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Learn about current transportation network improvement and preservation activities throughout the state.
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302 results
Project
I-90/Homer Hadley East Approach Bridge - Modular Expansion Joint - Complete September 2022
Timeline: Summer 2022-fall 2022
In September 2022, contractor crews working for WSDOT replaced the original expansion joint on the east end of the westbound I-90 Homer Hadley bridge that connects Mercer Island to Seattle.
Project
I-90/WB E Sunset Way to E Fork Issaquah Crk - PCCP Replace & Deck Overlay
Timeline: Summer 2022 - Fall 2023
In 2022, we added drainage and replaced about 1,550 feet of concrete panels on westbound I-90 with asphalt. During 2023 we replaced select concrete panels to smooth a 1-mile section of rough freeway about 1.5 miles west of SE High Point Way. In addition, we completed repairs at two bridges along…
Major Project
Industrial Way/Oregon Way (IWOW) Intersection Improvements Project
Timeline: 2015-2030
The Industrial Way/Oregon Way (IWOW) Intersection is a four-legged intersection with Industrial Way (SR 432) as the east and west legs, Oregon Way as the north leg and SR 433 as the south leg, which crosses the Columbia River into Oregon.
The IWOW project is being designed to reduce…
The IWOW project is being designed to reduce…
Major Project
North Spokane Corridor
Timeline: August 2001 - 2030
The North Spokane Corridor (NSC) is a 10.5-mile multi-modal corridor. When complete, the NSC will be a 60-mile per hour, north/south limited access facility that connects I-90 at the south (just west of the existing Thor/Freya interchange) and connects to US 2 (at Farwell Road) and US 395 (at…
Project
Northwest Region Strategic Concrete Bridge Deck Preservation
Timeline: Fall 2021 - Fall 2023
We will repair or replace the concrete on 17 bridges in King, Snohomish, Skagit and Whatcom counties. Many of these concrete bridge decks have patches covering old potholes and ruts. Contractor crews will remove damaged and patched areas and replace it with new slabs of concrete. This will help…
Project
NWR Emergency Pavement Repair - Complete Summer 2023
Timeline: July 2022 - June 2023
The Northwest Region Emergency Pavement Repair project covered 88 locations among 23 communities in King, Snohomish, Skagit and Whatcom counties. The repairs spanned three interstates, 12 state highways and about 20 miles of pavement repair, including four bridge decks.
Completed in…
Completed in…
Project
Olympic Region Strategic Bridge Preservation 2022-23 - Complete Summer 2022
Timeline: Spring 2022 - Fall 2023
Crews repaired and replaced damaged driving surfaces of several bridges in Grays Harbor, Mason, Jefferson, and Kitsap Counties.
Major Project
Puget Sound Gateway Program
Timeline: 2015-2029
The Puget Sound Gateway Program combines the SR 509 Completion Project in King County and the SR 167 Completion Project in Pierce County to complete critical missing links in Washington state's highway and freight network. These projects build important new connections to the state's…
Project
Revive I-5: Preserving a vital freeway
Timeline: Now into 2030s
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,…
Project
SE Burley-Olalla Rd to Sidney Rd Paving
Timeline: July 2023 - October 2023
Workers have repaired the surface of westbound SR 16. Repairs were also made to three bridge expansion joints.
Project
South Access - Surface Street Connections Project
Timeline: July 2021 - Fall 2023
This project completes final roadway work around the south portal of the SR 99 tunnel and builds new pedestrian and bicycle amenities that connect Seattle’s stadiums with the waterfront.
Project
SR 103 - US 101 to Stackpole Road - Chip Seal - Complete September 2021
Timeline: April 2020 - Summer 2021
In summer of 2020 and 2021, WSDOT's contractor, Doolittle Construction, LLC. worked to repair and resurface a nearly 20-mile stretch of highway along State Route 103 and a short section of US 101 through Seaview, Long Beach, Ocean Side, Ocean Park and Oysterville, in Pacific County. Doing this…
Project
SR 104 - Hood Canal Bridge - Center Lock Rehabilitation
Timeline: May 2021 - Fall 2024
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.
Project
SR 104 - Lyon Creek Fish Passage
Timeline: Spring 2024 - Winter 2025
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 upgrade an existing 6-foot by 4-foot box culvert with a 24-foot structure. This new structure has the potential to open…
Project
SR 104 - Paradise Bay - Shine Road - Intersection Safety Improvement
Timeline: Late Spring 2024 - Early Winter 2024
This project improves safety along State Route 104 in Jefferson County at Shine-Paradise Bay Road by way of a single-lane, metered roundabout. A roundabout will be installed to reduce the severity and frequency of head-on crashes and improve the flow of traffic.
Project
SR 104 - SR 19 - Intersection Safety Improvements
Timeline: Late Spring 2024 - Early Winter 2024
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.…
Roundabouts are a proven solution to reduce the frequency and severity of collisions while maintaining a consistent flow of traffic.…
Project
SR 104 Kingston Ferry Terminal Traffic Improvement
Timeline: Timeline to be determined
This project would relocate travelers heading to and from the Kingston Ferry Terminal to Northeast 1st Street.
Project
SR 106 Et Al - OR Region Wide - Chip Seal - Complete October 2022
Timeline: April 2022 - October 2022
This project repaired and preserved several highways in Mason, Jefferson, Clallam and Pierce Counties.
Project
SR 106/Twanoh Creek - Remove Fish Barrier - Complete September 2023
Timeline: June 2023 - September 2023
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.
Project
SR 108 - US 101/Mason and Thurston Co Fish Barriers - Remove Fish Barriers
Timeline: Summer 2023 - Fall 2024
This project addresses multiple barriers to fish under state highways. Crews will work on SR 108 between McCleary and Kamilche and US 101 near the Thurston/Mason County line.
Project
SR 109 Hoquiam to Ocean City – Remove Fish Barriers
Timeline: Spring 2024 - Fall 2024
This project will replace culverts under SR 109 in Grays Harbor County.
Project
SR 109/Grass Creek Bridge – Emergency Repair - Completed January 2023
Timeline: Winter 2022 - Late Winter 2023
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.
Project
SR 109/W of Hoquiam - Stabilize Slope - Complete March 2023
Timeline: Early spring 2023
Crews worked to stabilize the hillside above SR 109 west of Hoquiam.
Project
SR 112 - W of Jim Creek Landslides - Emergency Repairs - Complete July 2021
Timeline: Dec. 2020 - July 2021
This project repaired an unstable slope along State Route 112 in Clallam County. Crews reopened the highway to two-way travel on Friday, July 9, 2021.
Project
SR 112/Clallam Bay - Emergency Repairs - Complete July 2022
Timeline: Nov. 2021 - July 2022
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…
Crews worked to remove additional slide…
Project
SR 112/Jim Creek West - Emergency Repairs - Complete June 2022
Timeline: Nov. 2021 - Summer 2022
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…
Project
SR 112/W Rasmussen Creek and Hoko River – Emergency Project - Complete September 2022
Timeline: Summer - Fall 2022
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…
At Rasmussen creek, construction crews rebuilt and replaced two areas of the embankment, which slid into the Strait of Juan de Fuca. Work…
Project
SR 113/S of Old Sappho-Pysht Hwy – Stabilize Slope - Completed August 2022
Timeline: Nov. 2021 - August 2022
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…
Project
SR 127 Elmer C. Huntly Snake River Bridge – Deck Rehabilitation - Complete July 2023
Timeline: February 2023 - July 2023
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…
Project
SR 127 – Central Ferry to Big Alkali Road - Paving - Complete October 2023
Timeline: July 2023 - September 2023
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.
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