Milepost 0 on County Rd. 186 near jct. of US 12, Avon, Montana. County/parish: Powell.
Added to the National Register of Historic Places January 04, 2010. NRIS 09001185.
Part of Montana's Historic Steel Truss Bridges (NRIS 64501055).
1 contributing structure.National Park Service documentation: https://catalog.archives.gov/id/71975288