MDT does not have enough information to say how long any of these restrictions will be in place. Please use alternate routing when applicable. Please visit https://www.511mt.net/ for more information on incidents and closures.
S-482 Farm To Market Rd Libby, MT MP 2.0 to 3.0
Effective 3/17/2026. Road Closed due to flooding.
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.
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-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.
Permanent Restrictions
- Travel on US-12E from MP 2.4 to MP 33.3 through Deep Creek Canyon is limited to 12 feet wide, 130 feet long, 15 feet high.
- Travel on MT-35 is restricted between Polson and Bigfork for all loads exceeding 9 feet wide with the exception of loads that have an origin or destination between those locations. Please refer to MDT’s website or 511 for further information.
- US-87: between Belt and Raynesford (EB and WB): there is a width restriction of 12 feet 6 inches wide. The detours for EB and WB are: 1) WB: Raynesford, MT (WB detoured) to Great Falls, MT: U-87, S-427, US-89, US-87. 2) EB: Great Falls, MT (EB detoured) to Raynesford, MT: US-87, US-89, S-427, US-87.