Toston Bridge

The Toston Bridge is a site on the National Register of Historic Places spanning the Missouri River, on an abandoned segment of old U.S. Route 287, at Toston, Montana. It was added to the Register on July 20, 2005.

It is a steel, three-span riveted Warren through truss bridge supported by two reinforced concrete piers and by reinforced concrete abutments. It is 525 ft long, with three 175 ft-long spans.

It crosses the Missouri River in an area where the river flows north.