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Learn about current transportation network improvement and preservation activities throughout the state.
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338 results
Project
SR 9/South Lake Stevens Road – Intersection Improvements - Complete May 2023
Timeline: February 2022 - Spring 2023
Beginning in February 2022, Interwest Construction Inc., contractor crews working for WSDOT, constructed a roundabout at the intersection of SR 9 and South Lake Stevens Road to improve safety and mobility. Crews also improved fish habitat by replacing the existing culvert under South Lake Stevens…
Project
SR 900 - Tibbetts Creek to Lake Sammamish – fish passage
Timeline: 2020-2029
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…
Project
SR 900/68th Ave S Vicinity – Pedestrian Safety – Phase 2 PCCP & Deck Overlay – Completed
Timeline: August 2022 - May 2023
In the Bryn Mawr-Skyway area of King County between Seattle and Renton, just west of 68th Avenue South, we worked with King County Metro to build 500 feet of new sidewalk and a raised platform for pedestrians to access a Metro bus stop on the east side of the highway.
This new…
This new…
Project
SR 92/Lundeen Creek to Lake Stevens Fish Passage
Timeline: 2022 - November 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 92/Pilchuck River CED – Woody Debris Repair
Timeline: Summer 2024 - Fall 2024
In 2024, crews working for WSDOT will re-establish fish habitat in the Pilchuck River along State Route 92, just south of Sleepy Hollow Road, near Granite Falls. This project will replace large woody debris constructed as fish habitat in 2016, much of which has washed away. This project will use a…
Project
SR 96 - North Creek Fish Passage
Timeline: Summer 2023 to Winter 2024
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 99 tunnel - Complete February 2019
Timeline: 2009 - 2019
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.
Project
SR99/SR 516 to S 200th St – Paving & ADA Compliance
Timeline: Spring 2024 – Fall 2024
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…
Project
Tacoma Narrows Bridge Toll Equipment Replacement Project
Timeline: Spring 2024 - Fall 2024
The eastbound span of the Tacoma Narrows Bridge opened July 15, 2007 as the first modern toll road in Washington.
What at the time was considered state of the art technology is nearing the end of its usable life. Over the course of several months WSDOT will replace the aging and outdated…
What at the time was considered state of the art technology is nearing the end of its usable life. Over the course of several months WSDOT will replace the aging and outdated…
Project
US 101 - 0.8 Miles N of Astoria-Megler Br. - Emergency Culvert Replacement - Complete Spring 2021
Timeline: February 2021 - Spring 2021
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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Project
US 101 - Bagley Creek and Siebert Creek - Remove Fish Barriers - Complete December 2021
Timeline: Jan. 2020 - Dec. 2021
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…
Project
US 101 - Coffee Creek - Remove Fish Barrier - Complete November 2020
Timeline: August 2019 - November 2020
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.
Project
US 101 - Elwha River Bridge - Bridge Replacement
Timeline: April 2023 - December 2024
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 new bridge will be 40 feet wide and…
Project
US 101 - Hoquiam River - Riverside Bridge - Bridge Painting Approach Spans - Complete Fall 2021
Timeline: Summer 2021- Fall 2021
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…
General work activities includes: cleaning, stripping exterior paint and…
Project
US 101 - Indian Creek - Remove Fish Barrier - Completed March 2023
Timeline: February 2022 - March 2023
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…
The culvert was replaced with a new 180-foot…
Project
US 101 - Jefferson and Clallam Counties Fish Barriers - Remove Fish Barriers
Timeline: Summer 2023 - Fall 2025
This project addresses multiple barriers to fish under US 101 between Sequim and Discovery Bay.
Project
US 101 - Leland Creek and Unnamed Tribs - Remove Fish Barriers - Complete December 2023
Timeline: February 2023 - December 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…
Project
US 101 - May Creek in Vic of Dowans Creek Rd - Remove Fish Barrier
Timeline: Spring 2024 - Fall 2026
This fish barrier removal project replaces an outdated culvert along US 101 south of Forks. A 175-foot-long concrete girder bridge will replace the existing metal pipe to improve fish migration in May Creek.
Project
US 101 - S of Cosmopolis - Stabilize Slope - Complete June 2022
Timeline: August 2021 - June 2022
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…
Crews reopened the highway to two-way travel on Friday, May 20. Final roadway…
Project
US 101 - SR 109 Grays Harbor, Jefferson and Clallam Counties - Remove Fish Barriers
Timeline: 2023 - 2026
This project will correct 29 identified streams and culverts that cross under US 101 and SR 109 in Grays Harbor, Jefferson and Clallam Counties. The culverts under the highways do not allow fish to access vital habitat.
Once complete, this project will restore nearly 37 miles of…
Once complete, this project will restore nearly 37 miles of…
Project
US 101 - West Jefferson County - Remove Fish Barriers - Complete August 2022
Timeline: Summer 2019 - Fall 2022
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.
Project
US 101 and SR 115/Olympic Peninsula - Chip Seal - Complete November 2022
Timeline: May 2022 - November 2022
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.
Project
US 101 – Grays Harbor Creeks – Remove Fish Barrier - Complete Fall 2023
Timeline: Spring 2023 to Fall 2023
This project replaced six culverts under US 101 in Grays Harbor County. The culverts were located under US 101 between Aberdeen and Humptulips.
Project
US 101/Delphi Rd to I-5 - Paving and Concrete Barrier - Complete October 2022
Timeline: May 2022 - October 2022
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
Project
US 101/Hoquiam River-Riverside Ave Bridge - Machine Rooms Rehab - Complete November 2023
Timeline: Spring 2023 - Fall 2023
This project repaired and upgraded two machine rooms that house equipment that operates the US 101 Hoquiam River Riverside Bridge in Grays Harbor County.
Work included repairs to the existing machine rooms, removing and replacing the old machine room walls and roof, and painting the…
Work included repairs to the existing machine rooms, removing and replacing the old machine room walls and roof, and painting the…
Project
US 101/Northwest US 101 – Remove Fish Barriers
Timeline: Spring 2024 - Fall 2025
This project will replace culverts under US 101 in Clallam and Jefferson Counties.
Project
US 101/South of Forks - Emergency Repairs - Complete August 2022
Timeline: Spring - Summer 2022
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…
Project
US 101/SR 116 North Olympic Peninsula – Remove Fish Barriers
Timeline: Fall 2024 - Winter 2027
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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Project
US 12 - Nine Mile Hill to Frenchtown Vic - Build New Highway - Complete June 2023
Timeline: 2016 - 2023
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…
Project
US 12 - SR 8 - Grays Harbor County Fish Passage Barriers - Remove Fish Barriers
Timeline: Spring 2023 - Winter 2025
This project replaces five outdated culverts under US 12 and State Route 8 in Grays Harbor County between Montesano and the Thurston County line for improved fish migration.
Slow down – lives are on the line.
In 2023, speeding continued to be a top reason for work zone crashes.
Even one life lost is too many.
Fatal work zone crashes doubled in 2023 - Washington had 10 fatal work zone crashes on state roads.
It's in EVERYONE’S best interest.
95% of people hurt in work zones are drivers, their passengers or passing pedestrians, not just our road crews.