COLUMBUS - Interstate 90 was closed Wednesday morning between Columbus and Big Timber.According to the Montana Department of Transportation, the highway was closed in both directions between mileposts 370 and 408 at 7:40 a.m.The Stillwater County Sheriff's Office posted on social media that the highway was closed due to wrecks.According to a social media post by the Montana Highway Patrol, one westbound lane reopened at about 9:40 a.m.One eastbound lane opened at about 10:40 a.m."Cleanup of these crashes is expected to take hours", the patrol said. This is a developing story. Check back for updates. ...read more read less