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339 results

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 - 2025
  • Road
  • 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 - Spring 2024
  • 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…
Project

I-5 - Portland Avenue to Port of Tacoma Road - Southbound HOV

Timeline: February 2019 - 2023
  • Road
  • Construction
  • Pierce County
This project replaced the 1965 southbound I-5 Puyallup River Bridge. The new bridge is built to current seismic standards and will be straighter and wider than the previous bridge.

The project also modified the Port of Tacoma Road on-ramp to southbound I-5, demolished the existing…
Project

I-5 - SB East Fork Lewis River to North Fork Lewis River - Concrete Pavement Rehab - Complete Fall 2021

Timeline: April 2021 - Fall 2021
  • Road
  • Completed
  • Clark County
Beginning in summer 2021, contractor crews rehabilitated a nearly two mile stretch of southbound Interstate 5, just south of Woodland, WA in Clark county. Sections of the interstate were showing signs of wear and tear. There were cracks, ruts and potholes in many places along the highway. The…
Project

I-5 - SB S Spokane St to I-90 W-S Ramp - Deck Overlay & Expansion Joints - Complete March 2023

Timeline: May 2021 - Winter 2023
  • Road
  • Completed
  • King County
This two-year rehabilitation project replaced 56 expansion joints and repaved 1.25 miles of southbound I-5 between I-90 and Spokane Street. This project is one of dozens that make up Revive I-5, which will rehabilitate the I-5 corridor in the King County area in the next 10 years.
Project

I-5 - SB Stillaguamish River Bridge - Painting - Complete Summer 2022

Timeline: December 2020 - Summer 2022
  • Road
  • Completed
  • Snohomish County
The Stillaguamish River Bridge was in need of new paint to preserve and protect its aging structure. Existing paint on the southbound I-5 bridge was weathered and damaged, allowing corrosion to occur. This bridge preservation project removed old peeling paint, cleaned exposed metal and applied new…
Project

I-5 - Slater Road Interchange - Improvements

Timeline: Winter 2020 - Fall 2024
  • Road
  • Pre-construction
  • Whatcom County
WSDOT is starting work on the Slater Road corridor north of Bellingham, between Rural Avenue, west of I-5, and Northwest Drive, east of I-5. These improvements are broken into multiple phases and the projects will relieve congestion on the I-5 off ramps at the Slater Road Interchange. This will…
Project

I-5 - Snohomish River Bridge Painting

Timeline: Summer 2023-fall 2024
  • Road
  • Construction
  • Snohomish County
Corrosion from weather can damage bridges. Beginning in summer 2023, contractor crews will clean and paint the metal surfaces of the I-5 Snohomish River Bridge in Everett to prevent this. This work will prolong the life of the bridge.
Project

I-5 - SR 16 Realignment - HOV Structure and Connections - Complete December 2019

Timeline: January 2017- December 2019
  • Road
  • Completed
  • Pierce County
To increase safety, improve mobility and reduce congestion, WSDOT rebuilt the entire I-5/SR 16 Nalley Valley interchange.

Reconstruction of the interchange was staged to keep people and goods moving. The first two stages of work rebuilt the westbound and eastbound Nalley Valley…
Major Project

I-5 - SR 16 Tacoma/Pierce County HOV Program

Timeline: 2000 to 2022
The Tacoma/Pierce County HOV Program is a series of projects, spanning over 20 years, that build high-occupancy-vehicle (HOV) lanes on I-5, SR 16 and SR 167 in Pierce County.
Project

I-5 - SR 161 - SR 18 Triangle Interchange Vicinity - Improvements

Timeline: 2010-TBD
  • Road
  • Pre-construction
  • King County
This project has been suspended. There is no timeline for when it may resume.
Project

I-5 - SR 510 Interchange - Reconstruct Interchange - Complete August 2021

Timeline: October 2018 - August 2021
  • Road
  • Completed
  • Thurston County
Crews reconfigured the Marvin Road overpass to create a diverging diamond interchange. The rebuilt interchange is intended to help ease congestion and reduce the potential for crashes. The project was constructed ahead of planned major development in Lacey north of I-5.

A diverging…
Project

I-5 - SR 528 - Marine Drive and 88th St. NE Interchanges - Tulalip Tribes lead

Timeline: 2019-2025
  • Road
  • Pre-construction
  • Snohomish County
The Marine Drive and 88th Street Northeast interchanges near Marysville are frequently congested, with traffic backing up onto I-5. They're also two of only three access points to the Tulalip Tribes reservation. The Tribes are leading this project to improve access and mobility at the…
Project

I-5 - Steilacoom-DuPont Rd. to Thorne Lane - Corridor Improvements - Complete September 2021

Timeline: Fall 2018 - Fall 2021
  • Road
  • Completed
  • Pierce County
To relieve chronic traffic congestion and improve mobility along Interstate 5 in the vicinity of Joint Base Lewis-McChord, WSDOT is rebuilding the interchanges at Thorne Lane and Berkeley Street and adding lanes to I-5. Once construction is finished, the new lane in each direction on I-5 will open…
Project

I-5 - Woodland Vicinity at Horseshoe Lake - Upgrade Pump System - Complete Fall 2021

Timeline: Spring 2020 - Fall 2021
  • Road
  • Completed
  • Cowlitz County
The Horseshoe Lake pump station located along Interstate 5 near the City of Woodland in Cowlitz County is a water intake and pump system that moves water from the Lewis River into Horseshoe Lake. The pump keeps water flowing between the lake and the Lewis River and helps maintain water quality in…
Project

