State Route 520 logo

Eastbound SR 520 off-ramp to Montlake Blvd. closed overnight Oct. 6

Date: Oct 6, 2025 to Oct 7, 2025

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

Activity details:

  • check mark icon Ramp closure
  • check mark icon High-impact construction
  • check mark icon Nighttime
  • check mark icon Overnight

Impact type:

  • check mark icon Traffic
  • check mark icon Noise

Description: Crews will use this closure to relocate nearby light poles in preparation for future ramp removal as part of the SR 520 Portage Bay Bridge & Roanoke Lid Project.

Traffic: The eastbound SR 520 off-ramp to Montlake Blvd. in Seattle will close for construction from 10 p.m. to 6 a.m. on Monday, Oct. 6. All eastbound SR 520 traffic will pay the SR 520 bridge toll with the ramp closed during these hours. Travelers who do not want to pay the toll will need to use alternate routes to head east across Lake Washington.

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.