State Route 520 logo

Westbound SR 520 and SR 520 Trail closed across Lake Washington around-the-clock Oct. 24-27; (Reopens from 9:30 a.m. to 6 p.m. Saturday for the UW football game)

Date: Oct 24, 2025 to Oct 27, 2025

Time: 11 p.m. Friday, Oct. 24 to 5 a.m. Monday, Oct. 27 (reopens from 9:30 a.m. to 6 p.m. Saturday for the UW football game)

Activity details:

  • check mark icon Partial highway closure
  • check mark icon Trail or park closure
  • check mark icon Ramp closure
  • check mark icon Around-the-clock

Impact type:

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

Description: This closure is needed to for punchlist work, signage installation, expansion joint repair and other construction activities as part of the recently completed Montlake Project.

Traffic: Westbound SR 520 (and its associated on and off-ramps) will close across Lake Washington between 92nd Avenue Northeast in Clyde Hill to I-5 in Seattle from 11 p.m. Friday, Oct. 24, to 5 a.m. Monday, Oct 27. Caveat: Crews will reopen westbound SR 520 from 9:30 a.m. to 6 p.m. Saturday, Oct. 25 to accommodate the 12:30 p.m. UW football game. The SR 520 Trail is also closed as part of this closure under the same hours above. Eastbound SR 520 is open all weekend.

Click on image to expand

Contact Info

Email: sr520bridge@wsdot.wa.gov
SR 520 Program information line: 206-200-9484

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