Kitsap & Mason County construction and travel updates

Kitsap County


 SR 3, SR 304, and SR 166 Region: Olympic County: Kitsap Location: Milepost(s) See below
Contact: Michele Britton, 360-874-3000
Description: Crews will repair and repave areas of the highway and make ADA improvements to sidewalk ramps along areas of SR 3 in Poulsbo, SR 304 in Bremerton, and SR 166 in Port Orchard. Drivers can expect night ramp, and lane closures. Pedestrians and bicyclists may encounter detours for ADA improvements. 
Work Schedule: See below: 

Highway: SR 3 and SR 305 Location: Milepost(s) 59 to 53.5


  • Pedestrians may encounter sidewalk detours for ADA improvements.

Highway: SR 166 Location: Milepost(s) 3.4 to 5.1
7 a.m. to 3:30 p.m. each weekday: Drivers may encounter occasional shoulder and single-lane closures. 

8 p.m. Monday and Tuesday, May 20-21, until 7 a.m. each following day:
Both roadways approaching the Bethel Avenue (State Route 166) and Mile Hill Drive roundabout will close. A signed detour will be provided via Mitchell Avenue.

Highway: SR 304 Location: Milepost(s) 1.7 to 2.6 
Each weekday:
7 a.m. to 3:30 p.m. - Shoulder closures
8 a.m. to 3 p.m. - Drivers may encounter shifted lanes to create a work zone. Crews will keep one lane open in each direction. 

Highway: SR 305 Region: Olympic County: Kitsap Location: Milepost(s) 6.8
Contact: Michele Britton, 360-874-3000
Description: Crews will repaint the SR 305 Agate Pass Bridge. During work activities, drivers will notice a reduced speed limit. The bridge will reduce to one-way alternating traffic at times during off-peak hours. One sidewalk will remain open. 
Work Schedule: Work could begin as soon as Wednesday, May 15. Crews will work into early fall 2019. Crews will complete the project during spring and summer 2020.
Project web page

Highway: Olympic Drive Region: Olympic County: Kitsap Location: Milepost(s) .01
Contact: Bainbridge Island Public Works Engineering, 206-842-2016 
Description: City of Bainbridge Island safety improvement project on Olympic Drive between the ferry terminal and the intersection of Winslow Way and SR 305.  
Work Schedule: Work will continue through August. 
Project web page


Highway: SR 305 Region: Olympic County: Kitsap Location: Milepost(s) 6.7 to 5.7
Contact: Duke Stryker, 360-874-3050
Description: Crews removed downed trees along SR 305 near the Agate Pass Bridge. The work was completed ahead of schedule. 
As a result, WSDOT has cancelled one-way alternating traffic planned Tuesday, May 21. 
Work Schedule: No further work is planned. 

Mason County


Highway: US 101 Region: Olympic County: Mason Location: Milepost(s) 352.6
Contact: Chris Ehresmann, 360-570-6749
Description: Several rolling slowdowns for both northbound and southbound US 101. Traffic will also be delayed at the SR 3 on-ramp southbound US 101 and the SR 108 on-ramp to northbound US 101. This will occur for installation of new transmission lines across US 101. 
Work Schedule: 6 p.m. to 7 p.m. Sunday, May 19.  

Highway: US 101 Region: Olympic County: Mason Location: Milepost(s) 332 to 333 
Contact: Chris Ehresmann, 360-570-6749
Description: One-way alternating traffic for utility work. 
Work Schedule: 8 a.m. to 4:30 p.m. each weekday through Wednesday, June 5.  No work Memorial Day weekend from Friday through Monday, May 24-27 or Wednesday, May 29.

Highway: SR 119 Region: Olympic County: Mason Location: Milepost(s) .08 to 10.8
Contact: Chris Ehresmann, 360-570-6749
Description: One-way alternating traffic for utility work.
Work Schedule: 8 a.m. to 4:30 p.m. each weekday through May 31. No work Memorial Day weekend from Friday through Monday, May 24-27.