Allenwood River Bridge, Stone truss bridge in Delaware Township and Gregg Township, United States.
Allenwood River Bridge is a stone truss structure built in 1895 with a Pratt through truss design featuring five spans across the water. The bridge stretches roughly 290 meters (966 feet) over the West Branch Susquehanna River and was supported by pin connections typical of that engineering era.
The structure was built by Groton Bridge and Manufacturing Company in 1895 to replace earlier wooden bridges that had been destroyed by flood waters in the region. It served vehicle traffic until 1990, when Pennsylvania Route 44 was rerouted to a new concrete bridge.
The bridge was the main link between Allenwood and Dewart for generations, allowing farmers and lumber workers to move goods across the river. Today it stands as a reminder of how such structures shaped the daily commerce of these communities.
This historic bridge is no longer open to regular vehicle traffic and is mainly visited by history enthusiasts and hikers exploring the riverside area. The best time to visit is during dry weather when the surrounding paths and access points are in good condition.
The bridge gained recognition on the National Register of Historic Places in 1988 for its remarkable engineering achievement as one of the longest spans of its type across the river. This designation highlights how it managed to withstand heavy use and natural forces for nearly a century.
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