Westbound SR 520 off-ramp to southbound I-5 closed this weekend; Montlake Boulevard closed next weekend, Sept. 13-16

Washington State Department of Transportation sent this bulletin at 09/06/2024 10:18 AM PDT
There is a horizontal green band that reads Rest of the West News. Above it is the letters W S D O T. An oval on the right reads state route 520.

In this update:

Westbound SR 520 off-ramp to southbound I-5 closed this weekend – but the second lane finally reopens Sept. 9!

Since removing the second lane of the westbound SR 520 off-ramp to southbound I-5 in 2022 for the SR 520/I-5 Express Lanes Connection Project, the public has made it clear: You want this lane back.

Contractor crews will pave and finally restore that second lane during a weekend closure that starts at 9 p.m. tonight, Friday, Sept. 6, until 5 a.m. on Monday, Sept. 9.

The ramp will temporarily reopen one lane on Sunday, Sept. 8 from 10 a.m. to 3 p.m. for the Seattle Seahawks game. The ramp will then close again until the full reopening on Monday at 5 a.m.

What we’ve accomplished since removing the second lane

Crews removed the second lane to safely access the work zone for the new flyover ramp connecting SR 520 to the I-5 Express Lanes and complete construction of the new westbound to southbound ramp approach. WSDOT has worked closely with the contractor to reopen the second lane as early as possible while minimizing project delays.

This involved constructing new retaining walls and utilities and relocating the existing ramp to southbound I-5 to make room for the new flyover – all while keeping a single lane open for the traveling public.

We recognize the public’s interest in this work and will keep you posted about any potential changes to the reopening plan on our social media channels.

Montlake Boulevard closed next weekend, Sept. 13-16

Heads up! There’s big closure in Montlake next weekend. Here’s a breakdown of what’s closed:

  • Montlake Boulevard between East Hamlin Street and East Louisa Street
  • Lake Washington Boulevard between Montlake Boulevard and East Foster Island Road
  • East Roanoke Street between Montlake Boulevard and East Louisa Street
  • All SR 520 on- and off-ramps to and from Montlake, including the westbound SR 520 off-ramp to Lake Washington Boulevard

Drivers heading east on SR 520 from I-5 will need to pay a toll to cross the bridge since there’s no exit before the toll when the Montlake Boulevard ramp is closed.

A signed detour for pedestrians and bicyclists will be in place through the work area. The SR 520 Trail will be open. Local access will be maintained.

Closures will begin at 10 p.m. Friday Sept. 13, and last until 5 a.m. Monday, Sept. 16. During this closure, crews will pave and install signals.

Graphic shows map of Montlake with red closure routes and text legend on bottom top right.jpg

Pedals and Progress: Sneak peek at the new bike and pedestrian bridge

photo looking north shows progress on bike and ped bridge with an aerial view; dirt on sides with paved path down center

This aerial shot shows the progress on the new bike and pedestrian bridge over SR 520 in Montlake! This new bridge will offer cyclists and walkers a safe, scenic way to cross the highway. Stay tuned for updates on when you’ll be ready to rock and roll. Want more construction photos? Check out our Montlake Project Flickr album!

Montlake Project September online construction meeting

Our next Montlake Project monthly meeting will be held virtually at 12:30 p.m. Wednesday, Sept. 18. Join us to learn about current and upcoming construction activities, including planned street and highway closures. Register below to attend and participate in a Q&A.

Missed our August monthly meeting? You can view the presentation online (PDF 6.7MB) or watch the meeting recording on YouTube.

Construction Corner roundup

  • Aug. 29 – Sept. 27: SR 520 Trail across Lake Washington narrowed for active work zone
  • Sept. 4-6: Bill Dawson Trail between Montlake Boulevard East and East Calhoun Street closed around-the-clock
  • Sept. 6-9: Westbound SR 520 off-ramp to southbound I-5 closed Sept. 6-9
  • Sept. 4-13: Lake Washington Boulevard westbound lane closed on Sept. 4-13
  • Sept. 9-13: East Roanoke Street sidewalk between 20th Avenue East and Montlake Boulevard closed around-the-clock
  • Sept. 13-16: Montlake Boulevard, East Roanoke Street, Lake Washington Boulevard and associated ramps closed around-the-clock
  • Ongoing: Montlake Boulevard on-ramp to eastbound SR 520 closed weeknights
  • Ongoing: Portage Bay on-land drilling for soil sampling

Check out the SR 520 Construction Corner map for the most up-to-date information on closures and construction impacts

How to reach us and stay informed about SR 520 construction:

  • Call or text our project-specific construction hotlines with pressing questions or concerns related to the:
    • Montlake Project: 206-775-8885
    • SR 520/I-5 Connection Project: 206-316-2559 
    • Portage Bay Project: 206-319-4520
  • Call the SR 520 Program information line (206-200-9484, M-F 8 a.m. - 5 p.m.) with general SR 520 inquiries.
  • Email SR 520 staff with your questions about the project or construction activities.
  • Visit the SR 520 Construction Corner for the most up-to-date information on closures and construction impacts.
  • Visit the SR 520 Program website to find general information about the project.
  • Email Regina Glenn, WSDOT Megaprograms Diversity and Inclusion Manager, for more information about contracting opportunities.
  • Follow us on X/Twitter @wsdot_520 to get key news and updates about the SR 520 program.
  • View current Montlake Project construction photos, taken continuously day and night, by mounted construction cameras
  • Share the ROTW listserv with your friends and neighbors

If you have difficulty understanding English, you may request language assistance services free of charge by calling (360) 705-7090 or emailing TitleVI@WSDOT.WA.GOV.

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Thank you for signing up for the SR 520 Rest of the West news email updates. WSDOT will keep the community informed of current and planned construction activities through these updates and the tools listed above.