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Learn about current transportation network improvement and preservation activities throughout the state.
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356 results
Project
SR 204/Unnamed Tributary to Ebey Slough Fish Passage
Timeline: Spring 2022 - Winter 2026
As part of the state's fish recovery efforts, WSDOT has made it a priority to reconnect waterways where our roads act as barriers. In western Washington, that means building hundreds of fish passable structures under state highways in the next decade to create habitat gain essential for…
Project
SR 241 - Mabton Vicinity - Retrofit Bridges
Timeline: Summer 2023 - Late Fall 2024
This project removed the weight restrictions and restored the structural integrity of the Mabton area bridges. The slough bridge was replaced, and the bridge over the Yakima River was retrofitted and repaired.
Project
SR 25 - Emergency Culvert Replacement - Complete October 2024
Timeline: June 2024 - August 2024
This project will remove and replace a failed culvert and reconstruct the existing roadway embankment approximately two miles north of Hunters on State Route 25 that failed in April of 2023 after a major rainfall.
Project
SR 26 & I-90 – Eastern Region 2024 Bridge Repair
Timeline: June 2024 - September 2024
This project will rehabilitate the concrete bridge decks on a pair of bridges in Adams County. The first bridge is located on eastbound I-90 that crosses over SR 21 approximately 15 miles west of Ritzville. The second structure is located on SR 26 that crosses over an abandoned railroad just…
Project
SR 26 - SR 261 to Colfax - Rumble Strips Installation - Complete July 2023
Timeline: May 2023 - June 2023
This project improves safety along State Route 26 in Whitman County by installing shoulder rumble strips. There is a documented history of fatal and serious injury, single-vehicle, run-off-the-road crashes at these locations. Engineering analysis indicates that the installation of shoulder rumble…
Project
SR 26 and First Avenue intersection - Safety Improvement
Timeline: June 2025-October 2025.
The project will install a compact roundabout at the intersections of SR 26 and First Avenue. The I2 crash prevention program for systemic treatment at intersection selected this location for a compact roundabout due to existing crash patterns.
Project
SR 26 Dusty to Colfax - Add Climbing Lanes - Complete October 2024
Timeline: June 2022 - September 2024
This project will create three truck climbing lanes, or passing lanes, for vehicles who travel along SR 26 between Dusty and Colfax in Whitman County. One climbing lane will be built westbound and two will be built eastbound on SR 26. The Washington legislature approved the addition of a fourth…
Project
SR 26 – 1st Avenue
Timeline: June 2023 - Fall 2025
This project will install a compact roundabout at the intersection of SR 26 and 1st Avenue. This intersections was selected due to existing crash patterns.
This roundabout will increase the safety and mobility of this intersection. The current configuration has many turning…
This roundabout will increase the safety and mobility of this intersection. The current configuration has many turning…
Project
SR 26 – Dusty to Colfax – Add fourth climbing lane
Timeline: June 2024 - September 2024
This project will create a fourth truck climbing lane, or passing lane, for vehicles who travel along SR 26 between Dusty and Colfax in Whitman County. Three climbing lanes were constructed on this section of SR 26 between 2022 and 2023. The Washington legislature approved the addition of a fourth…
Project
SR 270 – Bishop Blvd. to Idaho State Line - Paving - Complete September 2023
Timeline: Spring 2023 - Summer 2023
This project will rehabilitate roughly 6 miles of SR 270 from Bishop Blvd. to the Idaho State Line in Whitman County. Once the project is completed by removing the surface of the existing pavement, repairing portions of the pavement through crack sealing, paving with Hot Mix Asphalt (HMA), and…
Project
SR 28 White Trail Rd. Roundabout - Complete June 2023
Timeline: 2020- Fall 2023
This project improved safety by constructing a roundabout at the intersection of SR 28 and White Trail Rd. west of the City of Quincy.
Project
SR 28 - East Wenatchee Corridor Improvements
Timeline: Spring 2020 - Winter 2029
The East Wenatchee Corridor Improvement project will enhance safety and mobility along Sunset Highway in East Wenatchee between 9th Street and Hadley Street. This project includes Phases 3 & 4 of the larger “Eastside Corridor Project” to improve north-south mobility through East Wenatchee.…
Project
SR 282 Nat Washington Blvd - Safety Improvement
Timeline: June 2026-September-2026
This project will install a compact roundabout at the intersection of SR 282 and Nat Washington Way, to enhance safety and reduce collisions. Installing a roundabout has proven safer than the existing turns and safer than installing traffic signals.
Project
SR 290 - Spokane River East Trent Bridge - Complete July 2023
Timeline: June 2020 - July 2023
The East Trent Bridge spanning over the Spokane River near Gonzaga University campus is due for replacement. Crews will demolish and rebuild the structure which has stood since 1910.
Project
SR 3 - Chico Creek - Remove Fish Barriers
Timeline: Fall 2021 - Fall 2024
This project is part of WSDOT's ongoing Fish Passage Barrier Removal Program where construction projects remove barriers to fish. The Chico Way/SR 3 interchange has several barriers to fish under both directions of SR 3 and under the highway's southbound on- and off-ramps. This…
Project
SR 3 - Freight Corridor - New Alignment
Timeline: Summer 2026 - Winter 2028
Crews will create a new route for SR 3 while maintaining the existing state highway through Belfair as a business loop. The proposed 6-miles of new highway would provide a new option for drivers to travel around and not through Belfair. The new portion of SR 3 is a Limited Access Corridor. A…
Project
SR 3, SR 16 and SR 166, Gorst Vicinity - Remove Fish Barriers
Timeline: 2026 - 2029
This project will remove barriers to fish migration under State Route 3, SR 16 and SR 166 in Kitsap County. New bridges or larger culverts will replace five outdated culverts. Work includes construction of a roundabout at the SR 3, SR 16 and West Sam Christopherson Avenue intersection.
