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This project will improve the Kamm Ditch fish passage on SR 546 in Whatcom County between milepost 4.13 and milepost 4.27.

This project will replace three fish barriers with fish passable structures. Two of the barriers are located along SR 546 (East Badger Road) on either side of Double Ditch Road and the third barrier is located just west of Double Ditch Road near Lynden. This project is located between milepost .1…

Between summer 2020 through summer 2022, contractor crews working for the Washington State Department of Transportation worked to remove and replace two existing culverts that lead to the Chehalis River located underneath SR 6 near Twin Oaks Road (between mileposts: 46.32 to 46.59) in Lewis County.

This summer, construction crews working for WSDOT repaired and replaced worn sections of asphalt on SR 7. The work zone was broken up into two areas. The first was from the intersection of SR 507 near Joint Base Lewis-McChord, to 169th Street. Crews paved the northbound right lane only. The second…

This project will remove two barriers to fish and repave section of Mountain Highway East (SR 7).

To address increased congestion, WSDOT has widened SR 9 from two lanes to four from its southern starting point to Marsh Road, except for a 3-mile section in the middle—from 176th Street Southeast to SR 96—where there is only one northbound lane and two southbound lanes. This project will add a…

The intersection of SR 9 and SR 204 in Lake Stevens will be improved by adding four roundabouts and widening SR 9 to two lanes in each direction immediately south of the intersection. These improvements will help manage congestion and improve mobility, provide better access to area businesses and…

This project will improve the passage of migratory fish by replacing the culvert underneath SR 9 at milepost 70.60, where an unnamed tributary runs to Landingstrip Creek in Whatcom County.

A culvert that runs under State Route 9 at milepost 34.7, south of Lake McMurray near the North Centennial Trail Trailhead, was failing and needed to be replaced. The bottom of the culvert had rusted away, which resulted in water washing away the side of the road. This caused a sinkhole on the…

Beginning in July 2022, contractor crews working for WSDOT will remove two fish barriers under State Route 9 in Lake McMurray in Skagit County at Lake Creek and Norway Park Creek, replacing them with two new fish passable structures.

This project will widen State Route 9 between Marsh Road and 2nd Street near the city of Snohomish, build southbound bridges directly to the west of the existing bridges—which will become northbound lanes—over the Snohomish River, and rebuild the on-ramp from 2nd Street to southbound SR 9. It also…

In June 2022, Granite Construction Company, contractor crews working for WSDOT, will build a roundabout at the intersection of State Route 9 and Bickford Avenue.

Beginning in February 2022, Interwest Construction Inc., contractor crews working for WSDOT, will construct a roundabout at the intersection of SR 9 and South Lake Stevens Road to improve safety and mobility. Crews will also improve fish habitat by replacing the existing culvert under South Lake…

In the Bryn Mawr-Skyway area of King County between Seattle and Renton, along north of 68th Avenue South we are working in conjunction with King County Metro to build a section of sidewalk to provide a raised area for pedestrians to reach a Metro bus stop on the east side of the highway.

The SR 99 tunnel replaced the Alaskan Way Viaduct along Seattle's central waterfront, carrying State Route 99 beneath downtown Seattle. The 2-mile tunnel opened to drivers in February 2019.

The Washington State Department of Transportation is replacing several luminaires in Island, King, Snohomish, Skagit, Thurston and Whatcom counties with new, energy-efficient light-emitting-diode (LED) luminaires. In addition, some lights will be removed as part of a new, more efficient approach to…

On February 16, 2021, due to heavy seasonal rainstorms and harsh winter weather, the existing culvert drainage system that runs underneath a portion of US 101 at milepost 1.2, just north of the Astoria-Megler Bridge, began to fail causing a portion of the road to give way and sink.

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Crews have removed and replaced several outdated culverts at Bagley Creek and Siebert Creek between Port Angeles and Sequim for improved fish passage. Crews have removed five existing culverts; two that run underneath both directions of the US 101, two along James Page Road and one along South…

Crews working for WSDOT built a replicated stream between Coffee Creek and Goldsborough Creek in Shelton. The project also rebuilt both southbound on- and off-ramps at the US 101/West Shelton/Matlock interchange.

WSDOT will replace the US 101 Elwha River Bridge in Port Angeles after serving the community for nearly a century. Replacing the bridge will ensure that the US 101 route continues to be a reliable transportation facility for decades to come.

The new bridge will be 40 feet wide and…

The 465-foot-long, US 101 Hoquiam River Riverside Bridge needed a new protective surface. In summer 2021, contractor crews repainted the bridge's approach spans to preserve the crossing for years to come.

General work activities includes: cleaning, stripping exterior paint and…

This project removes and replaces an outdated culvert under US 101 west of Port Angeles at Indian Creek. To keep traffic moving, crews constructed a temporary bypass bridge near the site as the new bridge over Indian Creek is built.

Contractor crews will remove the outdated culvert…

This project addresses multiple barriers to fish that travel under US 101 between Sequim and Discovery Bay in Clallam and Jefferson Counties beginning in summer 2023.

This project removes and replaces several outdated barriers to fish migration under US 101 near Leland Valley Road NE in Jefferson County. The north and south tributaries at mileposts 290.3 and 291.8 will be replaced with larger box culverts, and the site crossing Leland Creek will be replaced with…

This design-bid build fish barrier correction project replaces an outdated culvert along US 101 near Forks at May Creek. The existing metal pipe will be replaced with a 175-foot-long concrete girder bridge for improved fish migration.

This stretch of roadway, often referred to as “Cosi Hill,” sit on a pre-historic landslide and suffers from chronic roadway settlement. Heavy rains triggered the roadway to drop more than five feet.

Crews reopened the highway to two-way travel on Friday, May 20. Final roadway…

This project will correct 29 identified streams and culverts that cross under US 101 and State Route 109 in Grays Harbor, Jefferson and Clallam Counties. Currently, the culverts under the highways do not allow fish to access vital habitat.

WSDOT and the Design-Build contractor will…

This project removed barriers to fish at Steamboat Creek, Harlow Creek and Fisher Creek. New bridges carry US 101 over each creek. The improvements helps improve access to fish habitat.

This project repaired and preserved three separate areas of two state highways. Crews will also replace failing expansion joints for the US 101 Sol Duc River Bridge in Clallam County.

This project will replace six culverts under US 101 in Grays Harbor County in 2023. The culverts are located under US 101 between mileposts 98.4 and 111.3, between Aberdeen and Humptulips. This is the first bundle of 5 that will correct streams and culverts in 29 locations under US 101 and State…