State Route 520 logo

Montlake Blvd. on-ramp to westbound SR 520 closed nightly Aug. 18-21 & Aug. 23

Date: Aug 18, 2025 to Aug 24, 2025

Time: 10 p.m. to 6 a.m. nightly

Activity details:

  • check mark icon Ramp closure
  • check mark icon Nighttime
  • check mark icon Overnight

Impact type:

  • check mark icon Traffic
  • check mark icon Noise

Description: Crews will use the closures to install temporary lighting near the ramp for future construction needs.

Traffic: The Montlake Boulevard on-ramp to westbound SR 520 will close for construction nightly beginning at 10 p.m. until 6 a.m. on Monday, Aug. 18, Tuesday, Aug. 19, Wednesday, Aug. 20 and Thursday, Aug. 21. The on-ramp will also close on Saturday, Aug. 23 for the same reason and time frame. Travelers on Montlake Boulevard wanting to access westbound SR 520 to get to I-5 will need to use alternate routes. Westbound SR 520 will remain open during this work.

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.