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Bridge work starts next week; kicks off US12 multimillion revitalization work

ITD will be repaving more than 50 miles of U.S. 12

A fall view along U.S. Highway 12 near Three Rivers Resort at Lowell.

Photo by David Rauzi
A fall view along U.S. Highway 12 near Three Rivers Resort at Lowell.

Bridge work starting next week kicks off $17 million in infrastructure improvements for U.S. Highway 12, a revitalization project by the Idaho Transportation Department that is expected to be completed this fall.

According to ITD public information specialist Megan Sausser, work on Fish Creek Bridge near Bald Mountain (46 miles east of Kooskia) will begin on Monday, April 16, and work on Maggie Creek Bridge near Kooskia is expected to begin April 30.

SH162 resurface starts this month

The Idaho Transportation Department will start this month on resurfacing State Highway 62 between Craigmont and Nez Perce. Construction will last for approximately two months. Flaggers will facilitate alternating, one-way traffic, and travelers can expect reduced speeds and 15-minute delays.

“Bridgework will start in April,” Sausser said, “but the high-impact work will be the paving jobs.”

Paving work between Warm Springs and the Idaho-Montana border is anticipated to start in early June. A month later, paving work between Tumble Creek and Saddle Camp will start. According to Sausser, ITD picked these start times to minimize impacts to the rafting community.

ITD will be repaving more than 50 miles of U.S. 12 as part of this project to improve the corridor that has deteriorated due to heavy use and harsh weather conditions. Bridges set for replacement haven’t seen major repairs since their construction in the early 1950s.

Project estimates are $13.3 million for highway repaving and $3.6 million in bridge replacement. Contractor Knife River will conduct repaving work, 27 miles between Tumble Creek and Saddle Camp Road, and 23 miles between Warm Springs Pack Bridge and the Montana border. Bridge work contractors are Concrete Placing Company and Braun-Jensen Inc.

Paving projects are anticipated to be performed 24 hours, six days a week. Work on U.S. 12 is expected to wrap up in October.

Throughout all four construction projects, travelers can expect alternating, one-way traffic. Sausser said that given the number of projects in the area and the limited passing opportunities on the predominately two-lane highway, travelers could experience delays upwards of two hours.

Travelers are encouraged to visit the project website ( to stay up to date on construction—the website includes directions to personalizing 511 and an option to sign up for the project newsletter.

According to ITD, plans are for sealcoats to be applied on approximately 60 miles of the highway a few years following the work to protect the surface and extend pavement life.


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