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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…

Reconnecting waterways where our roads act as barriers is a priority for the state. In western Washington, that means building hundreds of fish passable structures under state highways to create habitat essential for meeting fish recovery goals. Beginning as early as winter 2024, WSDOT will install…

In the Bryn Mawr-Skyway area of King County between Seattle and Renton, just west of 68th Avenue South, we are working in conjunction with King County Metro to build a section of sidewalk and a raised platform for pedestrians to access 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.

This project will rehabilitate roughly two miles in each direction of State Route 99 from the SR 516 intersection to South 200th Street. Crews will grind and inlay new Hot Mix Asphalt giving the roadway a smoother surface and preserving it for years to come. Pedestrian curb ramps will also be…

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 removed and replaced 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 was built.

The culvert was replaced with a new 180-foot…

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

Workers repaired the surface of southbound US 101 in areas between Mud Bay and US 101 in Tumwater. Crews also made safety improvements on the southbound US 101 ramp to northbound I-5 in Tumwater

This project replaces and repairs two machine rooms that help operate the US 101 Hoquiam River Riverside Bridge in Grays Harbor County.

Work includes repairs to the existing machine rooms and wall systems, removing the old machine room, and painting the operating room. To do this…

This project will make repairs to the roadway on US 101 south of Forks near the Jefferson-Clallam County border. Work at this site includes: rebuilding the washed-out area of highway, rebuilding and reinforcing the slope and drilling new drains into the hillside. An emergency contract will be…

This project removes and replaces several outdated culverts under US 101 and State Route 116 at Lees, Ennis, Tumwater and Chimacum Creeks. These sites have been identified by Washington State Department of Fish and Wildlife as barriers to salmon migration and other resident fish species.
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Crews built a modern roundabout at the intersection of US 12 and Anderson Road.

This section of US 12 is located north of the communities of Touchet and Lowden. To maintain access to these communities, two interchanges were constructed with local roads including the existing US 12 at the bottom of Nine Mile Hill and Lower Dry Creek Road. Bridges were constructed to maintain…