Skip Top Navigation



  Get Connected


Sign up for e-mail updates to get the latest news on highway projects that affect you:


Contact Us

Tom Pearce
Phone: 206-440-4696



Construction Updates for Whatcom, Skagit and Island Counties

Updated: Thursday, July 30, 2015, 1:19 p.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: 1:20 p.m. 7/30
I-5 Nooksack River bridges - painting #8594
Mileposts: 263-264
Chris Damitio, Project Engineer, 360-788-7400

Get project information

  • Saturday, July 25 to the morning of Friday, July 31 - 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.
  • Tuesday, August 4 to the morning of Friday, August 7 - 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, August 9 to the morning of Sunday, August 10 - 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: 11:06 a.m. 7/9
SR 542  Anderson Creek Culvert #8753
Mileposts: 6.4 to 6.7
Chris Damitio, WSDOT project engineer, 360-788-7400
Get Project Information 

  • Tuesday, July 14 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: 6:33 a.m. 7/27
SR 542 - SR 547 Intersection improvement #8594
Mileposts: 22.91
Chris Damitio, Project Engineer, 360-788-7400

Get project information

  • Monday, July 27 to Friday, July 31 - Drivers should expect lane closures and flagging 24 hours a day on SR 542 at SR 547 for roundabout installation.

Last update: 10:41 a.m. 7/29
SR 542 - Mt. Baker filming project
Mileposts: 33.68 to 57.26
Mike Allende, WSDOT communications, 206-440-4455

  • Tuesday, July 28 to Friday, July 31 - Drivers should expect intermittent closures of up to 10 minutes at a time in both directions of SR 542 from the Glacier Creek Rest Area to Artist Point during daylight hours for a film project.
  • Monday, August 3 and Tuesday, August 4 - Drivers should expect intermittent closures of up to 10 minutes at a time in both directions of SR 542 from the Glacier Creek Rest Area to Artis Point during daylight hours for a film project.

Skagit County

Last update: 10:23 a.m. 7/29
I-5: Mount Vernon to Joe Leary Slough Paving #8689
Mileposts: 232 to 227
Dave Crisman, WSDOT project engineer, 360-848-7103
Get project information

  • Sunday, July 26 to the morning of Friday, July 31 - A single lane of southbound I-5 from Joe Leary Slough to SR 538 will be closed from 8 p.m. to 7 a.m. nightly for paving work.
  • Thursday, July 30 to the morning of Friday, July 31 - The ramps at George Hopper Road and northbound and southbound I-5 will be closed from 9 p.m. to 6 a.m. for grinding and paving work.
  • Monday, August 3 to the morning of Friday, August 7 - A single lane of southbound I-5 from Joe Leary Slough to SR 538 will be closed from 8 p.m. to 7 a.m. nightly for paving work. Drivers should also be prepared for short-term closures and detours of the ramps at George Hopper Road and College Way.

Last update: 10:16 a.m. 7/13
SR 9: Lake Creek Fish Passage #8720
Mileposts: 42.30 to 42.40
Shane Spahr, WSDOT project engineer, 360-757-5856
Get project information

  • Monday, July 20 to September 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.

Last update: 10:10 a.m. 7/29
SR 20: Frostad Road to Sharpes Corner Paving #8710
Mileposts: 36.5 to 47.8
Dave Crisman, WSDOT project engineer, 360-848-7103
Get project information

  • Sunday, July 26 to the morning of Friday, July 31 - A single lane of SR 20 between Frostad Road and Sharpes Corner will be closed from 8 p.m. to 6 a.m. nightly for pavement marking work. Flaggers will direct traffic through the closure areas.
  • Sunday, August 2 to the morning of Friday, August 7 - A single lane of SR 20 between Frostad Road and Sharpes Corner will be closed from 8 p.m. to 6 a.m. nightly for pavement marking work. Flaggers will direct traffic through the closure areas.
  • Wednesday, August 5 to the morning of Thursday, August 6 - Drivers should expect closures of up to 20 minutes on the SR 20 Deception Pass Bridge from 11 p.m. to 6 a.m. for pavement marking work.

Last update: 10:39 a.m. 7/24
SR 20: Sedro-Woolley pavement repair
Mileposts: 66.08
Mike Allende, WSDOT communications, 206-440-4455

  • Sunday, August 2 to the morning of Friday, August 7 - Drivers should expect a single lane and multiple turn-lanes of SR 20 at SR 9 to be closed from 9 p.m. to 6 a.m. for pavement repair. This work will likely only take one night though it's unclear which night the work will happen.

Island County

Last update: 10:22 a.m. 7/29
SR 20: Frostad Road to Sharpes Corner Paving #8710
Mileposts: 36.5 to 47.8
Dave Crisman, WSDOT project engineer, 360-848-7103
Get project information

  • Sunday, July 26 to the morning of Friday, July 31 - A single lane of SR 20 between Frostad Road and Sharpes Corner will be closed from 8 p.m. to 6 a.m. nightly for pavement marking work. Flaggers will direct traffic through the closure areas.
  • Sunday, August 2 to the morning of Friday, August 7 - A single lane of SR 20 between Frostad Road and Sharpes Corner will be closed from 8 p.m. to 6 a.m. nightly for pavement marking work. Flaggers will direct traffic through the closure areas.
  • Wednesday, August 5 to the morning of Thursday, August 6 - Drivers should expect closures of up to 20 minutes on the SR 20 Deception Pass Bridge from 11 p.m. to 6 a.m. for pavement marking work.

Last update: 10:34 a.m. 7/24
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, July 27 to Friday, July 31 - No lane closures are scheduled.

Special events

Nothing scheduled.