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224 results

Project

SR 155 Spur-Okanogan River Bridge Modification and Pedestrian Bridge

Timeline: Present - Fall 2025
  • Road
  • Pre-construction
  • Okanogan County
This project will rehabilitate and widen the existing SR 155 spur vehicle bridge that crosses the Okanogan River into downtown Omak (Bridge No. 155/111SP). Existing sidewalks on both sides of the bridge will be removed to widen the total driving width of the bridge from 20 ft. to 26 ft.
Project

2022 Eastern Region Chip Seal - South

Timeline: May 2022 - August 2022
  • Road
  • Construction
  • Whitman County
This project will preserve multiple state routes across Whitman County in Eastern Washington.

Included in the chip seal project will be constructing bituminous surface treatment (BST), planning bituminous pavement, crack sealing, hot mix asphalt (HMA) paving, pavement repair, and…
Project

21-23 SWR Regionwide Bridges Concrete Deck Patching

Timeline: Summer 2022 - Fall 2022
  • Road
  • Construction
  • Benton County
  • Cowlitz County
  • Lewis County
  • Pacific County
  • Klickitat County
In summer 2022, WSDOT's contractor, Granite Construction Company, will begin work on this pilot program to rehabilitate the concrete decks of several bridges throughout southwest Washington. Crews will remove all non-cement patches and replace them with cement material, extending the useful…
Major Project

Alaskan Way Viaduct Replacement Program

Timeline: 2007 - 2023
The Alaskan Way Viaduct Replacement Program consists of 30 projects led by the Washington State Department of Transportation, King County, the City of Seattle and the Port of Seattle. The Federal Highway Administration is a partner in this effort.
Project

Bainbridge Ferry Terminal Overhead Loading Fixed Walkway Replacement

Timeline: 2018 - Early 2024
  • Ferry
  • Construction
  • Kitsap County
The ferry route between Seattle and Bainbridge Island is the busiest in the system for walk-on passengers. This project replaces the existing overhead wooden walkway with a wider, safer concrete and steel facility built to current seismic code.
Project

Battery Street Tunnel and North Surface Streets - Complete July 2021

Timeline: February 2019 - July 2021
  • Road
  • Completed
  • King County
After SR 99 in Seattle was aligned to run through the SR 99 tunnel, the Battery Street Tunnel was decommissioned and filled and the tunnel's northern approach built into a new arterial street (Seventh Avenue North) featuring bus lanes and reconnected intersections.
Project

Eastern Region – Bridge Deck Preventative Preservation – Patching - Complete August 2022

Timeline: May 2022 - August 2022
  • Road
  • Completed
  • Adams County
  • Lincoln County
  • Stevens County
  • Whitman County
  • Franklin County
This project will conduct spot repairs on concrete bridge decks by patching potholes and replacing fatigued sections of concrete on seven bridges within Adams, Franklin, Lincoln, Stevens, and Whitman Counties. Once the project is complete, the service life of the bridges will be extended on rural…
Project

Ferries - Mukilteo Multimodal Terminal Project - Complete December 2020

Timeline: Spring 2015 - December 2020
  • Ferry
  • Completed
  • Snohomish County
The Mukilteo/Clinton ferry route is part of State Route 525, the major transportation corridor connecting Whidbey Island to the Seattle-Everett metropolitan area. It is one of the state's busiest routes, with more than 4 million total riders every year. By 2040, walk-on ridership during the…
Project

Ferries - Seattle Multimodal Terminal at Colman Dock Project

Timeline: Summer 2017-2023
  • Ferry
  • Construction
  • King County
Washington State Ferries is replacing the aging and seismically vulnerable Colman Dock in Seattle in order to maintain its critical role as a regional multimodal transportation hub.

