State Route 520 logo

Single lane and sidewalk on southbound Montlake Blvd. between E. Hamlin St. & westbound SR 520 closed daily Aug. 18-22

Date: Aug 18, 2025 to Aug 22, 2025

Time: 9:30 a.m. to 2:30 p.m. daily

Activity details:

  • check mark icon Street and lane closure
  • check mark icon Daytime

Impact type:

  • check mark icon Bike/pedestrian
  • check mark icon Traffic
  • check mark icon Noise

Description: Crews will use the lane and sidewalk closure to continue to build out the temporary haul road over the Bill Dawson Trail for the SR 520 Portage Bay Bridge and Roanoke Lid Project.

Traffic: A single lane on southbound Montlake Boulevard between East Hamlin Street and the Montlake Boulevard on-ramp to westbound SR 520 will close for construction beginning at 9:30 a.m. to 2:30 p.m. daily on Aug. 18 through Aug. 22. In addition, the sidewalk in this area will close and people walking, biking or rolling will need to use the sidewalk on the eastern side of Montlake Boulevard. Access to westbound SR 520 will be maintained.

Contact Info

Email: sr520bridge@wsdot.wa.gov
24-hour construction hotline: 206-319-4520

Note: This tool is presented for planning purposes only. Construction is inherently dependent on weather and other factors, and activities are subject to change.