Overnight Road Closure Planned near First Street and Main Street in Lewiston

Avista to replace power poles, causing temporary traffic reroute and brief outages

Published on Feb. 22, 2026

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Avista, the local utility company, will be conducting scheduled infrastructure work overnight on Thursday in Lewiston, Idaho, requiring a temporary road closure and traffic reroute near the intersection of First Street and Main Street. The work will begin at 6 p.m. and conclude by 4 a.m. on Friday, impacting westbound traffic across the Interstate-Blue Bridge.

Why it matters

This planned overnight work is part of Avista's ongoing efforts to update equipment and maintain reliable electrical service in the Lewiston-Clarkston region. While inconvenient for some drivers, the upgrades are necessary to ensure the power grid continues to function properly.

The details

During the closure, westbound traffic from Lewiston across the Interstate-Blue Bridge will be closed, and vehicles will be rerouted south on Snake River Avenue and directed to the Southway Bridge. Traffic traveling from Clarkston to Lewiston via the Interstate/Blue Bridge will not be impacted. Avista will be replacing power poles along First Avenue and Main Street, and a small number of customers may experience a brief planned power outage during the construction.

  • The work will begin at 6 p.m. on Thursday, February 19, 2026.
  • The work is expected to conclude by approximately 4 a.m. on Friday, February 20, 2026.

The players

Avista

The local utility company responsible for providing electricity and natural gas services in the Lewiston-Clarkston region.

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What’s next

Customers with questions about the planned work or potential power outages can contact Avista by calling (800) 227-9187.

The takeaway

This overnight infrastructure work by Avista is necessary to maintain reliable electrical service in Lewiston, though it will cause temporary traffic disruptions and brief power outages for some customers in the area.