I-5 and SR 11 Padden Creek - Fish Passage - Complete Fall 2022

Timeline: Fall 2019 - Fall 2022
  • Road
  • Completed
  • Whatcom County
WSDOT will construct this project through the design build process, removing two fish barriers, one under SR 11 at 30th Street, the other under Interstate 5, south of the SR11/Old Fairhaven Parkway on- and off-ramps and replacing them with fish passable structures. Additional improvements will be…
Project

I-5 East Fork Lewis River NB Bridge - Replacement

Timeline: 2020 - 2028
  • Road
  • Pre-construction
  • Clark County
The purpose of this project is to remove and replace the northbound span of the I-5 East Fork Lewis River located at milepost 18.21, approximately 3 miles south of Woodland near the Clark and Cowlitz County lines. The existing bridge also crosses over the Paradise Point State Park day use area and…
Project

I-5 Kincaid Sign Structure Replacement - Complete October 2022

Timeline: Summer 2022
  • Road
  • Completed
  • Skagit County
This project replaced the existing sign bridge on southbound Interstate 5 at Kincaid Street (exit 226) in Mount Vernon that was previously damaged.
Project

I-5 Marvin Rd to Mounts Rd Planning and Environmental Linkage/NEPA

Timeline: 2023-2024
  • Road
  • Pre-construction
  • Thurston County
  • Pierce County
This project began with a federal Planning and Environmental Linkages (PEL) study focused on Interstate 5 from Marvin Road to Mounts Road. The National Environmental Policy Act (NEPA) environmental review will start in 2024.

This next phase will study I-5 from Marvin Road to Mounts…
Project

I-5 NB/SB North Fork Lewis River Bridge – Bridge Deck Repair & Overlay

Timeline: Spring 2023 - Fall 2024
  • Road
  • Construction
  • Clark County
This project includes repairing the bridge deck, modifying expansion joints and installing a polyester concrete overlay on both I-5 northbound and southbound bridges over the North Fork Lewis River. Once complete, travelers will experience a smoother, safer driving surface and the commercial…
Project

I-5 Southbound Joe Leary Slough to Nulle Road Vic Concrete Rehabilitation - Complete September 2023

Timeline: May 2023 - September 2023
  • Road
  • Completed
  • Whatcom County
  • Skagit County
Along a 12-mile stretch of southbound Interstate 5 in Whatcom and Skagit counties between milepost 243 just north of Nulle Road to milepost 231 near the State Route 11/Chuckanut Drive interchange the pavement was worn, and the pavement was full of cracks, ruts and potholes along the highway. The…
Project

I-5 Southbound Samish River Bridge Deck Overlay - Complete August 2022

Timeline: Winter 2021 - Fall 2022
  • Road
  • Completed
  • Skagit County
This preservation project will replace the top portion of the deteriorating bridge deck of the Samish River Bridge located on I-5 southbound at milepost 234. Crews will replace the worn surface with a new polyester deck overlay. The paved panel joint seals will also be replaced.
Project

I-5 – Dike Access Road Bridge Deck and Expansion Joints

Timeline: Spring 2024 - Summer 2024
  • Road
  • Construction
  • Cowlitz County
In spring 2024, contractor crews will begin work to improve the southbound lanes of the I-5 Dike Access Road Bridge that spans over Dike Access Road and the railroad bridge, just north of Woodland, in Cowlitz County, WA.
Project

I-5 – Koontz Road Bridge – Emergency Bridge Repair

Timeline: Nov. 2021 - Dec. 2023
  • Road
  • Construction
  • Lewis County
On Sunday, Nov. 14, 2021, an over height load was traveling northbound on I-5 when it struck and damaged the northbound span of Koontz Road overpass, located between milepost 69.35-69.48, in Lewis County.

Following the bridge strike, WSDOT bridge crews assessed the damage and…
Project

I-5 – SW Parkland Drive to Harrison Ave – Ramp Meters (Chamber Way -stage 2)

Timeline: Summer 2024 - Spring 2025
  • Road
  • Pre-construction
  • Lewis County
To ensure smooth travel for both commuters and cargo across Washington State, contractor crews will implement an advanced technology system. This system optimizes the existing roadway infrastructure to alleviate congestion, enhance safety, and ensure reliable trips along the I-5 corridor in Lewis…
Project

I-5/Duwamish River to S Lucile St – Concrete Pavement Rehab

Timeline: Summer 2023 - late 2024
  • Road
  • Construction
  • King County
We will rehabilitate both directions of Interstate 5 between the Duwamish River and Lucile Street in Seattle. To do this, we will replace some of the panels, grind the highway to eliminate high spots and repair the expansion joints on the northbound and southbound I-5 overpasses above Military Road…
Project

I-5/I-205 - Concrete Panel Replacement and Joint Rehabilitation - Complete Fall 2023

Timeline: Spring 2022 - Fall 2023
  • Road
  • Completed
  • Clark County
In summer 2022 and 2023, WSDOT's contractor, Granite Construction, replaced roughly 100 concrete panels along both directions of I-205 between the Glenn Jackson Bridge near the SR 14 interchange and the I-5/I-205 split and along southbound I-5 between Northeast 179th Street and the I-5/I-205…
Project

I-5/I-205 - Ramp Meter Installation

Timeline: July - April 2024
  • Road
  • Construction
  • Clark County
Starting in Summer 2023, WSDOT contractor crews will install new ramp meters at several on-ramps along northbound Interstate 5 and southbound Interstate 205 in Clark County.

Ramp meters, a type of traffic signal, are employed to regulate the rate at which vehicles enter the freeway…

Slow down – lives are on the line. 

In 2023, speeding continued to be a top reason for work zone crashes.

Even one life lost is too many.

Fatal work zone crashes doubled in 2023 - Washington had 10 fatal work zone crashes on state roads.

It's in EVERYONE’S best interest.

95% of people hurt in work zones are drivers, their passengers or passing pedestrians, not just our road crews.