State Highway Construction 9/20 to 9/26

The following is a summary of road construction and maintenance scheduled on state highways around Mason County and adjacent areas from September 20, 2020 to September 26, 2020.

US 101 – Coffee Creek – Remove Fish Barrier
Highway: US 101 Region: Olympic County: Mason Location: Milepost(s) 346.8
Description:  Crews are finalizing work on the Coffee Creek fish barrier removal project. All work is expected to be complete by early November. 
Work Schedule:  See below:

Occasional weekday one-way alternating traffic on Shelton-Matlock Road. 

8 p.m. Monday and Tuesday, Sept. 28-29 to 6 a.m. each following day


  • Southbound US 101 exit to Shelton Matlock Road
  • Shelton Matlock Road ramp to southbound US 101

One-way alternating traffic

  • US 101 approaching Shelton-Matlock Road interchange

Highway: SR 108 Region: Olympic County: Mason Location: Milepost(s) 4.2 to 11.8
Description: Slow moving vehicle in both directions for utility work. 
Work Schedule:  8 a.m. until 4 p.m. Monday – Thursday, 21-24.

Highway: SR 302 Region: Olympic County: Mason Location: Milepost(s) 3.4
Description: One-way alternating traffic for utility work. 
Work Schedule:  9 a.m. until 3 p.m. Monday, Sept. 21. 

Highway: SR 3 Region: Olympic County: Kitsap Location: Milepost(s) 31.1 – 31.7
Description:  Crews will build a two lane bypass road while crews build a roundabout at the intersection of SR 3 and Airport Road. Before travelers are moved into the bypass road, WSDOT will temporarily reduce the speed limit from 50 mph to 30 mph between milepost 31.16 and 31.77. 
Work Schedule: 7 a.m. to 7 p.m. each Monday through Friday. 

Highway: SR 8 Region: Olympic County: Thurston Location: Milepost(s) 18 to 19
Description: Single-lane closure in both directions for environmental monitoring. 
Work Schedule: 8 a.m. until 4 p.m. Wednesday through Friday, Oct. 7-9.

SR 302 – E of Elgin Clifton Rd to SR 16 – Remove Fish Barriers, Paving and ADA Compliance
Highway: 302 Region: Olympic County: Pierce Location: Milepost(s) 10.8 to 16.9
Description: This project removes and replaces three outdated culverts under SR 302 with fish passable structures, repaves 6 miles of SR 302, and rebuilds sidewalks and ramps at the intersections of SR 302 and SR 302 (Spur) through SR 302 and 94th Avenue to comply with the Americans with Disability Act and improve access for all travelers.
Work Schedule: Drivers will see weekday, daytime construction as crews build the concrete girder bridge at Minter Creek. Previously announced Purdy Bridge deck repairs have been canceled by the contractor due to historic forecasted rain in mid to late September. The work will now occur sometime during summer of 2021.