ALERT: Learn more about major Portage Bay construction efforts

View the weekly vibratory casing installation schedule (Last updated July 20, 2026)

Eastbound SR 520 off-ramp to Montlake Blvd. closed nightly Aug. 11 & 12

Date: August 11, 2026 to August 13, 2026

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

Activity details:

Ramp closure

Impact type:

NighttimeOvernightTraffic

Description: Crews will use this closure to re-stripe sections of the ramp. This work is part of the SR 520 Portage Bay Bridge and Roanoke Lid Project.

Traffic: The eastbound SR 520 off-ramp to Montlake Boulevard will close for construction nightly beginning at 10 p.m. until 6 a.m. on Tuesday, August 11 and Wednesday, August 12.

All traffic from I-5 entering eastbound SR 520 will pay the SR 520 Bridge Toll during the hours this ramp is closed. Those who do not want to pay the toll or who need to access Montlake from I-5 must use alternate routes.

Contact Info

Email:  sr520bridge@wsdot.wa.gov 24-hour construction hotline: 206-319-4520