Eastbound SR 520 off-ramp to Montlake Blvd. in Seattle closed nightly Sept. 2 & 3 Date: Sept. 2, 2026 to morning of Sept. 4, 2026 Time: 10 p.m. to 6 a.m. nightly Activity details: Ramp closure Impact type: NighttimeOvernightTrafficNoise Description: Crews will use these nightly closures to re-align the temporary concrete barriers along the ramp and prepare for the upcoming weeklong closure of the ramp on Sept. 12. 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 beginning at 10 p.m. until 6 a.m. nightly on Sept. 2 and 3. All traffic from I-5 that enters eastbound SR 520 during these hours will pay the SR 520 Bridge Toll. Those who do not want to pay the toll or who need to access Montlake Boulevard from I-5 must take alternate routes. Closures Westbound SR 520 off-ramp to northbound I-5 and E. Roanoke St. closed select nights Aug. 19 – Sept. 3 Eastbound SR 520 off-ramp to Montlake Blvd. in Seattle closed nightly Sept. 2 & 3 Eastbound SR 520 off-ramp to Montlake Boulevard closed around-the-clock Sept. 12 – 19 Long-term closures Weekday parking restrictions near Fuhrman Ave. for staging site begin June 15 Boyer Avenue East reduced to a single lane between East Roanoke Street and Everett Avenue East July 20 – September 25 (excluding weekends) Activities Vibratory casing installation in Portage Bay schedule: Phase of work is complete Contact Info Email: sr520bridge@wsdot.wa.gov 24-hour construction hotline: 206-319-4520
