Southbound I-5 off-ramp to eastbound SR 520 closed overnight Oct. 14 Date: Oct. 14, 2026 to morning of Oct. 15, 2026 Time: 10 p.m. to 6 a.m. Activity details: Ramp closure Impact type: OvernightTrafficNoise Description: Crews will use this closure to install temporary barrier. This work is part of the SR 520 Portage Bay Bridge and Roanoke Lid Project. Traffic: The southbound I-5 off-ramp to eastbound SR 520 will close for construction beginning at 10 p.m. on Oct. 14. The ramp will reopen at 6 a.m. the following morning. During this time, all southbound I-5 traffic wanting to access eastbound SR 520 will need to use alternate routes. Closures Eastbound SR 520 off-ramp to Montlake Boulevard closed nightly Oct. 12-15 Westbound SR 520 off-ramp to northbound I-5 and East Roanoke Street closed nightly Oct. 5-8, Oct. 19-22, & Oct. 26-29 Boyer Ave. E. between E. Roanoke St. and Everett Ave. E. closed nightly Oct. 12-15 Montlake Boulevard on-ramp to westbound SR 520 closed nightly Oct. 13-14 Southbound I-5 off-ramp to eastbound SR 520 closed overnight Oct. 14 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 – Oct. 23 (excluding weekends) Activities Portage Bay piledriving schedule: Week of Oct. 12-18 Contact Info Email: sr520bridge@wsdot.wa.gov 24-hour construction hotline: 206-319-4520
