Two 10th Avenue closures planned

For Immediate Release: Wednesday, May 02, 2018

Sponsored by: Department of Land Use and Transportation, Engineering and Construction Services Division

10th Avenue detour mapTwo construction-related closures are scheduled for 10th Avenue as part of the road-widening project. Tentative dates are:

  • May 14-June 16: Between Adair and Baseline streets for waterline and sewer installation and road widening. Traffic will be detoured onto Holladay Street, 4th Avenue and Heather Street. Map

    Businesses in the closure area will have parking lot access from Adair or Baseline streets.

  • June 18-July 20: Between Baseline and Alpine streets in coordination with Portland &Western Railroad for improvements to the rail crossing at 10th Avenue. No businesses will be impacted. A detour route has not been identified.

For the duration of the project traffic on Adair Street (Highway 8 westbound) and Baseline Street (Highway 8 eastbound) will be restricted to one travel lane each, as needed, between 9 a.m.-3:30 p.m. weekdays.

The 10th Avenue widening project will add intermittent turn lanes, curb extensions, street lights, sidewalks, bike lanes and new water lines, sewer lines and storm drains. The road is a link between Blooming Fern Hill area farms and Highway 26 and carries freight and farm vehicles and residential traffic.

Work is expected to be complete by Oct. 31; all dates are subject to change. This project is funded by Washington County's Major Streets Transportation Improvement Program (MSTIP).

For more information, visit the project website or contact Washington County Department of Land Use & Transportation at lutproj@co.washington.or.usor 503-846-7800. For latest road construction schedules, visit

Washington County is committed to planning, building and maintaining a great transportation system, ensuring the safety of all roadway users, and operating the County roadway system in cost-effective and environmentally responsible manner.

Media Contact:

Melissa De Lyser, Public Affairs and Communications Manager