Lewiston Begins Snake River Avenue Phase 2 Traffic Delays

Southbound lane closure from roundabout to Southway Bridge starts next week for sewer main replacement project.

Published on Mar. 2, 2026

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The city of Lewiston has announced that starting on Monday, March 9th, the southbound lane of Snake River Avenue will be closed from the roundabout to the Southway Bridge as part of Phase 2 of a sewer main replacement project. The northbound lane will remain open, including the section that was closed during Phase 1. The project is expected to be completed by March 19th.

Why it matters

This closure will significantly impact traffic flow and access to the Southway Bridge, a major thoroughfare in Lewiston. Residents and commuters will need to plan for detours and expect delays during this construction period.

The details

The city's press release states that the southbound lane of Snake River Avenue will be closed from the roundabout to the Southway Bridge starting on Monday, March 9th. The northbound lane will remain open, including the section that was closed during Phase 1 of the sewer main replacement project. The work is expected to be completed by March 19th.

  • The project begins on Monday, March 9th, 2026.
  • The southbound lane closure will last until March 19th, 2026.

The players

City of Lewiston

The local government overseeing the Snake River Avenue sewer main replacement project and related traffic changes.

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What’s next

Residents and commuters should plan for detours and expect delays while the southbound lane of Snake River Avenue is closed from the roundabout to the Southway Bridge.

The takeaway

This construction project will significantly impact traffic flow in Lewiston for nearly two weeks, underscoring the need for infrastructure maintenance and the challenges it can pose for local communities.