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Work resumes on Perma Bridge

by Montana Department of Transportation
| May 23, 2024 12:00 AM

The Montana Department of Transportation (MDT) and Frontier West resumed work on the bridge that carries Secondary Highway 382 (S 382) over the Flathead River near Perma the week of May 20, weather and other factors permitting.

Planned work for this construction season includes removing and replacing the pavement on the bridge approaches, upgrading guardrails, painting portions of the steel structure, installing advance warning rumble strips and signage, and applying final pavement markings.

Traffic will be reduced to one lane over the bridge and controlled by temporary signals. A 10-foot width restriction will be in place during painting work.

The river beneath the bridge will remain open, but signage may direct boat or raft traffic to one side of the river at a time. All work on this project is anticipated to be completed by fall.

“A significant amount of work was completed in 2023, but there is more to do this construction season,” said John Benda, engineering project manager for MDT’s Missoula District. “Motorists and river users should expect traffic control on the bridge similar to what we had last season, with a single lane and traffic signals.”

In 2023, crews completed repairs to the bridge including replacing damaged bearings and joints, repairing girders, hydro milling and overlaying the bridge deck (driving surface) with new concrete, and upgrading the bridge railing.

The goal of this project is to increase the lifespan of the bridge and enhance safety features. Following feedback from the public, additional safety enhancements were added to the project to address the intersection of S 382 and Montana Highway 200.

More information about these improvements can be found at www.mdt.mt.gov/pubinvolve/permabridge.