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This project will install vegetative filter strips on the side of State Route 203 just north of Fall City (milepost .69) and at Northeast 77th Street (milepost 7.69). The vegetative filter strips will treat stormwater running off the roadway to help protect nearby wetlands and sensitive areas.

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…

The Washington State Department of Transportation and contractor crews are building new lanes for drivers to merge on and off SR 240 safely. Crews will also install a noise wall along the south portion of SR 240 along the Moon River RV Resort, and update traffic signals, pedestrian crossings,…

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.

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.

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…

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…

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.

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…

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 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…

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…

This project improved safety by constructing a roundabout at the intersection of SR 28 and White Trail Rd. west of the City of Quincy.

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.…

This project will rehabilitate both SR 21 and SR 28 within the city limits of Odessa in Lincoln County. The roadway is past its expected lifespan and due for replacement. Along with repaving the roadway, complete streets will be used to look at active transportation within the city limits.

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.

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.

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…

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…

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.

Workers repaved sections of northbound SR 3 between Bremerton and Silverdale. Repairs also were made at five bridges.

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…

As part of WSDOT's efforts to remove barriers to fish, this project addresses a barrier to fish under SR 302 near Victor Creek

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…

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.

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…

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…

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…

State Route 4 is an important connection for Kelso, Longview, and nearby areas in Cowlitz County. It helps people, businesses, and tourists travel between the east and west parts of the county and also leads to the Pacific coast. The area around this route is becoming more urban with increasing…

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…