Search projects

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…

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.

During summer 2021, crews repaved State Route 300 between Belfair and Belfair State Park.

In summer 2022, our contractor began fish barrier corrections to replace two outdated culverts at Little Minter Creek under State Route 302.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…

The SR 305 Agate Pass Bridge was repainted with a protective coating to prolong the life of this vital bridge.

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…

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…

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…

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…

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…

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 (…

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-…

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…

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.…

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…

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…

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.

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…

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…

This project will improve safety at the intersection of SR 503 and Northeast Rock Creek Road, by installing a compact roundabout.

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…

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…

Crews will remove and replace a failing culvert under the highway.

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…

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…

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.

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…

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,…

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.

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.