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WSDOT built Interstate 5, Washington’s main freeway, in the 1960s. The busiest section runs through Seattle with almost 240,000 vehicles traveling across the I-5 Ship Canal Bridge daily. This critical highway now requires major preservation and repairs.

Working with our contractor,…

Dozens of preservation projects are planned to revive Interstate 5 in King and Snohomish counties. Washington’s main freeway was built in the 1960s and needs major preservation and renovation work. Over the coming years, Revive I-5 projects will include pavement repair and full replacement,…

Workers repaired the surface of westbound SR 16. Repairs were also made to three bridge expansion joints.

This project completed final roadway work around the south portal of the SR 99 tunnel and built new pedestrian and bicycle amenities that connect Seattle’s stadiums with the waterfront.

The Southworth Terminal Preservation project will replace the aging terminal to maintain safe and reliable service for those who travel between the Kitsap Peninsula, Vashon Island, West Seattle, and beyond. This terminal is an essential piece of Washington State Ferries’ (WSF) Triangle route and…

Crews will upgrade and replace key elements of the SR 104 Hood Canal Bridge. The construction bolsters systems that guide the bridge together and keep both halves of the bridge connected.

This project will remove a fish passage barrier on State Route 104 at Lyon Creek just west of 35th Avenue Northeast in Lake Forest Park. Contractor crews working for WSDOT will replace an existing 6-foot-by-4-foot box culvert with a new 24-foot-wide structure. This new structure has the potential…

This project improves safety along State Route 104 in Jefferson County at Shine Road/Paradise Bay Road and at State Route 19. At SR 19, a single-lane roundabout has been built. At Shine Road/Paradise Bay Road, a single-lane metered roundabout will be built. The meter will be active only after a…

To improve safety and reduce head-on collisions, crews will construct a single-lane roundabout at State Route 104 and SR 19 (Beaver Valley Road).

Roundabouts are a proven solution to reduce the frequency and severity of collisions while maintaining a consistent flow of traffic.…

This project would relocate travelers heading to and from the Kingston Ferry Terminal to Northeast First Street.

Starting in summer 2025, crews will work to protect Graveyard Spit, a shoreline along SR 105 between the Shoalwater Bay Reservation (milepost 19.5) and Panoramic Lane (milepost 20.10). The project will shield the community from coastal erosion, climate change, and rising sea levels while preserving…

WSDOT removed a barrier to fish under SR 106 at Twanoh State Park. WSDOT removed the existing culvert and replaced it with a box culvert.

This project removed multiple barriers to fish under two state highways. Crews worked on SR 108 near Kamilche and US 101 near the Thurston/Mason County line.

This project replaced culverts under SR 109 in Grays Harbor County.

This project will remove five barriers to fish under SR 109 on the Quinault Indian Nation.

Crews will build approximately 1.7 miles of new SR 109 between Point Haynisisoos (Point Grenville) and the Quinault Indian Nation Village of Taholah. The project will relocate the existing highway away from coastal erosion. The proposed new highway will have two lanes with wide shoulders.

This project involved repairs to the Grass Creek Bridge on State Route 109 west of Hoquiam. Work at this site included installing two steel piles and a steel cross beam at three of the bridge pier locations to support the bridge and restore its weight capacity.

This project made repairs to the hillside next to State Route 109 north of Moclips on the Quinault Indian Nation.

Crews worked to stabilize the hillside above SR 109 west of Hoquiam.

This project will pave 7 miles for State Route 112 starting at milepost 0. Ten drainage culverts will be replaced from milepost 0 to milepost 8. Signage replacements between milepost 0 and milepost 41. This project also includes embankment repair work between mileposts 2 and 5.6.

Crews reopened State Route 112 near Clallam Bay to two-way travel at 6 p.m. Monday, March 21. The highway closed on Monday, Nov. 15, 2021 due to massive landslide and regionwide flooding. The detour using Eagle Crest Way has been removed.

Crews worked to remove additional slide…

Construction to reopen State Route 112 at milepost 32 began Monday, March 28, 2022 after the highway dropped almost 4-feet. Work at Jim Creek includes: slope stabilization efforts, roadway repairs, installation of new guardrail, installation of new trench and horizontal drains, replacement of three…

This emergency project took place at two sites on SR 112 in Seiku: at milepost 4.6 near Rasmussen Creek and at milepost 11.4 on the Hoko River.

At Rasmussen creek, construction crews rebuilt and replaced two areas of the embankment, which slid into the Strait of Juan de Fuca. Work…

This project will repair an unstable slope and replace a clogged culvert under Burnt Mountain Road (SR 113) near Beaver in Clallam County. A new culvert and stabilized hillside will allow water to flow properly through the area without the use of a temporary water pump, preventing additional…

The bridge deck on the Elmer C. Huntly Bridge across the Snake River on State Route 127 near Lower Granite Dam, was showing signs of deterioration due to normal wear and tear. This project repaired and resurfaced the existing bridge deck to maintain the structural integrity to continue safe…

This project will rehabilitate approximately 9.5 miles of SR 127 from Central Ferry to Big Alkali Road in Whitman County. Once the project is completed by grinding and inlaying new HMA (Hot Mix Asphalt), the roadway surface will have a smoother ride that will be preserved for years to come.

This project evaluates upgrades under the Americans with Disabilities Act (ADA) and Complete Streets initiatives to create a more accessible, comfortable, economical, sustainable, and efficient transportation system along SR 129. However, due to limited preservation funding and the need for…

Several sections of the slope on the north side of the roadway above SR 14, between milepost 73.16 and 73.92, had a history of rockfall, especially in fall and winter months. To reduce the risk of rockfall and mitigate slope stability, contractor crews from Strider Construction Co., Inc., worked to…

Several sections along State Route 14 had a history of recurring rockfall activity above the roadway. To help reduce future potential rockfall activity and improve safety for travelers, in summer 2021, our contractor, James Dean Construction, Inc., began work to stabilize the slope located on the…

This project will improve safety and connectivity between Bingen Point, the Port of Klickitat and State Route 14 in Klickitat County. Currently, travelers and emergency responders must use a railroad crossing on Steuben Street (SR 14) to access the port and Bingen Point. Passing trains often block…