Eastbound SR 520 between I-5 and Montlake Blvd. closed overnight Aug. 8 Date: August 8, 2026 to August 9, 2026 Time: 7 p.m. Saturday to 11 a.m. Sunday Activity details: Full highway closure Impact type: OvernightTrafficNoise Description: Crews will use the closure to repair an expansion joint on the bridge. This work is part of the SR 520 Portage Bay Bridge and Roanoke Lid Project. Traffic: Eastbound SR 520 between I-5 and Montlake Boulevard will close for construction beginning at 7 p.m. on Saturday, Aug. 8, until 11 a.m. on Sunday, Aug. 9. All traffic from I-5 wanting to head eastbound on SR 520 must use alternate routes. Please note, eastbound SR 520 is open across Lake Washington. It is only the section of eastbound SR 520 between I-5 and Montlake Boulevard that will close. Closures Montlake Blvd. between E. Louisa St. and E. Roanoke St. reduced to one lane in each direction July 22-24 Eastbound SR 520 between I-5 and Montlake Blvd. closed overnight Aug. 8 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 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 Sundays) Single lane on eastbound SR 520 between I-5 and Montlake Blvd. closed nightly July 22 – September 1 (excluding Sundays) Activities Vibratory casing installation in Portage Bay schedule: Week of July 20-26 Contact Info Email: sr520bridge@wsdot.wa.gov 24-hour construction hotline: 206-319-4520
