I 90 Bridges East of Alberton project logo

Frontier West anticipates using crossover traffic patterns and lane shifts during construction to ensure that I 90 traffic does not stop during construction.

I 90 Bridges East of Alberton Crossover Traffic

Crossover Traffic

I 90

  • Traffic will be reduced to one lane in each direction.
  • Both east and westbound traffic will travel on the same side of I 90.
  • Speed limits will be reduced.
  • Width and length restrictions will be in place (visit www.511mt.net for the most up-to-date information).

Clark Fork River

The river will remain open, but signage may direct river traffic to one side of the river at certain times.