The Buffalo River Bridge was a historic bridge, carrying Arkansas Highway 7 across the Buffalo River in northeastern Newton County, Arkansas.
It was an unusual Pennsylvania through truss, with a center span of 160 feet (49 m) and a total structure length of 375 feet (114 m).
The bridge was built in 1931 by a Kansas contractor under contract to the state highway department.
At the time of its listing on the National Register of Historic Places in 1990, it was one of four known Pennsylvania through trusses in the state.
This article about a property in Newton County, Arkansas on the National Register of Historic Places is a stub.