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Travel Advisory | I-5 Express Lane closure this weekend as Northgate Pedestrian and Bicycle Bridge spans arrive

The Northgate Ped/Bike Bridge under construction in January 2021. Photo Credit: Sky Bear Media.

The I-5 Express Lanes will be closed all weekend to facilitate this delivery and construction across I-5. The express lanes are closing early (at 9:00 pm) on Friday, February 26 and will remain closed all day Saturday and Sunday. They will reopen Monday, March 1, at the usual time. 

By fall 2021, you will be able to walk, roll and bike safely above I-5 using the Northgate Ped/Bike Bridge thanks to your investment through the Levy to Move Seattle. The Northgate Link Extension is expected to open this year and the Northgate Ped/Bike Bridge is a crucial piece of an important puzzle we’re putting together with regional partners to ensure walking, rolling, and biking to the Northgate Station is easier and safer.  

This weekend, our contractor will deliver one of two final bridge spans, which have been constructed off-site. They will be stored in the median between the express ramp and I-5 northbound lanes. They will be installed over I-5 in the coming months. 

The I-5 Express Lanes will be closed all weekend to facilitate this delivery and construction across I-5. The express lanes are closing early (at 9:00 pm) on Friday, February 26 and will remain closed all day Saturday and Sunday. They will reopen Monday, March 1, at the usual time. 

A 234-ft bridge span that will go across I-5 is constructed off-site. 

At the end of March, the final bridge span will be delivered. We will alert travelers of closures related to this delivery as well. 

We’ll install handrails and 10-foot tall fence to the spans prior to lifting them in place in early May. When it’s time to install the spans, we’ll move them into place and lift them by cranes. We’ll be in touch in the coming months with information about nighttime and weekend detours related to this work. 

You can expect to read more about the Northgate Ped/Bike Bridge on our blog in the coming weeks. Stay tuned! 

For more information: 

  • Visit our Northgate Ped/Bike Bridge Project webpage 
  • Sign up for email updates to see construction progress in real time 
The Levy to Move Seattle Logo, which reads: This project is funded in part of in full by the 2015 voter-approved 9-year $930 million Levy to Move Seattle. The Levy provides funding to improve safety for all travelers, maintain our streets and bridges, and invest in reliable, affordable travel options for our growing city. Learn more at www.seattle.gov/LevytoMoveSeattle. On the right, the Levy to Move Seattle logo has the words "The Levy to Move Seattle: Your tax dollars at work" and icons representing" Seattle streetcar, a truck a bus, a car, a bike, and a person walking.