State Route 520 logo

Southbound I-5 off-ramp to eastbound SR 520 closed nightly Sept. 15 & 16

Date: Sep 15, 2025 to Sep 16, 2025

Time: 10 p.m. to 6 a.m. the next morning

Activity details:

  • check mark icon Ramp closure
  • check mark icon Nighttime

Impact type:

  • check mark icon Traffic

Description: Crews will use the closure for right-of-way maintenance work related to the SR 520 Portage Bay Bridge and Roanoke Lid Project.

Traffic: The southbound I-5 ramp to eastbound SR 520 will close at 10 p.m. on the nights of Monday, Sept. 15, and Tuesday, Sept. 16. The ramp will reopen by 6 a.m. each morning. There will be no access to eastbound SR 520 from southbound I-5. Please use alternate routes.

Contact Info

Email: sr520bridge@wsdot.wa.gov
24-hour construction hotline: 206-319-4520

Note: This tool is presented for planning purposes only. Construction is inherently dependent on weather and other factors, and activities are subject to change.