The Buffalo Gap Cheyenne River Bridge, in Custer County, South Dakota near Buffalo Gap, South Dakota, was built in 1932. It was listed on the National Register of Historic Places in 1988.
It is or was a Parker through truss bridge located on Custer County Road 656, about east and north of Buffalo Gap. It connected Custer County to the west and the Pine Ridge Indian Reservation to the east.
The bridge consisted of three Parker truss spans, resting on four poured concrete piers, rising about above the Cheyenne River. Together with reinforced concrete approach spans, the bridge was long. With
The bridge was replaced in 2014.
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