State Route 520 logo

Mercer St. on-ramps to northbound and southbound I-5 closed overnight May 9

Date: May 9, 2024 to May 10, 2024

Time: 10 p.m. Thursday to 5 a.m. Friday

Activity details:

  • check mark icon Ramp closure
  • check mark icon Nighttime
  • check mark icon Overnight

Impact type:

  • check mark icon Traffic
  • check mark icon Noise

Description: Crews will install a new sign bridge over the Mercer St. on-ramps to northbound I-5.

Traffic: The Mercer Street on-ramps to northbound and southbound Interstate 5 will close for construction beginning at 10 p.m. Thursday, May 9 through 5 a.m. Friday, May 10. Signed detours will be in place.

Contact Info

Email: sr520bridge@wsdot.wa.gov
24-hour construction hotline: 206-316-2559

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