MDT does not have enough information to say how long any of these restrictions will be in place. Please use alternate routing when applicable.

Hwy 91 Big Hole River Bridge 22 Miles N of Dillon

Effective 10/22/2024. Full closure of the Big Hole River Bridge that carries Hwy 91 approximately 22 miles north of Dillon.

Bridge Location

Latitude: 45.526644 and Longitude: - 112.701969

The bridge can no longer carry traffic safely or reliably and will remain closed until further notice.

US-87 18 miles east of Lewistown, MT, at mm 100.9

Effective 09/03/2024. There is an incident with the structure. Expect narrow lanes. No Overweight Loads and a width limit of 23 feet.

MT Bridge Closure - Buffalo Bridge Rd over the Flathead River (bridge 03260)

Effective 04/08/2024. No overweight loads, loads over legal weight, including permitted loads, are prohibited until further notice from using the Buffalo Bridge Rd over the Flathead River (bridge 03260). The Bridge is approximately 13 miles southwest of Polson, MT.

Bridge Failure - US-2 Bridge over Kootenai River

Effective 03/07/2024. No overweight loads, loads over legal weight, including permitted loads, are prohibited until further notice from using the US-2 Bridge over Kootenai River at milepost 11.6. The Bridge is approximately 2 miles northwest of Troy, MT.

Bridge Failure - 12-foot width restriction on US-2 near Chinook MT

Effective 12/5/2023. Due to a bridge failure, there will be a 12-foot width restriction in place and no overweight vehicles on US-2 between MP405 and MP406 over Lodge Creek near Chinook, MT.