Update 4:55 P.M. from Madison County I just clarified with my dot dispatch contact and it's indefinitely closed and it is the bridge by the fairgrounds.
From Madison County Sheriff's Office:
MT-41S Between Twin Bridges and Dillon is currently CLOSED to through traffic due to a bridge incident at the structure over Beaverhead River in Twin Bridges. All vehicles must use an alternate route until further notice. Please do not contact Madison County Dispatch to get an eta on reopening. Please refer to your MT DOT app. Thank you.
For more information on the opening of the bridge check MDT511
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