State Highway Construction 8/11 to 8/17

The following is a summary of road construction and maintenance scheduled on state highways around Mason County and adjacent areas from August 11, 2019 to August 17, 2019.


US 101 – Coffee Creek – Remove Fish Barrier
Highway: US 101 Region: Olympic County: Mason Location: Milepost(s) 346.8
Description: Travelers who use the US 101 Shelton-Matlock interchange will notice orange signs and construction activities as crews will begin efforts to remove fish barriers along Coffee Creek and rebuild two ramps. Drivers are encouraged to watch for trucks entering and exiting the construction zone.  As work progresses, the project later will require a temporary traffic shift on Shelton-Matlock Road west of US 101 near the interchange. This project also will rebuild the southbound US 101 ramps to and from the Shelton-Matlock Road. 
Work Schedule: See below: 

6 a.m. to 8 p.m. each weekday through Thursday through Friday, Sept. 20.
Brief traffic stops and shoulder closures on Shelton-Matlock Road approaching US 101 interchange. No traffic effects for US 101.


Highway: US 101 Region: Olympic County: Mason Location: Milepost(s) 340 to 334
Description: One-way alternating traffic for vegetation management. 
Work Schedule: 8 a.m. to 4 p.m. Monday through Thursday, Aug. ?12-15

Highway: US 101 Region: Olympic County: Mason Location: Milepost(s) 333.8
Description: Southbound right shoulder closure for utility work. 
Work Schedule: 8 a.m. to 4:30 p.m. each Monday through Friday through Thursday, Aug. 15.

Highway: SR 108 Region: Olympic County: Grays Harbor Location: Milepost(s) 9 to 10.5
Description: Alternating traffic conditions with flaggers for mowing.
Work Schedule: 7 a.m. to 4 p.m. Monday, Aug. 12.

Highway: SR 8 Region: Olympic County: Grays Harbor Location: Milepost(s) 2 to 7
Description: Westbound single lane closure as Department of Ecology crews pick up litter.
Work Schedule: 8 a.m. to 4 p.m. Wednesday, Aug. 14 through Thursday, Aug. 15.

Highway: SR 8 Region: Olympic County: Grays Harbor Location: Milepost(s) 6.3 to 6.8
Description: Westbound single lane closure for vegetation management.
Work Schedule: 7:30 a.m. to 4 p.m. Wednesday, Aug. 14.

Special Events 
 US 101 Region: Olympic County: Mason Location: Milepost(s) 343.8
Description: Slow moving traffic in both directions for Oysterfest. 
Work Schedule: 9 a.m. to 5 p.m. Saturday and Sunday, Oct. 5-6.

More Construction

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 oudated fish barrier culverts under SR 302 with fish passable structures and repaves nearly 8 miles of highway along 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. The greatest traffic impact will be up to three weekend closures of the SR 302 Purdy Spit for bridge deck repairs scheduled for summer 2020. The bridge deck work will take place day and night. A signed detour will be in place during construction. Paving and deck repairs will require warm, dry weather conditions. Paving operations will occur overnight, when traffic volumes are less. 

Work Schedule: 

  • Beginning 7 a.m. Monday, Aug. 26 contractor crews will begin efforts to clear and establish a work zone near Minter Creek to build the bypass. Drivers should expect weekday daytime lane and shoulder closures as work progresses.