Key project elements included these new elements: concrete and steel trestle, main terminal building,…
Major Project

Ferry system electrification

Timeline: 2020-2040
Washington State Ferries (WSF) is embarking on an ambitious initiative to begin the transition to an emission-free fleet through a hybrid electric ferry system. Currently, WSF operates the largest ferry system in the United States. It is also the biggest contributor or greenhouse gas emissions of…
Project

Holgate to King Street Viaduct Replacement - Complete January 2014

Timeline: 2011 - 2014
  • Road
  • Completed
  • King County
The South Holgate to South King Street Viaduct Replacement Project, completed in early 2014, was an early phase of the Alaskan Way Viaduct Replacement Program in Seattle, Washington.
Project

I-405 - BN RR Br to Ped Trail Br & I-90/E Fork Issaquah Creek - Seismic

Timeline: Fall 2022- winter 2024
  • Road
  • Pre-construction
  • King County
In summer 2022, our contractor will begin a project in the I-405 corridor to strengthen several overpasses to help them withstand a major earthquake. They will place steel "jackets" around columns that support overpasses to help keep the concrete together in an earthquake, reducing the…
Project

I-405, Brickyard to SR 527 Improvement Project

Timeline: The current Legislative schedule has the project opening in 2027.
  • Road
  • Pre-construction
  • King County
The I-405, Brickyard to SR 527 Improvement Project lies primarily in Bothell on Interstate 405 (I-405), starting just south of the SR 522 interchange and ending at the SR 527 interchange. The communities in this vicinity will see major improvements in added express toll lane capacity, direct access…
Project

I-405/Lind Ave SW Bridge – Span replacement

Timeline: Spring 2023 - fall 2023
  • Road
  • Pre-construction
  • King County
In spring 2023, contractor crews will replace the severely-damaged northern span of the Lind Avenue Southwest bridge over southbound Interstate 405 in Renton. The Lind Avenue overpass will remain closed to vehicles until work is complete. The pedestrian walkways over the bridge will remain open…
Project

I-405/Northeast 132nd Street Interchange Project

Timeline: April 2022 - November 2023
  • Road
  • Construction
  • King County
WSDOT and design-build contractor Graham Contracting, Ltd. will construct a new on-ramp to northbound I-405 and a new off-ramp from southbound I-405 at Northeast 132nd Street in Kirkland. This type of interchange is known as a half-diamond. After this project is complete, travelers will have the…
Project

I-405/Renton to Bellevue Widening and Express Toll Lanes Project

Timeline: Summer 2015 - Fall 2024
  • Road
  • Construction
  • King County
Travelers on Interstate 405 between Renton and Bellevue experience one of the state’s worst commutes. The I-405 Renton to Bellevue Widening and Express Toll Lanes project includes multimodal transportation and safety improvements to offer more reliable travel choices and keep drivers, transit…
Project

I-405/Ripley Lane Stream Connection Project

Timeline: The project is currently in the design and environmental stages. We anticipate construction will be complete by 2025.
  • Road
  • Pre-construction
  • King County
The Ripley Lane Stream Connection Project is part of a series of fish barrier corrections planned by WSDOT for the I-405/SR 167 corridor. The Ripley Lane Stream Connection Project will construct new stream channels by combining two culverts into one open channel. We determined that the proposed…
Major Project

I-405/SR 167 Corridor Program

Timeline: We delivered the first project in 2005, 15 additional projects by 2015 and continue towards construction readiness on funded projects.
The I-405/SR 167 Corridor Program stems from the I-405 Master Plan and SR 167 Corridor Plan, foundational documents that guide project development, funding and delivery. The I-405 Master Plan alone includes over 150 projects designed to improve travel between Lynnwood and the Renton/Tukwila area.…
Project

I-5 - 179th St. Interchange - Interchange Improvements

Timeline: Summer 2023 - Summer 2029
  • Road
  • Not started
  • Clark County
This project will improve mobility and safety for travelers who use the I-5 - Northeast 179th Street interchange by making interchange improvements and replacing signalized intersections with a yet to be determined interchange design at the on- and off-ramp to and from I-5. Route enhancements…
Project

I-5 - Chamber Way - Stage 2

Timeline: Summer 2020 - Late 2026
  • Road
  • Not started
  • Lewis County
To keep people and goods moving through Washington State, this project will focus on reducing congestion and improving safety on the I-5 corridor between the Chamber Way interchange and the State Route 6 interchange in Lewis County. Subject to cost savings provided by practical design solutions…
Project

