State Route 520 logo

Single lane on westbound SR 520 between Montlake Blvd. and I-5 closed daily Oct. 13-16

Date: Oct 13, 2025 to Oct 16, 2025

Time: 11 a.m. to 2 p.m. daily

Activity details:

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

Impact type:

  • check mark icon Traffic
  • check mark icon Noise

Description: Crews will use this lane closure to work on future support beams for the SR 520 Portage Bay Bridge and Roanoke Lid Project.

Traffic: A single left lane on westbound SR 520 between Montlake Blvd. and I-5 in Seattle will close for construction daily from 11 a.m. until 2 p.m. The westbound ramps to I-5 and East Roanoke Street will remain open, but drivers should be mindful of additional merging requirements while traveling through the area.

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.