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Aug. 15, 2025 | View as webpage

Construction starts on culvert replacement projects

Construction on two of four major culvert replacements on Washington County roads is underway.


These projects will replace aging culverts to improve drainage and protect the roads from damage. Construction will require road closures. These are the culvert replacement projects we’re completing this summer. Schedules are subject to change.


Old Highway 47 Culvert Replacement: Aug. 8-Sept. 5


  • Road closure from Etters Road to Maple Lane


Old Pumpkin Ridge Culvert Replacement and Road Reconstruction: Aug. 11-Sept. 3


This culvert replacement is being completed in conjunction with a full-depth reclamation project, with a two-phase closure. Access to the Pumpkin Ridge Golf Club will be maintained.


  • Closure A: Mountaindale Road to Pumpkin Ridge Golf Club entrance; Aug. 11-27
  • Closure B: Pumpkin Ridge Drive to Pumpkin Ridge Golf Club entrance; Aug. 28-Sept. 3, 2025


White Creek Culvert Replacements: August 2025 (Dates to be determined)


Our contractor is in the process of developing schedules. We will replace one culvert on Gales Creek Road and another on Thornburg Road, with two road closures.


  • Closure A: Gales Creek Road south of Thornburg Road
  • Closure B: Thornburg Road south of Gales Creek Road


Groveland Road Culvert Replacement: September 2025 (Dates to be determined)


  • Road closure between West Union Road and Groveland Drive

Comment Opportunity

Comment on issue paper No. 2025-1: Accessory Dwelling Units (ADUs) in the Rural Area to let us know your thoughts about ADUs on rural lands.


Oregon counties can now allow ADUs on rural lands not intended for farm or forest use. Our issue paper explores the potential of ADUs in rural unincorporated Washington County.


Submit comments by Aug. 22 via email, phone 503-846-3519 or U.S. Mail to Washington County Land Use & Transportation; Long Range Planning; 155 N. First Ave., Suite 350, MS14; Hillsboro, OR 97124.


Learn more

wc-roads.com - Upcoming Traffic Impacts

Paving is underway. See the paving list and schedule.


  • 188th Avenue, Kinnaman Road to Blanton Street; intermittent lane closures 7:30 a.m.-4 p.m. Aug. 18-Oct. 15 for construction.
  • 25th Avenue/Cornell Road intersection; traffic signal shutdown, 10 p.m.-6 a.m. Aug. 18-22.


Visit wc-roads.com for more traffic impacts.

Career Opportunities: Work for LUT

At Washington County, we believe our employees and services should reflect our growing and diverse community. We understand that taking care of our community means taking care of our employees.


Discover career opportunities with Land Use & Transportation! We're committed to building and maintaining a great transportation system and planning and protecting our community's land. Open positions include:


Attend CPO Meetings

Learn what's going on in your area of Washington County. Attend your Community Participation Organization (CPO). CPOs are made up of community members who work together and are actively engaged in decision-making processes. Find out which CPO you live in and learn more.

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