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Learn about current transportation network improvement and preservation activities throughout the state.
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268 results
Project
SR 3 - Freight Corridor - New Alignment
Timeline: Summer 2026 - Winter 2028
State Route 3 in Belfair regularly experiences congestion during peak commute hours, especially as numerous drivers stop and make turns. Heavy congestion has the potential to negatively affect emergency response times and economic vitality. This project would improve travel times for regional…
Project
SR 3/SR 304 to SR 303 - Paving
Timeline: July 2023 - October 2023
Workers will repave sections of northbound SR 3. The work will occur between Charleston Beach Road West (SR 304) in Bremerton and SR 303 in Silverdale. Repairs will take place at five bridges.
Project
SR 300 - Belfair State Park to SR 3 - Paving - Complete August 2021
Timeline: May 2021 - August 2021
During summer 2021, crews repaved State Route 300 between Belfair and Belfair State Park.
Project
SR 302 - E of Elgin Clifton Rd to SR 16 - Remove fish barriers, paving and ADA compliance - Complete Fall 2022
Timeline: Spring 2019 - Fall 2022
In summer 2022, our contractor began fish barrier corrections to replace two outdated culverts at Little Minter Creek under State Route 302. Since 2019, crews have completed paving and ADA ramp work for eight miles of SR 302 in addition to correcting three identified barriers to salmon and resident…
Project
SR 305 - Agate Pass Bridge - Bridge Painting - Complete October 2020
Timeline: May 2019 - October 2020
The SR 305 Agate Pass Bridge was repainted with a protective coating to prolong the life of this vital bridge.
Project
SR 305/Murden Creek - Remove Fish Barrier
Timeline: August 2022 - November 2023
This project will remove barriers to fish under SR 305 on Bainbridge Island. Crews will maintain two lanes of traffic while removing an existing culvert under the highway. The culvert will be replaced with a new bridge. The work will open almost 1.5 miles of potential habitat on Murden Creek. The…
Project
SR 305/Sam Snyder Creek – Remove Fish Barrier
Timeline: Summer 2024-Summer 2025
This project will remove two existing 270-foot-long, 36-inch-diameter concrete pipe culverts on State Route 305 outside of Poulsbo at the Sam Snyder Creek crossing and replace them with a single 239-foot-long steel girder bridge. General work activities include: clearing and grubbing, earthwork…
Project
SR 305/West Port Madison, Agatewood Rd, Adas Will Ln – Safety Improvements
Timeline: Summer 2023 - Fall 2024
WSDOT will build two modern roundabouts on Bainbridge Island at the intersections of SR 305 and Northeast West Port Madison and SR 305 and Northeast Adas Will Lane. The improvements include a feature at the intersection of Agatewood Road Northeast which will become a right in/right out intersection…
Project
SR 4 - Skamokawa Vic to 0.3 Miles West of SR 432 - Chip Seal and Highway Modifications - Complete July 2022
Timeline: May 2021 - July 2022
In summer 2021, contractor crews working for WSDOT resurfaced roughly a 25-mile stretch of State Route 4, between Skamokawa and State Route 432 near west Longview, between mileposts 29.77 to 54.98. Project work and highway modifications continued during the 2022 construction season and is now…
Project
SR 401 - 2.3 Miles S. of Bean Creek Bridge - Slope Stabilization
Timeline: February 2021 - Late Fall 2023
On Tuesday, Feb. 23, 2021, due to roadway settlement caused by heavy rainfall, both directions of State Route 401 (also known as the Lewis and Clark Trail Highway) between the Astoria-Megler Bridge and Naselle were closed.
In spring 2021, emergency contractor crews were able to…
In spring 2021, emergency contractor crews were able to…
Project
SR 410 Dry Creek Vicinity - Emergency Slide Repair
Timeline: January 2023 - Fall 2023
Contractor crews working for WSDOT began repair work to increase stream capacity at Dry Creek where it crosses State Route 410 in February 2023. This project added temporary measures to augment an existing 24-inch culvert approximately two miles north of the road to Crystal Mountain Ski Resort (…
Project
SR 411 Cowlitz River Bridge – Replace Bridge Deck
Timeline: Feb. 2023 - Jan. 2024
Beginning in early 2023, contractor crews will install safety improvements and work to extend the useful life of the almost 60-year old bridge. The concrete bridge deck will be replaced and widened, to allow for a new, wider sidewalk on the north side of the bridge, new pedestrian and bicycle-…
Project
SR 432 - Industrial Way Vicinity to Cowlitz River - Paver
Timeline: Spring 2023 - Fall 2023
In summer 2023 contactor crews working for the Washington State Department of Transportation will resurface a nearly 2.5 mile stretch of SR 432 between milepost 7.19 near Industrial Way and milepost 7.19 near the Cowlitz River. Crews will also resurface several off- and on-ramps along this stretch…
Project
SR 433 Lewis and Clark Bridge Finger Joint Replacement Project
Timeline: Summer 2022-Spring/Summer 2023
In 2023, the Lewis and Clark Bridge, also known as the Rainier Bridge, will fully close for up to eight days as crews replace two bridge expansion joints and a fractured floor beam.
