Southbound Lane Closure Scheduled for Snake River Avenue Phase II Project

Lewiston officials announce upcoming sewer main rehabilitation work along Snake River Avenue

Published on Mar. 2, 2026

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The City of Lewiston, Idaho will begin Phase II of the Snake River Avenue Pipeline Replacement Project on Monday, March 9, 2026, which will require the closure of the southbound lane of Snake River Avenue from Southway Avenue at the Southway Roundabout to the Southway Bridge. Northbound traffic will remain open, and detour routes will be posted. The project is expected to be completed by March 19, 2026, though officials noted that unforeseen conditions could affect the schedule.

Why it matters

This infrastructure project is necessary to rehabilitate the aging sanitary sewer main along Snake River Avenue in Lewiston. The lane closure and detours will impact traffic flow in the area, so it's important for residents and commuters to plan ahead.

The details

During Phase II construction, the southbound lane of Snake River Avenue will be closed from Southway Avenue at the Southway Roundabout to the Southway Bridge, also known as the Clarkston on-ramp. Northbound traffic will remain open, and detour routes will be posted. The City has contracted with Titan Technologies to complete the work.

  • The project will begin on Monday, March 9, 2026.
  • Work is anticipated to be completed by Friday, March 19, 2026, though officials noted that unforeseen conditions could affect the schedule.

The players

City of Lewiston

The local government of Lewiston, Idaho that is overseeing the Snake River Avenue Pipeline Replacement Project.

Titan Technologies

The construction company contracted by the City of Lewiston to complete the Phase II work on the Snake River Avenue Pipeline Replacement Project.

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What’s next

Drivers are encouraged to plan ahead and use caution while traveling through the area during the lane closure.

The takeaway

This infrastructure project is necessary to maintain and improve Lewiston's aging sewer system, but the lane closure and detours will cause temporary traffic disruptions that residents and commuters should be aware of.