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Tom Pearce
Phone: 206-440-4696



Construction Updates for Whatcom, Skagit and Island Counties

Last updated: 8:57 a.m. Monday, Aug. 31, 2015

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: 8:46 a.m. 8/24
I-5 Nooksack River bridges - painting #8594
Mileposts: 263-264
Chris Damitio, WSDOT Project Engineer, 360-788-7400
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  • Monday, August 31 to Friday, September 4 - No closures have been reported for this week.

Last update: 10:49 a.m. 12/1
SR 539 Lynden Aldergrove Port of Entry improvements
Mileposts: 15 to 15.2 
Chris Damitio, WSDOT 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: 10:39 a.m. 8/13
SR 542  Anderson Creek Culvert #8753
Mileposts: 6.4 to 6.7
Chris Damitio, WSDOT Project Engineer, 360-788-7400
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  • Effective through September - Both directions of SR 542 at Squalicum Lake Road will close at 12:01 a.m. until late September for culvert replacement work. A signed detour will be in place.

Last update: 8:47 a.m. 8/24
SR 542 - SR 547 Intersection improvement #8594
Mileposts: 22.91
Chris Damitio, WSDOT Project Engineer, 360-788-7400
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  • Monday, August 31 to Friday, September 4 – No closures have been reported for this week.

Skagit County

Last update: 10:39 a.m. 8/20
I-5: Mount Vernon to Joe Leary Slough Paving #8689
Mileposts: 232 to 227
Dave Crisman, WSDOT Project Engineer, 360-848-7103
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  • Monday, August 31 to Friday, September 4 - No lane closures are scheduled.

Last update: 10:39 a.m. 8/13
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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  • Effective through Sept. 25 - Both directions of SR 9 at Lake Creek will be closed from 7 a.m. Monday, July 20 until late September for culvert replacement and bridge construction. A detour will be in place.

Island County

Last update: 10:47 a.m. 8/27
SR 532: Davis Slough Bridge Replacement #8623
Mileposts: 2.5 to 3.4
Shane Spahr, WSDOT Project Engineer, 360-757-5856
Get project information

  • Monday, August 31 to Friday, September 5 - No lane closures are scheduled.

Special Events

Nothing scheduled.