 158 ft. Main Span: 153 ft. Roadway: 24 ft. Main Spans: 1

Built 1940 By: Unknown and Pennsylvania State Highway Department

This is a small through truss example of a state standard through truss bridge.

Hollow Road Bridge
HSR

Hollow Road (TR-430) Over Schwaben Creek in Rural: Northumberland County, Pennsylvania, United States

Metal 3 Panel Pin-Connected Pratt Half-Hip Pony Truss, Fixed

Length: 41 ft. Main Span: 39 ft. Roadway: 14 ft. Main Spans: 1

Built 1897 By: King Bridge Company of Cleveland, Ohio

This is an outstanding, unaltered example of a small pony truss built by the famous King Bridge Company.

Knoebels Amusement Park Bridge
HSR

Railroad (Old Smokey Train Ride) Over South Branch Roaring Creek in Knoebels Grove: Columbia County, Pennsylvania and Northumberland County, Pennsylvania, United States

Metal 5 Panel Pin-Connected Pratt Full-Slope Pony Truss, Fixed

Main Spans: 1

Built By: Phoenix Bridge Company of Phoenixville, Pennsylvania

Knoebels Amusement Resort relocated and reused this rare Phoenix Column truss bridge for a train ride in the park.

Line Road Bridge
HSR