Southbound I-5 off-ramp to eastbound SR 520 closed overnight May 6 Date: May 6, 2026 to May 7, 2026 Time: 10 p.m. Wednesday to 6 a.m. Thursday Activity details: Ramp closure Impact type: OvernightTraffic Description: Crews will use this closure to do utility work. 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 Wednesday, May 6, until 6 a.m. on Thursday, May 7. During this time, all southbound I-5 traffic wanting to access eastbound SR 520 will need to use alternate routes. Eastbound SR 520 remains open across Lake Washington. Closures today No closures today. Upcoming closures No upcoming closures. Contact Info Email: sr520bridge@wsdot.wa.gov 24-hour construction hotline: 206-319-4520
