Thurston County construction and travel updates

Thurston County

This page was last updated: Friday, Aug. 16.


I-5 - Plum St to S Tacoma Way - Paving
I-5 Region: Olympic County: Thurston Location: Milepost(s) 105 to 114
Contact: Doug Adamson, 360-357-2716
Description: Crews have completed repaving sections of I-5 between Olympia and Tacoma. The project also repaired three bridges in Thurston and Pierce Counties. 
Project web page
Work Schedule: Short-term nighttime single-lane closures for striping. 

I-5 - Olympia Area Southbound - Congestion Management
I-5 Region: Olympic County: Thurston Location: Milepost(s) 109 to 105
Contact: Doug Adamson, 360-357-2716
Description: Crews will install ramp meters for southbound I-5 between Martin Way and Henderson Boulevard. WSDOT will activate the ramp meters during early fall. 
Project web page

Work Schedule: No work that will affect drivers. Project will resume during September following acquisition of materials

I-5 - SR 510 Interchange - Reconstruct Interchange
I-5 Region: Olympic County: Thurston Location: Milepost(s) 110 to 112.5
Contact: Doug Adamson, 360-357-2716
Description: Crews are converting the existing overpass into a diverging diamond interchange. All users of this interchange are strongly encouraged to sign up to receive WSDOT email updates.
Work Schedule:  See below: 

10 p.m. Friday, Aug. 16 to 6 a.m. Saturday, Aug. 17
Marvin Road on-ramp to northbound I-5 will close. A signed detour will be provided. The northbound I-5 on-ramp will reopen by 6 a.m. Tuesday, Aug. 20.

Reduced lanes ahead
During the morning of Tuesday, Aug. 20, both directions of Marvin Road at and near the overpass will have lanes reduced to one lane in each direction. This includes one northbound lane of Marvin Road approaching Quinault Drive in Lacey. The intersection of Quinault Drive/Marvin Road and northbound I-5 ramps/Marvin Road will be flagged by WSP during this time. 

This will continue until mid-November and return early in the New Year. Drivers are encouraged to plan ahead to help prevent delays. 

Single-lane closure for northbound I-5 exit to Marvin Road. One lane will remain open.

Quinault Drive NE at Marvin Road 
One of two lanes at the intersection of westbound Quinault Drive Northeast at Marvin Road/SR 510 is closed. The right lane closure will allow crews to build a new right turn lane at this intersection. Westbound Quinault Drive travelers will be able to turn left, right or go forward. 

93rd Avenue/SR 121 on-ramp to northbound I-5 improvements​
Highway: I-5 Region: Olympic County: Thurston Location: Milepost(s) 99.3
Contact: Doug Adamson, 360-357-2716
Description: Crews will make improvements to the 93rd Avenue/SR 121 on-ramp to northbound I-5, including adding a new traffic signal at the intersection. The northbound on-ramp will be reconfigured to add an additional lane.   
Work Schedule: Around-the-clock shoulder closures. 

SR 8, US 12 to W of Wilson Rd – Paving
Highway: US 101 Region: Olympic County: Thurston Location: Milepost(s) .01 to 17.2
Contact: Karen Boone, 360-570-6750
Description: Crews will repair and repave several areas of SR 8 between Elma and Summit Lake in Thurston County. Drivers can expect daytime single-lane closures. The speed limit will reduce to 35 during work activities that require single-lane closures.
Work Schedule: Expect daytime, single lane closures through early fall as crew complete all necessary repairs. 

SR 507, N of Rainier to Junction 7 - Paving
Highway: SR 507 Region: Olympic County: Thurston Location: Milepost(s) 23.70 to 43.57
Contact: Lone Moody, 253-365-6752
Description: Crews will repave the roadway from Rainier in Thurston County to SR 7 near Spanaway in Pierce County. 
Work Schedule: 7 p.m. Monday through Friday, until 5 a.m. each following day, drivers will encounter one-way alternating traffic. 


Highway: I-5 Region: Olympic County: Thurston Location: Milepost(s) 107.6 to 106.9
Contact: Jim Stack, 253-576-8266
Description: Expect overnight single and double lane closures along southbound I-5 in Lacey as crews replace damaged roadway sensors. 
Work Schedule: 8 p.m. Monday, Aug. 19 through 4 a.m. Tuesday, Aug. 20. 

Highway: US 12 Region: Olympic County: Thurston Location: Milepost(s) 38.8
Contact: Chris Ehresmann, 360-570-6749
Description: One-way alternating traffic utility work. 
Work Schedule: 7 a.m. to 4:30 p.m. each weekday through Tuesday, Aug. 23. 

Highway: SR 121 Region: Olympic County: Thurston Location: Milepost(s) 2.5 to 4.8
Contact: Jeff Hastings, 253-983-7550
Description: Single lane closures with flaggers as crews conduct vegetation management and remove hazard limbs for sightline purposes. 
Work Schedule: 8 a.m. to 4 p.m. Tuesday, Aug. 20 through Thursday, Aug. 22.