Construction Updates About the South Spokane Street Viaduct

Updated Work Schedule for September 19-23, 2024

We are continuing our work this week on the South Spokane Street Viaduct Deck Rehabilitation. However, the Spokane St Swing Bridge (also known as the West Seattle Low Bridge) is currently closed to motor vehicles as Seattle Department of Transportation (SDOT) crews continue to repair damage from a car crash on the evening of September 14. This ongoing closure could affect our schedule moving into the weekend.

If the Low Bridge is still not working by this weekend, our schedule between Friday and Saturday may need to change. Please pay close attention to the schedule layout below, which is organized by the direction of lanes impacted, as opposed to dates:

Eastbound Closures/Restrictions

Eastbound Right Lane Restrictions

7 PM Thursday, Sept 19, 2024 until 6 AM Friday, Sept 20, 2024

• The right eastbound lanes will be closed

  • 1st Ave S Off Ramp will remain open

  • 4th Ave S Off Ramp will remain open

Eastbound Left Lane Restrictions

4:30 PM Saturday, September 21, 2024 until 6 PM:

• The left eastbound lanes will be closed

  • 1st Ave S Off Ramp will remain open

  • 4th Ave S Off Ramp will be closed

  • The Eastbound route to the SR-99 (northbound) Ramp will remain open

Eastbound Full Lane Closure

6 PM Saturday, September 21, 2024 until 5 AM Monday, Sept 23, 2024

• All eastbound lanes will be closed

  • 1st Ave S Off Ramp will be closed

  • 4th Ave S Off Ramp will be closed

  • The Eastbound route to the SR-99 (northbound) Ramp will remain open

Westbound Closures

^{*These scheduled closures are dependent upon the Spokane Street Swing Bridge/Low Bridge being functional again.}

10 PM Friday, September 20, 2024 until 4 PM Saturday, Sept 21, 2024

Dates and Times of Lane Reductions

• All westbound lanes will be closed
  • All Westbound lanes on the S Spokane St Viaduct from I-5 Interchange to SR 99 will be closed
  • The S Columbian Way Off Ramp to westbound Spokane Viaduct will be closed. However, the ramp to Lower Spokane St will remain open
  • The northbound I-5 Off Ramp to westbound lanes of the Spokane Viaduct will be closed. However, the ramp to Lower Spokane St will remain open
  • The southbound I-5 Off Ramp to the westbound lanes of the Spokane Viaduct will be closed. However, the ramp to S Columbian Way will remain open
  • 1st Ave S Off-Ramp will be closed
  • 1st Ave S On-Ramp will be closed
  • The Port of Seattle Terminals 5-18/Harbor Island/11th Ave SW Off-Ramp will be closed

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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