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Construction on I-90 & SR 520

Last update: 11:30 a.m. Monday, June 26

This information changes frequently. Please check back often. Travelers can also call 5-1-1 for real-time traffic and weather updates.

| I-90 | SR 520 |

I-90

Express Lanes Schedule Changes

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 1.99 8.90

  • The I-90 express lanes are permanently closed to allow construction of Sound Transit's East Link light rail extension from Seattle to Redmond.
Two-Way Transit and HOV Operations (Stage 3) - #8662 

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 2.48 9.28
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT and Sound Transit contractor crews are adding HOV lanes to both directions of I-90 between Seattle and Bellevue and preparing the center roadway for East Link light rail.
Project webpage
Work schedule: 

  • Until Further Notice – Flammable cargo is prohibited from traveling in both directions of I-90 inside the Mount Baker and Mercer Island Lid tunnels until further notice.
  • Monday, June 26, to the morning of Wednesday, June 28 - Two right lanes of westbound I-90 at East Mercer Way will be closed from 9 p.m. to 5 a.m. nightly. This work is weather dependent.
  • Monday, June 26, to the morning of Wednesday, June 28 - The westbound I-90 off- and on-ramps at East Mercer Way will be closed from 9 p.m. to 5 a.m. nightly. This work is weather dependent.
  • Monday, June 26, to the morning of Tuesday, June 27 - Two right lanes of eastbound I-90 at Rainier Avenue will be closed from 9 p.m. to 5 a.m.
  • Tuesday, June 27, to the morning of Wednesday, June 28 - Two left lanes of eastbound I-90 West Mercer Way will be closed from 9 p.m. to 5 a.m.
  • Tuesday, June 27, to the morning of Wednesday, June 28 - Two left lanes of eastbound I-90 at 77th Avenue Southeast will be closed from 9 p.m. to 5 a.m.
  • Wednesday, June 28, to the morning of Thursday, June 29 - Two left lanes of eastbound I-90 at I-5 will be closed from 10 p.m. to 5 a.m. This work is weather dependent.
  • Wednesday, June 28, to the morning of Thursday, June 29 - Two left lanes of westbound I-90 at East Mercer Way will be closed from 9 p.m. to 5 a.m.
  • Wednesday, June 28, to the morning of Friday, June 30 - A single lane in either direction of I-90 inside the Mercer Island Lid tunnel will be closed from 9 p.m. to 5 a.m. nightly.
  • Thursday, June 29, to the morning of Friday, June 30 - Two right lanes of eastbound I-90 at Rainier Avenue will be closed from 9 p.m. to 5 a.m.
  • Thursday, June 29, to the morning of Friday, June 30 - The right lane of eastbound I-90 at Rainier Avenue will be closed from 9 p.m. to 5 a.m.
Sound Transit's East Link Extension - E320

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 9.14
Contact: Jason Hampton, Sound Transit, 206-903-7177
Description: Sound Transit crews are constructing the East Link Light Rail extension from Seattle to Redmond.
Project webpage
Work schedule:

  • Monday, June 26, to the morning of Friday, June 30 - The Bellevue Way HOV on-ramp to westbound I-90 will be closed from 6 a.m. to 3 p.m. daily.
  • **HIGH IMPACT** Saturday, July 1, to Sunday, July 2 - The Bellevue Way on and off-ramps at I-90 will be closed from 7 a.m. Saturday to 9 p.m. Sunday.
Bellevue FHWA Bridge Inspection Work

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 9.14
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews are performing FHWA Mandated Bridge Inspection work on I-90 in Bellevue.
Work schedule:

  • Saturday, July 1 - The HOV lane of eastbound I-90 at Bellevue Way will be closed from 5 to 9 a.m.
  • Saturday, July 1 - The HOV lane of westbound I-90 at Bellevue Way will be closed from 9:30 to 11:30 a.m.
  • Sunday, July 2 - The right lane of eastbound I-90 between Bellevue Way and I-405 will be closed from 7 to 9 a.m.
  • Sunday, June 2 - The right lane of westbound I-90 between I-405 and Bellevue Way will be closed from 9 to 10 a.m.
  • Saturday, June 8 - The left lane of eastbound I-90 between Bellevue Way and I-405 will be closed from 5 to 10 a.m.
  • Saturday, June 8 - The right lane of westbound I-90 between I-405 and Bellevue Way will be closed from 5 to 10 a.m.
N Fork Issaquah Creek Fish Passage - #9040

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 17.05 - 17.18
Contact: Dave Lindberg, Project Engineer, 425-225-8725
Description: WSDOT contractor crews are realigning North Fork Issaquah Creek near East Lake Sammamish Parkway.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.
West Approach Bridge North - #8625

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 0.88 – 3.04
Contact: Steve Strand, Project Engineer, 206-770-3565
Description: The West Approach Bridge North Project is the latest phase of construction of the SR 520 Bridge Replacement and HOV Program and will extend SR 520's three westbound lanes from the new floating bridge to the Montlake area in Seattle.
Project webpage
Work schedule:

  • Monday, June 26, to the morning of Friday, June 30 - Two right lanes of westbound SR 520 on the floating bridge will be closed from 9 p.m. to 6 a.m. nightly.
Evergreen Point Floating Bridge and Landings Project - #8066

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 3.83 – 4.59
Contact: Steve Peer, Communications, 206-770-3531
Description: The SR 520 Floating Bridge and Landings project will replace the old SR 520 floating bridge and approaches from the future west approach structure east of Foster Island in Seattle to Evergreen Point Road in Medina.
Project webpage
Work schedule:

  • Monday, June 26, to the morning of Thursday, June 29 - The right lane of eastbound SR 520 between Evergreen Point Road and 84th Avenue Northeast will be closed from 9 p.m. to 5 a.m. nightly.
Sound Transit's East Link Extension - E360

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 7.00 - 9.50
Contact: Ryan Bianchi, Sound Transit, 206-398-5070
Description: Sound Transit crews are constructing the East Link light rail extension from Bellevue to Redmond.
Project webpage
Work schedule:

  • Wednesday, June 28, to the morning of Friday, June 30 - The 148th Avenue Northeast on-ramp to eastbound SR 520 will be closed from 10 p.m. to 5 a.m. nightly.
  • Wednesday, June 28, to the morning of Friday, June 30 - The right lane of eastbound SR 520 between 148th Avenue Northeast and Northeast 40th Street will be closed from 10 p.m. to 5 a.m. nightly.
  • Wednesday, June 28, to the morning of Friday, June 30 - The eastbound SR 520 off-ramp to Northeast 40th Street will be closed from 10 p.m. to 5 a.m. nightly.