I-90 & SR 520 construction

Last update: 10:55 a.m. Friday, Aug. 14

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

I-90

I-90 Maintenance

Highway: I-90    Region: Northwest    County: King    
Contact: DiAngelea Millar, Communications, 206-440-4452
Description: WSDOT maintenance crews will make repairs on I-90. 
Work schedule:

  • Monday, August 17 to the morning of Thursday, August 20 – Two lanes of westbound I-90 after 256th Avenue SE will close from 9:30 p.m. to 5 a.m. nightly.

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, August 17 to the morning of Friday, August 21 – The Rainier Avenue on-ramp to eastbound I-90 will close from 7 p.m. to 4 a.m. nightly.

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 SE HOV on-ramp to westbound I-90 is closed.

I-90 Et Al Ramp Meter Enhancement​ - #9459

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 8.35
Contact: Evelyn Pao, Project Engineer, 425-495-1577
Description: WSDOT crews work on Mercer Way ramp meter.

Work schedule

  • Monday, August 10 to the morning of Thursday, August 13 – The East Mercer Way on-ramp to eastbound I-90 will close from 9 a.m. to 3 p.m. daily.

City of Bellevue - I-405 to 132nd Ave SE - Mountains to Sound Greenway Trail

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 9.95
Contact: Chris Masek, City of Bellevue Project Manager, 425-452-4619
Description: City of Bellevue contractor crews are building a pedestrian/bicycle path over Factoria Boulevard and installing additional lanes on the eastbound I-90 off-ramp to Factoria Boulevard.
Project webpage
Work schedule:

  • Monday, August 17 to the morning of Friday, August 21 – The eastbound I-90 off-ramp to Factoria Boulevard will close from 9 p.m. to 5 a.m. nightly.

Eastgate to SR 900 Corridor Improvements - #9429

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 11.55 - 15.52
ContactJames Harper, Project Engineer, 206-768-5862
Description: WSDOT contractor crews are adding capacity on both directions of I-90 between the Eastgate and West Lake Sammamish Parkway interchanges, by restriping the existing roadway and creating auxiliary lanes. Crews are also constructing noise walls in strategic locations within the project area to minimize traffic noise.
Project webpage
Work schedule:

  • Thursday, August 13 to the morning of Saturday, August 15 – One right lane on eastbound I-90 between 150th Avenue and SR 900 will close from 9 p.m. to 5 a.m.
  • Monday, August 17 to the afternoon of Saturday, August 22 – The left lane on eastbound I-90 between 150th Avenue and SR 900 will close from 5 a.m. to 2 p.m. daily.
  • Monday, August 17 to the afternoon of Friday, August 21 – The right lane on westbound I-90 between SR 900 and 150th Avenue will close from 10 a.m. to 5 p.m. daily.
  • Thursday, August 20 to the morning of Friday, August 21 – Three lanes on eastbound I-90 between 150th Avenue and SR 900 will close from 8 p.m. to 5 a.m.
  • Friday, August 21 to the morning of Saturday, August 22 – A lane on eastbound I-90 between 150th Avenue and SR 900 will close from 9 p.m. to 5 a.m.

I-90/SR 18 Interchange Auxiliary Ramp - #9476

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 25.34 - 25.67
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are modifying the existing Snoqualmie Parkway/SR 18 on-ramp to westbound I-90.
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: The Montlake Project is the first stage of the SR 520 Bridge Replacement and HOV Program that will make key improvements to the Montlake area.
    Project webpage
    Work schedule:

    • Friday, August 20 to the morning of Monday, August 24 – Both directions of SR 520 between NE 92nd Avenue to Montlake Boulevard will close from 11 p.m. to 5 a.m.

    Eastside NE Points Drive and 92nd Ave Slide Repair - #9058

    Highway: SR 520    Region: Northwest    County: King    Location: Milepost 5.17
    Contact: Shane Spahr, Project Engineer, 360-848-7103
    Description: Contractor crews are repairing an overlay at the 92nd Avenue Northeast Kiss-and-ride and stabilizing the slope below NE Points Drive. 
    Work schedule:

    • No lane or ramp closures are scheduled.

    Sound Transit's East Link Extension - E360, E130

    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, August 12 to the morning of Saturday, August 15 – The eastbound SR 520 off-ramp to NE 40th Street will close from 10 p.m. to 5 a.m.
    • Wednesday, August 12 to the morning of Saturday, August 15 – The 148th Avenue NE on-ramp to eastbound SR 520 will close from 10 p.m. to 5 a.m. nightly.
    • Wednesday, August 12 to the morning of Saturday, August 15 – The left two lanes of eastbound SR 520 between 148th Avenue NE and NE 40th Street will close from 10 p.m. to 5 a.m. nightly.
    • Thursday, August 20 to the afternoon of Saturday, August 22 – Two lanes of westbound SR 520 between NE 40th Street and 148th Avenue NE will close from 10 p.m. to 5 a.m. nightly.
    • Tuesday, August 18 to the morning of Thursday, August 20 – Two lanes of eastbound SR 520 between 148th Avenue NE and NE 40th Street will close from 10 p.m. to 5 a.m. nightly.

    RTS Microsoft Pedestrian Bridge

    Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 10.14
    Contact: Jay Cooper, WSDOT Regional Transit Coordination, 206-716-1102
    Description: Microsoft contractor crews are constructing a pedestrian bridge to the Microsoft campus.
    Project webpage.
    Work schedule:

    • Monday, August 17 to the morning of Saturday, August 22 – Two lanes of westbound SR 520 between NE 40th Street and 148th Avenue NE will close from 10 p.m. to 5 a.m. nightly.

    SR 520 maintenance

    Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 10-12
    Contact: Eric Dawson, City of Redmond Project Engineer, 425-556-2867
    Description: City of Redmond will repave on-off ramps to and from SR 520.
    Project webpage
    Work schedule:

    • No lane or ramp closures are scheduled.

    Sound Transit's Redmond Link Extension - R200

    Highway: SR 520    Region: Northwest    County: King    Location: Milepost(s) 12.19 - 12.83
    Contact: Ryan Bianchi, Sound Transit, 206-398-5070
    Description: Sound Transit crews are constructing the Redmond Link light rail extension from Bellevue to Redmond.
    Project webpage
    Work schedule:

     

    • Monday, August 17 to the morning of Tuesday, August 18 – The right lane of eastbound SR 520 between NE 40th Street and NE 60th Street will close from 9 p.m. to 6 a.m. nightly.
    • Monday, August 17 to the morning of Tuesday, August 18 – The eastbound SR 520 between off-ramp to NE 51st Street will close from 9 p.m. to 6 a.m. nightly.
    • Tuesday, August 18 to the morning of Wednesday, August 19 – The right lane of eastbound SR 520 between NE 40th Street and NE 51st Street will close from 9 p.m. to 6 a.m. nightly.
    • Tuesday, August 18 to the morning of Wednesday, August 19 – The eastbound SR 520 off-ramp to NE 51st Street will close from 9 p.m. to 6 a.m. nightly.
    • Wednesday, August 19 to the morning of Thursday, August 20 – The right lane of eastbound SR 520 NE 51st Street and NE 60th Street will close from 9 p.m. to 6 a.m. nightly.