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Tom Pearce
Phone: 206-440-4696



Construction Updates for Whatcom, Skagit and Island Counties

Updated: Friday, May 22, 2015, 10:17 a.m.

This information changes frequently. Please check back often. If a state route is not listed, there are no scheduled closures at this time, although emergency closures may still occur. Travelers can also call 5-1-1 for real-time traffic and weather updates.

Whatcom County

Last update: 10:04 a.m. 5/21
I-5 Nooksack River bridges - painting #8594
Mileposts: 263-264
Chris Damitio, Project Engineer, 360-788-7400

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  • Tuesday, May 26 to the morning of Friday, May 29 - A single lane in each direction of I-5 near Main Street will be closed from 7 p.m. to 6 a.m. nightly for bridge painting.
  • Saturday, May 30 to the morning of Sunday, May 31 - A single lane in each direction of I-5 near Main Street will be closed from 7 p.m. to 6 a.m. for bridge painting.

Last update: 10:49 a.m. 12/1
SR 539 Lynden Aldergrove Port of Entry improvements
Mileposts: 15 to 15.2 
Chris Damitio, project engineer, 360-788-7400

  • Work on this project is complete until the first quarter of 2016.

Last Update: 1:54 p.m. 10/23
SR 539: Border crossing
Milepost: 15
Canada Border Services Agency

  • Effective through Winter 2016: Canada Border Services Agency has made changes to its Aldergrove border crossing that could result in back-ups on SR 539. Traffic will be diverted to two lanes west of the current CBSA building. Drivers should consider using the Sumas, Pacific Highway or Peace Arch border crossings to avoid delays.

Last update: 9:53 a.m. 5/21
SR 542 Ski to Sea
Mileposts: 54.60 to 25.84
Tom Pearce, WSDOT communications, 206-440-4696

  • Sunday, May 24 - Both directions of SR 542 from the Mount Baker Ski Area to Silver Lake Road will be closed from 7:30 a.m. to 11 a.m. for Ski to Sea race activities. Drivers should also expect potential delays on SR 547 at South Pass Road from 7:30 a.m. to 11 a.m. and on northbound SR 11 from Arroyo Park to Hawthorne from 1 p.m. to 6 p.m.

Skagit County

Last update: 10:18 a.m. 5/22
SR 9: Lake Creek Fish Passage #8720
Mileposts: 42.30 to 42.40
Shane Spahr, WSDOT project engineer, 360-757-5856
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  • Tuesday, May 26 to Friday, May 29 - A single lane of SR 9 near Lake Creek will be closed from 7 a.m. to 5 p.m. daily for utility relocation work. Traffic will be flagged through the closure.

Island County

Last update: 10:15 a.m. 5/14
SR 20: Coupeville Memorial Day Parade
Mileposts: 21.83
Mike Allende, WSDOT Communications, 206-440-4455

  • Saturday, May 23 - SR 20 at Main Street will be closed from 11 a.m. to 12:30 p.m. for the Coupeville Memorial Day Parade.

Last update: 10:17 a.m. 5/22
SR 532: Davis Slough Bridge Replacement #8623
Mileposts: 2.5 to 3.4
Shane Spahr, WSDOT project engineer, 360-757-5856
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  • Tuesday, May 26 to Thursday, May 28 - Drivers should expect periodic rolling slowdowns on SR 532 from Eide Road to Smith Road from 7 a.m. to 4 p.m. daily for road work.

Special events

Sunday, May 24: Ski to Sea, SR 542, SR 547 and SR 11 in Whatcom County, 7:30 a.m. to 6 p.m.