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Work underway on I-90/SH-41 interchange in Post Falls

 
March 6, 2023

The second season of construction will resume this month at the I-90 and State Highway 41 Interchange, which is funded by Governor Little’s Leading Idaho initiative. Work this spring will primarily cause nighttime closures on I-90 and SH-41 as weather allows. Nighttime lane closures on I-90 will begin tonight, and in late March SH-41 will be closed for several nights as construction of a temporary bridge on I-90 over the highway progresses. Drivers should pay attention to signage in the work zone for exact timing of impacts.

“Everything we do is dependent on the weather, particularly in these next few months,” Project Manager Shannon Stein said. “This work zone is complex, with crews planning to work on several areas of the interchange at the same time.”

Bridge construction will be the main focus of the 2023 season. Crews will work on a temporary bridge on I-90 over SH-41 to maintain traffic flow during construction as well as three permanent structures for eastbound I-90. Later this year crews will also begin building the three permanent bridges for westbound I-90.

“Unlike last year though drivers will see construction shift to other areas of the project, including the Seltice Way/SH-41 intersection and near Central Avenue to work on the future underpass for pedestrians,” Stein said.

Impacts to traffic will be similar to last year and are as follows:
  • Two lanes will be open during the day with reduced shoulders on I-90.
  • The speed limit will be lowered to 55 mph on I-90 and 25 mph on SH-41 and Seltice Way.
  • Intermittent lane restrictions on I-90 at night. Nighttime work hours are generally from 8 p.m. to 5 a.m. Work will start at 10 p.m. during special events.

The best way to stay informed is to sign up for email updates by visiting itdprojects.org/i90sh41ic or by calling (208) 738-4190. Live traffic impacts can also be found at 511.idaho.gov.

The Transportation Expansion and Congestion Mitigation (TECM) funds through Governor Little’s Leading Idaho initiative allowed this $78 million interchange reconstruction project to begin one year earlier than expected. This program has allowed ITD to address rapid growth and build critical infrastructure today across the state that would otherwise have taken many years to fund and build.

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Mike Weland, Publisher
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