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Construction on I-90 & SR 520

Last update: 11:02 a.m. Wednesday, July 27, 2016
 
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
Contact: Justin Fujioka, Communications, 206-440-4473
Description: WSDOT uses the I-90 express lanes to assist the flow of traffic during busy travel times. These lanes are scheduled to move in the direction that will relieve the most congestion from the transportation system.
Express lanes schedule
Work schedule:

  • Sunday, July 31 - The I-90 express lanes will close at 6 a.m. then open westbound from 7 a.m. to 2 p.m. for a Seattle Sounders FC soccer match. The lanes will open eastbound by 3 p.m.
I-90: 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 website
Work schedule: 

  • **HIGH IMPACT**Sunday, July 24, to the morning of Friday, July 29 - The northbound and southbound I-5 ramps to eastbound I-90 will be closed from 11 p.m. to 5 a.m. nightly. A signed detour will be in place. This work is weather dependent.
  • Sunday, July 24, to the morning of Friday, July 29 - Two right lanes of eastbound I-90 from I-5 to the Mount Baker Tunnel will be closed from 9 p.m. to 5 a.m. nightly.
  • Sunday, July 24, to the morning of Friday, July 29 - The eastbound I-90 off-ramp to Rainier Avenue South will be closed from 9 p.m. to 5 a.m. nightly. A signed detour will be in place.
  • Monday, July 25, to the morning of Friday, July 29 - Two right lanes of eastbound I-90 at the Mercer Island Lid will be closed from 9 p.m. to 5 a.m. nightly.
  • Monday, July 25, to the morning of Friday, July 29 - Two left lanes of westbound I-90 at the Mercer Island Lid will be closed from 9 p.m. to 5 a.m. nightly.
Seattle Traffic Sensor Replacement Work

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 3.00
Contact: Justin Fujioka, Communications, 206-440-4473
Description: WSDOT's Transportation and GIS Office (TDGO) is replacing a sensor in the eastbound lanes of I-90 for its traffic recorder site.
Work schedule:

  • Monday, Aug. 1, to the morning of Tuesday, Aug. 2 - Up to two lanes of eastbound I-90 at Rainier Avenue South will be closed beginning with one lane at 10 p.m. All lanes will reopen by 4:30 a.m.
Mercer Island Fire Suppression System Repair Work

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 5.82 - 6.85
Contact: Justin Fujioka, Communications, 206-440-4473
Description: WSDOT maintenance crews are repairing a water line that feeds the fire suppression system in the tunnels on Mercer Island.
Work schedule:

  • Until further notice - Flammable cargo is prohibited from traveling in both directions of I-90 inside the Mercer Island Lid.
Mercer Island Graffiti Removal Work

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 8.84
Contact: Justin Fujioka, Communications, 206-440-4473
Description: WSDOT maintenance crews are removing graffiti on the East Channel Bridge between Mercer Island and Bellevue.
Work schedule:

  • Saturday, July 30 - The right lane of westbound I-90 from Bellevue Way Southeast to East Mercer Way will be closed from 6 to 8:30 a.m.
  • Saturday, July 30 - The right lane of eastbound I-90 from East Mercer Way to Bellevue Way Southeast will be closed from 8:30 to 11 a.m.
Regionwide Safety High Friction Surface - #8876

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 9.72 - 9.89
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are installing a high-friction surface treatment that attaches sand-like aggregate to the roadway to create a grittier road surface that gives tires extra traction in wet weather.
Work schedule:

  • **HIGH IMPACT**Friday, July 29, to the morning of Saturday, July 30 - The southbound I-405 ramp to westbound I-90 will be closed from 9 p.m. to 9 a.m. A signed detour will be in place. This work is weather dependent.
WB Mercer Slough to W Lake Sammamish Parkway - Paving - #8844

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 9.72 - 14.37
Contact: Mark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are repaving westbound I-90 between Lake Sammamish and the I-405 interchange, along with the Richards Road and West Lake Sammamish Parkway bridges and the westbound West Lake Sammamish Parkway on- and off-ramps.
Project website
Work schedule:

  • Saturday, July 23, to the morning of Friday, July 29 - Up to three lanes of westbound I-90 from Lakemont Boulevard Southeast to Bellevue Way Southeast will be closed nightly beginning with one lane at 7 p.m. All lanes will reopen by 5 a.m. There will also be various ramp closures. This work is weather dependent.
Front Street Bridge 90/66S Girder Replacement - #8813

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 17.13 - 17.17
Contact: Mark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are replacing a bridge girder damaged on March 13, 2015, when an over-height garbage truck collided with the I-90 overpass over Front Street in Issaquah.
Project website
Work schedule:

  • Monday, July 25, to the morning of Friday, July 29 - One lane in both directions of Front Street North at I-90 will be closed from 9 p.m. to 5 a.m. nightly.
  • Thursday, July 28, to the morning of Friday, July 29 - Up to two right lanes of eastbound I-90 at Front Street North will be closed beginning with the right lane at 8 p.m. All lanes will reopen by 5 a.m.
SR 202 I/C to S Fork Snoqualmie River Paving - #8819

Highway: I-90    Region: Northwest    County: King    Location: Milepost(s) 30.52 - 31.66
Contact: Mark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are repaving both directions of I-90 from South Fork Snoqualmie River to SR 202 near North Bend, installing five new concrete panels and replacing existing rumble strips.
Project website
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: 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 website
Work Schedule:

  • Monday, July 25, to the morning of Friday, July 29 - The westbound SR 520 off-ramp to Montlake Boulevard East/SR 513 will be closed from 10 p.m. to 5 a.m. nightly. A signed detour will be in place.
SR 520: 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 website
Work schedule: No lane or ramp closures are scheduled.