I-5 - Chamber Way - Stage 2

Timeline: Summer 2020 - Late 2026
  • Road
  • Not started
  • Lewis County
To keep people and goods moving through Washington State, this project will focus on reducing congestion and improving safety on the I-5 corridor between the Chamber Way interchange and the State Route 6 interchange in Lewis County. Subject to cost savings provided by practical design solutions…
Project

I-5 - Gravelly-Thorne Connector

Timeline: 2023-2025
  • Road
  • Pre-construction
  • Pierce County
The Gravelly - Thorne Connector will give pedestrians and bicyclists access to the Tillicum and Woodbrook neighborhoods of Lakewood, from Gravelly Lake Drive
Project

I-5 - Interstate Bridge Replacement Program

Timeline: 2020 - 2025
  • Road
  • Not started
  • Clark County
As the only continuous north-south interstate on the West Coast between Mexico and Canada, I-5 is a vital trade route for regional, national and international economies. With one span now over 100 years old, it is at risk for collapse in the event of a major earthquake and no longer satisfies the…
Project

I-5 - M Street to Portland Avenue - HOV - Complete November 2018

Timeline: 2014 - 2018
  • Road
  • Completed
  • Pierce County
This project widened northbound and southbound I-5 so that each direction has four general-purpose lanes each and one HOV lane from M Street to Portland Avenue in Tacoma

To widen both directions of I-5, WSDOT rebuilt the Pacific Avenue and East McKinley Way bridges over I-5 and…
Project

I-5 - Mounts Rd. to Center Dr. - Auxiliary Lane Extension - Complete September 2018

Timeline: 2016-2018
  • Road
  • Completed
  • Pierce County
WSDOT extended the auxiliary lane south approximately 1.5 miles, so that it starts at the Mounts Road overpass. Trucks approaching the weigh station along with entering and exiting traffic use this lane while the majority of traffic uses the adjacent three through lanes.

To…
Project

I-5 - Mounts Rd. to Steilacoom-DuPont Rd. - Corridor Improvements

Timeline: 2023-2025
  • Road
  • Not started
  • Pierce County
To relieve chronic traffic congestion and improve mobility along I-5 in the vicinity of Joint Base Lewis-McChord, WSDOT is proposing to rebuild the interchange of Steilacoom-DuPont Road (Exit 119) and adding HOV lanes to I-5. This will support congestion relief on I-5 during peak traffic periods…
Major Project

I-5 - Mounts Road to Thorne Lane I/C - Corridor Improvements

Timeline: July 2015 to December 2025
In July 2015, the Washington State Legislature included $495 million to fund the I-5 Mounts Road to Thorne Lane Interchange - Corridor Improvements project, as part of the Connecting Washington transportation revenue package. The project is funded through a 10 year period, from 2015-2025.
Project

I-5 - NB Marine View Drive to SR 529 - Corridor and Interchange Improvements

Timeline: 2022 - 2024
  • Road
  • Pre-construction
  • Snohomish County
To address congestion at the I-5/SR 528 interchange and on I-5 between Everett and Marysville, WSDOT will build a new roundabout at the I-5/SR 529 interchange, add new ramps from I-5 northbound to SR 529 and SR 529 to southbound I-5, and extend the I-5 northbound HOV lane from near US 2 to SR 529.
Project

I-5 - NB Seneca to SR 520 - Mobility Improvements

Timeline: Spring 2021 - Winter 2023
  • Road
  • Construction
  • King County
To improve mobility on I-5 through Seattle, we will move barrier on a 1,500-foot section to create three through lanes near Seneca Street, add ramp meters for the Dearborn/I-90 and Cherry Street on-ramps and extend the Active Traffic and Demand Management system north to SR 520.
Project

I-5 - Portland Avenue to Port of Tacoma Road - Northbound HOV - Complete November 2018

Timeline: 2014-2018
  • Road
  • Completed
  • Pierce County
This project widened northbound I-5 from Portland Avenue to the Port of Tacoma Road to provide room for one HOV lane. As part of this project, WSDOT rebuilt the northbound I-5 Puyallup River bridge and the ramp to northbound SR 167, improved the Portland Avenue interchange, and repaved a portion of…

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Improved access to 98.2 miles of upstream fish habitat

through 15 fish passage projects in 2021.

28% increase in the value of exports and imports 

from $90.2 billion in 2020 to $115.5 billion in 2021.