Construction Updates About the South Spokane Street Viaduct

Updated Work Schedule for September 9-12, 2024

We are making excellent progress on the South Spokane Street Viaduct Deck Rehabilitation. Here are the details you need to know for our upcoming work:

Construction Schedule and Lane Reductions

Dates and Times of Lane Reductions

• September 9-12, 2024:
  • All eastbound lanes will remain open
  • Two westbound lanes will be closed from 8 PM each night until 7 AM the next morning
  • One lane will remain open so that drivers can exit via:
    • 1st Ave Off Ramp
    • Harbor Island
    • Off-ramp to Lower Spokane Street
      • Drivers will continue west using the South Spokane St Swing Bridge

• September 13-16, 2024:
  • The are NO planned lane restrictions this weekend

What You Can Do

Plan Ahead: Use alternative routes and allow extra travel time.

• • Weeknight Lane Reductions (Sept 9-12, 2024):
    • If traveling northbound on I-5 and going toward West Seattle, take Exit 163. Remain on the one open lane on the Viaduct. Then enter Lower Spokane St. (i.e., the surface street). From there, use the West Seattle Low Bridge (a.k.a. Spokane St Swing Bridge) to reach West Seattle
      • If traveling to Harbor Island, take the exit toward "Port of Seattle Terminals 5-18/Harbor Island/11th Ave SW"
      • Drivers can also use the SB 99 on-ramp to enter the West Seattle Bridge during this time

How This Affects You

For Residents:

• Expect Delays: There may be delays due to lane closures. Please plan your travel accordingly.
• Noise: There could be some noise from construction activities, especially at night.

For Business Owners:

• Delivery Adjustments: If you have deliveries scheduled during these times, please inform your delivery service about the lane closures.
• Customer Access: Inform your customers about the construction and advise them to use alternative routes if possible.

You can also follow us on social media and check our website for updates.

Thank you for your understanding and patience. We are working hard to complete this project as quickly and safely as possible. If you have any questions or need more information, please contact us at SpokaneViaduct@seattle.gov. 

Best regards,

Matthew Howard

Outreach and Engagement Specialist

South Spokane Street Viaduct Deck Rehab

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