Delmar Drive East between E. Roanoke St. and 11th Ave. E. closed nightly Aug. 12-13 & Aug. 17-19 Date: Aug. 12, 2026 to Morning of Aug. 14, 2026 Time: 10 p.m. to 6 a.m. nightly on Aug. 12 and 13. Activity details: Street and lane closure Impact type: OvernightTrafficNoise Description: Crews will use these closures to restripe the roadway and adjust barriers around the work zone. This work is part of the SR 520 Portage Bay Bridge and Roanoke Lid Project. Traffic: Both directions of Delmar Drive East between East Roanoke Street and 11th Avenue East will close for construction beginning at 10 p.m. until 6 a.m. nightly on August 12 and 13 and then again on the nights of Aug. 17-19. Signed detours will be in place. Local access will be maintained for residents living near the closure area. Closures Westbound SR 520 between Montlake Blvd. and I-5 closed nightly Aug. 10-13 Eastbound SR 520 off-ramp to Montlake Blvd. closed nightly Aug. 11 & 12 Delmar Drive East between E. Roanoke St. and 11th Ave. E. closed nightly Aug. 12-13 & Aug. 17-19 Montlake Blvd. closed between E. Hamlin St. and E. Louisa St. around-the-clock Aug. 21-24 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 1 (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