Three-week closure of Boyer Avenue East in Seattle begins Nov. 30

Washington State Department of Transportation sent this bulletin at 11/13/2026 11:02 AM PST
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:

Three-week closure of Boyer Avenue East begins Nov. 30

We are sharing this information now so neighbors can plan ahead for the three-week closure and understand what to expect during construction.

Starting at 7 a.m. Monday, November 30, through 5 p.m. Monday, December 21, crews will close Boyer Avenue East around the clock between East Roanoke Street and Everett Avenue East.

Crews will use this closure to build a temporary work platform needed to install drilled shafts for bridge pier 3, part of the permanent foundation for the new westbound Portage Bay bridge. Work near bridge pier 3 will begin before the closure and continue after Boyer Avenue reopens on Dec. 21.

We know that closing Boyer Avenue for three weeks will be challenging and disruptive for neighbors. However, we believe that completing this work during one extended closure offers benefits that outweigh the temporary disruption.

For more information about why we need this closure and the benefits it will provide, please visit sr520construction.com/boyer-extended-closure. Read below for more details about what to expect.

Closure area and bicycle/pedestrian access

Boyer Avenue East will be fully closed to vehicle traffic between East Roanoke Street and Everett Avenue East. Local access will be provided for Queen City Yacht Club and East Roanoke Street from the north, and the homes between Everett Avenue East and SR 520 from the south. Crews will maintain bicycle and pedestrian access through the closure area. See map below. 

Boyer Avenue East closure map

What to expect during the closure

  • General work hours: Work will occur around the clock and includes material delivery, crane assembly, piledriving and platform construction. Impact piledriving will occur during daytime hours (8 a.m. to 5 p.m. on weekdays and 9 a.m. to 5 p.m. on weekends). Please note impact piledriving hours may need to be extended.
  • Noise and vibration: Nearby neighbors will hear noise and feel vibration from construction equipment and activities. Increased noise and vibration will occur during the day when piles are being driven, and noise will occur during the night while the crane and work platform are being constructed. Crews will pre-drill holes before installing the piles when possible to reduce noise and vibration impacts.
  • Truck traffic: Boyer Avenue will continue to be used as a primary delivery route, with trucks entering and exiting the work zone from the north and south. Deliveries will be made during the day and night. When possible, crews will use the recently completed southwest trestle connection to move equipment and materials to/from the work zone. We expect less than 10 deliveries per day during this work.
  • Parking restrictions: Parking in and around the work zone will be restricted. Crews will also restrict parking at key locations along the haul route to ensure enough space for delivery trucks.

For more information about why we need this closure and its benefits, visit sr520construction.com/boyer-extended-closure. 

Signed detour routes and parking restrictions

Boyer Ave Closure Detour Routes

Signed detour routes and parking restrictions during the three-week closure of Boyer Avenue East. 

Upcoming opportunities to connect

Next online construction meeting is Thursday, Nov. 19

Join our next monthly construction meeting to learn more about the Boyer Avenue closure, the sequence of work and what to expect. 

In-person pop-up event on Friday, Nov. 20

Join us for our last in-person event of the year! Our outreach team will be at the Montlake Community Center to share what’s coming up in construction for the rest of the year and answer any questions you have.

Construction Corner roundup

  • (CANCELED) Nov. 13-16: Westbound SR 520 between Montlake Boulevard and I-5 closed around the clock
  • (CANCELED) Nov. 13-16: East Roanoke Street between 20th Avenue East and Montlake Boulevard closed around the clock
  • July 20 – Nov. 24: Boyer Avenue East reduced to a single lane between East Roanoke Street and Everett Avenue East (excludes Sundays)
  • Nov. 2 – Dec. 3: Westbound SR 520 off-ramps to northbound I-5 and East Roanoke Street closed (most weeknights)
  • Nov. 14: Delmar Drive East reduced to a single lane between East Interlaken Boulevard and 11th Avenue East during daytime
  • Nov. 30 – Dec. 21: Boyer Avenue East between East Roanoke Street and Everett Avenue East closed around the clock

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:
    • Portage Bay Project: 206-319-4520 (24-hour hotline)
    • Montlake Project: 206-200-9484, M-F 8 a.m. - 5 p.m.
  • 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.
    • Be sure to check out the Document Library for FAQ's and other resources including information for neighbors who believe their homes have been damaged by construction vibration.
  • 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 Twitter/X and BlueSky ‪to get key news and updates about the SR 520 program.
  • Share the ROTW listserv with your friends and neighbors.
  • View construction photos taken 'round the clock by our four mounted construction cameras.

Note: We combined our two SR 520 Program email lists into one. This newsletter will focus on Portage Bay Project construction and closures while also sharing other SR 520 updates. You can manage your preferences or unsubscribe anytime.

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