I-90 & SR 520 construction

Last update: 1:10 p.m. Friday, May 17

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

I-90

SB S Lucile St to Spring St Pavement Repair - #9235

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 2.54
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are replacing broken concrete panels, grinding and repaving southbound I-5 and the collector/distributor between Spring Street and South Lucile Street in Seattle.
Project webpage
Work schedule:

  • High Impact - Monday, April 29, to the morning of Tuesday, April 30 - The following ramps will close from 9 p.m. to 5 a.m., weather-dependent: 
    • The westbound I-90 ramp to southbound I-5 (pdf 293 kb).
    • The Edgar Martinez Drive/4th Avenue South on-ramp to southbound I-5.
  • High Impact - Wednesday, May 1, to the morning of Friday, May 3 - The following ramps will close from 9 p.m. to 5 a.m. nightly, weather-dependent: 
    • The westbound I-90 ramp to southbound I-5 (pdf 293 kb).
    • The Edgar Martinez Drive/4th Avenue South on-ramp to southbound I-5.
  • High Impact - Friday, May 3, to the morning of Sunday, May 5 - The following ramps will close from 10 p.m. to 8 a.m. nightly, weather-dependent:
    • The westbound I-90 ramp to southbound I-5 (pdf 293 kb).
    • The Edgar Martinez Drive/4th Avenue South on-ramp to southbound I-5.

Two-Way Transit & HOV Operations (Stage 3) - #8662

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 2.88 - 9.28
ContactAleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are performing work inside the Mount Baker and Mercer Island Lid tunnels in preparation for the Sound Transit East Link light rail extension.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

Sound Transit's East Link Extension - E130

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 2.54 - 8.84
Contact: Zack Ambrose, Sound Transit, 206-903-7176
Description: Sound Transit crews are constructing the East Link light rail extension from Seattle to Redmond.
Project webpage
Work schedule:

  • Monday, May 20, to the afternoon of Friday, May 24 – The Island Crest Way HOV on-ramp to westbound I-90 will close from 9 a.m. to 3 p.m. daily.
  • Monday, May 20, to the afternoon of Friday, May 24 – The eastbound I-90 HOV off-ramp to Island Crest Way will close from 9 a.m. to 3 p.m. daily.
  • Monday, May 20, to the afternoon of Friday, May 24 – The HOV lane of westbound I-90 at East Mercer Way will close from 10 a.m. to 2 p.m. daily.

EB Sunset Way I/C to 436th Ave SE I/C Pavement Repair - #9213

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 4.21 - 33.29
ContactAleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are repairing cracked concrete and replacing select concrete panels on eastbound I-90 between East Sunset Way in Issaquah and 436th Avenue Southeast in North Bend. 
Project webpage
Work schedule:

  • Friday, May 17, to the morning of Saturday, May 18 – One right lane of eastbound I-90 between East Sunset Way and SR 202/Bendigo Boulevard will close from 10 p.m. to 6 a.m. This work is weather dependent.
  • Friday, May 17, to the morning of Saturday, May 18 – The East Sunset Way on-ramp to eastbound I-90 will close from 10 p.m. to 6 a.m. This work is weather dependent.
  • Friday, May 17, to the morning of Saturday, May 18 – The eastbound I-90 off-ramp to High Point Way will close from 10 p.m. to 6 a.m. This work is weather dependent.
  • Friday, May 17, to the morning of Saturday, May 18 – The eastbound I-90 on- and off-ramps to and from SR 18 will close from 10 p.m. to 6 a.m. This work is weather dependent.
  • Friday, May 17, to the morning of Saturday, May 18 – The eastbound I-90 ramp to SR 202/Bendigo Boulevard will close from 10 p.m. to 6 a.m. This work is weather dependent.

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

  • Until further notice - The Bellevue Way Southeast HOV ramp to westbound I-90 will be closed.
  • Monday, May 20, to the morning of Friday, May 24 – The northbound I-405 ramp to westbound I-90 will close from 10 p.m. to 5 a.m. nightly.
  • Monday, May 20, to the morning of Friday, May 24 – The southbound I-405 ramp to westbound I-90 will close from 10 p.m. to 5 a.m. nightly.
  • Monday, May 20, to the morning of Friday, May 24 – The southbound I-405 ramp to the westbound I-90 HOV lane will close from 8 p.m. to 5 a.m. nightly.
  • Monday, May 20, to the afternoon of Thursday, May 23 – The right lane of Bellevue Way Southeast at 113th Avenue Southeast/Southeast 30th Street will close from 7 a.m. to 2 p.m. daily.

EB I-90 to SR 18 Active Warning Sign & Camera - #9282

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 23.00 - 25.73
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are installing two active warning signs and a traffic camera on eastbound I-90 in Snoqualmie.
Work schedule:

  • No lane or ramp closures are scheduled.

SR 520

West Approach Bridge North - #8625

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 0.88 - 3.04
Contact: SR 520 Bridge Replacement & HOV Program, 206-770-3554
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.
Work schedule:

  • No lane or ramp closures are scheduled.

Montlake to Lake Washington I/C and Bridge Replacement - #9015

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 0.94 – 1.56
Contact: SR 520 Bridge Replacement & HOV Program, 206-770-3554
Description: WSDOT crews are performing drill work to obtain soil samples.
Work schedule:

  • No lane or ramp closures are scheduled.

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:

  • Friday, May 17, to the morning of Saturday, May 18 – The eastbound SR 520 off-ramp to 148th Avenue Northeast will be closed from 10 p.m. to 5 a.m.
  • Friday, May 17, to the morning of Saturday, May 18 – The 148th Avenue Northeast on-ramp to eastbound SR 520 will close from 10 p.m. to 5 a.m.

City of Redmond Ramp Split

Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 10.00
Contact: John Mork, City of Redmond Project Manager, 425-556-2713
Description: City of Redmond contractor crews are splitting the eastbound SR 520 off-ramps to Northeast 40th/51st Streets.
Project webpage
Work schedule:

  • Monday, May 20, to the morning of Wednesday, May 22 – The two left lanes of eastbound SR 520 between 140th Avenue Northeast and 148th Avenue Northeast will close from 10 p.m. to 5 a.m. nightly.
  • Monday, May 20, to the morning of Thursday, May 23 – The eastbound SR 520 off-ramp to Northeast 40th Street will close from 9 p.m. to 5 a.m. nightly.
  • Monday, May 20, to the morning of Thursday, May 23 – The eastbound SR 520 off-ramp to Northeast 51st Street will close from 9 p.m. to 5 a.m. nightly.