Search projects

This project will remove the weight restrictions and restore the structural integrity of the Mabton bridges. The team has determined they will need to replace the slough bridge, while the Yakima River Bridge will be retrofitted.

After discussion and review of feedback from the…

This project will create three truck climbing lanes, or passing lanes, for vehicles who travel along SR 26 between Dusty and Colfax in Whitman County. One climbing lane will be built westbound and two will be built eastbound on SR 26.

This project will improve safety by constructing a roundabout at the intersection of SR 28 and White Trail Rd. west of the City of Quincy.

The Eastside Corridor project will enhance safety and mobility on the Sunset Highway corridor (SR 28), in the East Wenatchee urban area from 9th Street to the Odabashian Bridge. Nearly 15,000 vehicles travel on this stretch of road every day, and as the area continues to grow, conflicts between…

The East Trent Bridge spanning over the Spokane River near Gonzaga University campus is due for replacement. Crews will demolish and rebuild the structure which has stood since 1910.

This project is part of WSDOT's ongoing Fish Passage Barrier Removal Program where construction projects remove barriers to fish. The Chico Way/State Route 3 interchange has several barriers to fish under both directions of SR 3 and under the highway's southbound on- and off-ramps. This…

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…

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

In summer 2022, contractor crews will begin fish barrier corrections to replace two outdated culverts at Little Minter Creek under State Route 302. Since 2019, crews have complete paving and ADA ramp work for eight miles of Key Peninsula Highway (SR 302) in addition to correcting three identified…

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…

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…

Starting in late 2020, crews began repairing damaged sections of the rockfall fence along SR 4 from mileposts 46.98 to 47.65 near Oak Point in Cowlitz County.

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…

Beginning in late 2022, 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-…

Located in Longview, WA, the intersections of SR 432 (Industrial Way) and SR 433 (Oregon Way) are critical connections of statewide significance that supports passenger and freight traffic in southwest Washington.

Currently three rail lines cross with traffic at these intersections…

In 2023, the Lewis and Clark Bridge, also known as the Rainier Bridge, will fully close for six days as crews replace two bridge expansion joints, one joint on the north end of the bridge and one on the south.

Steel expansion joints allow the structure to expand and contract with…

Beginning in summer 2022, contractor crews from Thompson Bros. Excavating will work 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.

Currently, oversized freight traffic must divert from this section of Mill Plain Boulevard (SR 501) onto city streets due to high points in the roadway and limited overhead clearances. Corridor modifications will increase safety along the corridor for all modes of transportation. Improvements will…

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

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…

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…

A culvert below State Route 509 west of Seattle-Tacoma International Airport is a barrier to fish migration through Miller Creek, a tributary of the Puget Sound. Beginning in 2023, contractor crews working for WSDOT will replace the culvert and rebuild the stream in order to reopen habitat and…

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,…

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.