Please be advised that the Bear Canyon Road interstate offramp and onramp will be closed until May 2026. There was significant damage to the bridge that will not be repaired until that time. We are advising all traffic to exit at Main Street and use the Frontage Road to Fort Ellis Road to Bozeman Trail Rd. You can find the latest updates from MDT here: https://mdtnews.mt.gov/news/news-folder/2026/01/20260122-I90-Bear-Canyon-detour