Project
SR 3/SR 304 to SR 303 - Paving - Complete October 2023
Timeline: July 2023 - October 2023
Workers repaved sections of northbound SR 3 between Bremerton and Silverdale. Repairs also were made at five bridges.
Project
SR 302 - E of Elgin Clifton Rd to SR 16 - Remove fish barriers, paving and ADA compliance
Timeline: Spring 2019 - Fall 2022
In summer 2022, our contractor began fish barrier corrections to replace two outdated culverts at Little Minter Creek under State Route 302. Since 2019, crews have completed paving and ADA ramp work for eight miles of SR 302 in addition to correcting three identified barriers to salmon and resident…
Project
SR 302/Victor Creek - Remove Fish Barrier
Timeline: Spring 2025 - Fall 2025
As part of WSDOT's efforts to remove barriers to fish, this project addresses a barrier to fish under SR 302 near Victor Creek
Project
SR 305 Agate Pass Bridge Annual Maintenance
Timeline: February 18-21, February 24-27
There's a lot of work that needs to be done to keep bridges in good working order. This includes regular cleaning and inspection of the Agate Pass Bridge. The bridge, on SR 305, connects Bainbridge Island to the Kitsap Peninsula. We clean the bridge every February to keep dirt and grime from…
Project
SR 305/Murden Creek - Remove Fish Barrier - Completed November 2023
Timeline: August 2022 - November 2023
This project removed barriers to fish under SR 305 on Bainbridge Island. A culvert was replaced with a new bridge. The work opened almost 1.5 miles of potential habitat on Murden Creek. The creek is a top salmon stream on Bainbridge Island and is a tributary to Murden Cove.
Project
SR 305/Sam Snyder Creek – Remove Fish Barrier
Timeline: October 2023 - Spring 2025
This project will remove two existing 270-foot-long, 36-inch-diameter concrete pipe culverts on State Route 305 outside of Poulsbo at the Sam Snyder Creek crossing and replace them with a single 239-foot-long steel girder bridge. General work activities include: clearing and grubbing, earthwork…
Project
SR 305/West Port Madison, Agatewood Rd, Adas Will Ln – Safety Improvements - Completed November 2024
Timeline: October 2023 - November 2024
WSDOT built two modern roundabouts on Bainbridge Island at the intersections of SR 305 and Northeast West Port Madison Road/Northeast Seabold Road and SR 305 and Northeast Adas Will Lane. The improvements included curbing and a center median at Agatewood Road Northeast which permanently makes that…
Project
SR 4 - Skamokawa Vic to 0.3 Miles West of SR 432 - Chip Seal and Highway Modifications - Complete July 2022
Timeline: May 2021 - July 2022
In summer 2021, contractor crews working for WSDOT resurfaced roughly a 25-mile stretch of State Route 4, between Skamokawa and State Route 432 near west Longview, between mileposts 29.77 to 54.98. Project work and highway modifications continued during the 2022 construction season and is now…
Project
SR 401 - 2.3 Miles S. of Bean Creek Bridge - Slope Stabilization
Timeline: February 2021 - Fall 2024
On Tuesday, Feb. 23, 2021, due to roadway settlement caused by heavy rainfall, both directions of State Route 401 (also known as the Lewis and Clark Trail Highway) between the Astoria-Megler Bridge and Naselle were closed.
In spring 2021, emergency contractor crews were able to…
In spring 2021, emergency contractor crews were able to…
Project
SR 410 Dry Creek Vicinity - Emergency Slide Repair - Complete October 2023
Timeline: January 2023 - October 2023
Contractor crews working for WSDOT installed a 10-foot, corrugated metal pipe under State Route 410 to allow Dry Creek to pass beneath the roadway along its new channel. This is the second part of emergency repairs following a debris flow in fall 2022, which permanently changed the course of Dry…
Project
SR 411 Cowlitz River Bridge – Replace Bridge Deck
Timeline: Feb. 2023 - Fall 2024
Starting in early 2023, contractor crews will kick off the much-anticipated project to enhance the SR 411 Cowlitz River Bridge, also known as the A Street Bridge or the PH-10 Bridge. This vital bridge connects the City of Castle Rock to the west side of the Cowlitz River.
The primary…
The primary…
Project
SR 432 - Industrial Way Vicinity to Cowlitz River - Paver - Completed July 2024
Timeline: Spring 2023 - Summer 2024
In summer 2023 contactor crews working for the Washington State Department of Transportation resurfaced a nearly 2.5 mile stretch of SR 432 between milepost 7.19 near Industrial Way and milepost 7.19 near the Cowlitz River, in Longview, WA. Crews also resurfaced several off- and on-ramps along…
Project
SR 433 Lewis and Clark Bridge Finger Joint Replacement Project - Completed July 2023
Timeline: June 2022 - July 2023
On Sunday, July 16, 2023, bridge crews fully closed the SR 433 - Lewis and Clark Bridge, also known as the Rainier Bridge, spanning across the Columbia River between Longview, WA, and Rainier, OR, for four days. The closure aimed to replace the steel expansion joints that allowed the structure to…
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