Joliet Bridge

The Joliet Bridge, in Carbon County, Montana, near Joliet, is a Pratt through truss bridge built in 1901. It was listed on the National Register of Historic Places in 1986.
It is a multiple-span road bridge. The main span is a pin-connected steel Pratt truss, about long, resting on concrete abutments and cylindrical piers. On the south end, there are approach spans made of wood stringers supported by timber pile bents; these replaced an original pony truss approach span. The deck is made of wood bridge planks, covered with asphalt.
It was designed and built by William S. Hewett, a bridge builder based in Minneapolis, who was low bidder on the contract for the main bridge, at $4,500, and also for an approach span, at $750, which had to be added, perhaps because the original measurements or specifications were not adequate.
The bridge carries Main Street road over Rock Creek, south of the town.