Steel expansion joints allow the structure to expand and contract with daily temperature variations.…
Steel expansion joints allow the structure to expand and contract with daily temperature variations.…
Project
SR 500 - NE 182nd Ave - Intersection Improvements - Complete Fall 2022
Timeline: Spring 2021 - Fall 2022
Beginning in summer 2022, contractor crews from Thompson Bros. Excavating worked to construct a roundabout in east Vancouver, between the intersection of Fourth Plain Boulevard, also known as SR 500 and Northeast 182nd Avenue. Crash data collected over a five-year timeframe between 2013 to 2017…
Project
SR 500 - NE 42nd and 54th Intersection Improvements
Timeline: Late summer/early fall 2023
In 2023, WSDOT is scheduled to restore the north/south connection across State Route 500 at the Northeast Stapleton Road/Northeast 54th Avenue intersection in Vancouver for those most affected by the 2018 removal of the traffic lights at this location – pedestrians and bicyclists of all ages and…
Project
SR 500 - NE Robinson Rd and NE 3rd St - Intersection Safety Improvements
Timeline: Summer 2018 - Fall 2024
The purpose of this project is to improve safety on SR 500 along the curves at Northeast Robinson Road and Northeast 3rd Street. There is a history of intersection related crashes and run off the road crashes at these two locations.
Project
SR 500/162nd Ave to 166th Ave – Safe Routes to School
Timeline: Spring 2022 - Fall 2023
Washington State Department of Transportation’s contractor, Thompson Bros. Excavating, will construct a new shared-use path on the south side of State Route 500, also known as Northeast Fourth Plain Boulevard, between Northeast 162nd and Northeast 166th avenues, allowing those who bike, walk or…
Project
SR 501 - I-5 to Port of Vancouver - Intersection and Profile Improvements
Timeline: Spring 2019 - Spring 2023
This project is currently on hold due to material procurement, and is now scheduled for completion in spring 2023.
Currently, oversized freight vehicles must divert from this section of Mill Plain Boulevard (SR 501) onto city streets due to high points in the roadway and limited…
Currently, oversized freight vehicles must divert from this section of Mill Plain Boulevard (SR 501) onto city streets due to high points in the roadway and limited…
Project
SR 503 / NE Rock Creek Rd Intersection Improvements
Timeline: Spring 2023 - Fall 2024
This project will improve safety at the intersection of SR 503 and Northeast Rock Creek Road, by installing a compact roundabout.
Project
SR 504 Landslide – Bridge Washout
Timeline: May 2023 - TBD
Shortly after 9 p.m. Sunday, May 14, debris from an adjacent hillside fell about 2,000 feet above SR 504 and covered the roadway with rock, mud, ice and water, causing catastrophic damage to the Spirit Lake Outlet Bridge which takes travelers to the Johnston Ridge Observatory located within the…
Project
SR 506/1.5 Miles N of Frontage Rd to I-5 – Emergency Bridge Repair
Timeline: Summer 2022 - Mid-to-late 2023
On Tuesday, July 6, 2021, an over height load was traveling southbound on I-5 when it struck and damaged the SR 506/Toledo-Vader Road overpass that spans over the interstate. Following the bridge strike, WSDOT bridge inspectors determined that the damage was extensive and they closed the overpass…
Project
SR 507/N of Connor Rd - Culvert Replacement
Timeline: Summer 2023
Crews will remove and replace a failing culvert under the highway.
Project
SR 509 Completion Project
Timeline: 2015-2028
The SR 509 Completion Project in King County is part of the Puget Sound Gateway Program, which also includes the SR 167 Completion Project in Pierce County. Together, these projects complete two of the Puget Sound region’s most critical freight corridors and improve access to I-5, the ports of…
Project
SR 509/Miller Creek fish passage
Timeline: 2020 – 2027
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.
A culvert below State Route 509 west…
A culvert below State Route 509 west…
Project
SR 510 - Yelm Loop - New Alignment Phase 2
Timeline: Spring 2024 - Fall 2026
Crews will build the 3 remaining miles of SR 510 between Cullens Road and 170th Street Southeast in Yelm. The new connection, like the previously built Phase 1, is proposed to be a two-lane highway with bicycle and pedestrian facilities.
Project
SR 513 - Montlake Bridge - Mechanical Rehab, Deck Replacement & Joint Repair - Complete May 2022
Timeline: Summer 2021 - Spring 2022
In 2021, contractor crews working for WSDOT replaced the more than 20-year-old worn grid deck on the Montlake Bridge. They also made expansion joint and mechanical repairs so the movable span can continue to operate reliably and meet the growing multimodal traffic demands of northeast Seattle. In…
Project
SR 516/Barnes Creek fish passage
Timeline: 2021-2023
At just 2 feet in diameter and built from clay, the culvert that carries Barnes Creek under SR 516 near Des Moines is a barrier for fish trying to swim upstream and is in danger of failing. This project will replace the small clay culvert with a new structure that is 20 feet wide and 9 feet tall,…
Project
SR 518/24th Avenue S Bridge - Girder Replacement
Timeline: Spring and summer 2023
During summer 2023, our contractor crews will replace the damaged girder on the 24th Avenue South bridge over SR 518 near the Sea-Tac International Airport. Crews also will make bridge drain and drainpipe improvements in the area.
Project
SR 520 148th Ave NE interchange - Overlake Access Ramp
Timeline: Summer 2021-Fall 2023
With this Connecting Washington project, we will relocate the existing eastbound SR 520 ramp to south 148th Avenue Northeast in Redmond and add a new eastbound ramp to the Overlake Village area.
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