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Construction on I-90 & SR 520

Last update: 2:35 p.m. Friday, Jan. 23, 2015

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

See closures for SR 520.

Last update: 2:35 p.m., 1/23
I-90 Express Lanes Schedule Changes
Get the regular express lanes schedule

  • No changes are currently scheduled.

Last update: 1:30 p.m., 1/15
I-90: Mercer Slough Bridge Inspection
Mileposts: 9.14
Jim Malloy, WSDOT Maintenance, 425-339-1778

  • Saturday, Jan. 24 - One lane of eastbound I-90 mainline or the collector-distributor will be closed at the Mercer Slough from 8 a.m. to 12:30 p.m. for bridge inspection.
  • Sunday, Jan. 25 - The left lane of the westbound I-90 collector-distributor will be closed at the Mercer Slough from 8 to 9:30 a.m. for bridge inspection.

Last update: 2:35 p.m., 1/23
I-90: Two-Way Transit and HOV Operations - Stage 3A #8569
Milepost: 9.14
Hien Trinh, WSDOT Project Engineer, 206-768-5601
Get Project information

  • Monday, Jan. 26 to the morning of Friday, Jan. 30 - The HOV and left general-purpose lanes of eastbound I-90 at Bellevue Way Southeast will be closed from 9 p.m. to 5 a.m. nightly for construction.

SR 520

Last update: 2:35 p.m., 1/23
SR 520: West Approach Bridge North - #8625
Mileposts: 0.88 - 3.04
Steve Strand, WSDOT Project Engineer, 206-770-3565
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  • Monday, Jan. 26 to the morning of Friday, Jan. 30 - The right lane of westbound SR 520 from the west highrise to Montlake Boulevard East will be closed from 9 p.m. to 6 a.m. nightly for work trestle deliveries and demolition removal.
  • Monday, Jan. 26 to the morning of Friday, Jan. 30 - One lane of the eastbound SR 520 off-ramp to and on-ramp from Montlake Boulevard East will be closed from 8 p.m. to 6 a.m. nightly for saw cutting, clearing and drainage work.
  • Saturday, Jan. 31 to the morning of Sunday, Feb. 1 - The right lane of westbound SR 520 from the west highrise to Foster Island will be closed from 9 p.m. to 6 a.m. for work trestle deliveries.

Last update: 2:40 p.m., 1/8
SR 520: Medina to SR 202 Eastside Transit and HOV - #7963
Mileposts: 3.98 – 6.43
Mark Allison, WSDOT Project Engineer, 425-998-5255
Get Project information    

  • No work is currently scheduled for this project.