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SR 520 closed in both directions across Lake Washington (eastbound access to Montlake only) overnight on March 20; Trail open

Date: March 20, 2025 to March 21, 2025

Time: 9 p.m. to 5 a.m.

Activity details:

  • check mark icon Full highway closure
  • check mark icon Overnight

Impact type:

  • check mark icon Traffic

Description: Crews will test Montlake Lid systems.

Traffic: SR 520 will close across Lake Washington between the eastside and I-5 for westbound traffic and between Montlake Boulevard and the eastside for eastbound traffic from 9 p.m. to 5 a.m. on the night of Thursday, March 20. Note that all eastbound traffic will exit at Montlake Boulevard. The SR 520 Trail will remain open.

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Contact Info

Email: sr520bridge@wsdot.wa.gov
24-hour construction hotline: 206-775-8885

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