I 90 Road Construction Seattle

Major Project

Alaskan Way Viaduct Replacement Program

Timeline: 2007 - 2022

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 - Fall 2023

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

Timeline: February 2019 - July 2021

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

Ferries - Mukilteo Multimodal Terminal Project

Timeline: Spring 2015 - December 2020

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

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: Hybrid Electric Olympic Class: 2022-2055 (tentative), Conversion of M/V Wenatchee to Hybrid Electric Propulsion: Winter 2022-2

Washington State Ferries (WSF) is undertaking an ambitious initiative to move toward a "greener" ferry fleet with the goal of a reliable fleet that has a lighter footprint on the environment and outperforms carbon dioxide reduction targets. In a typical year, WSF burns more than 18 million gallons…

Project

Holgate to King Street Viaduct Replacement

Timeline: 2011 - 2014

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: Spring 2022- Fall 2023

In summer 2021, 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/Northeast 132nd Street Interchange Project

Timeline: We anticipate construction beginning in spring 2022 with the new interchange opening to traffic in 2024.

We 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 option to access I-405 at Northeast 132nd Street, rather…

Project

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

Timeline: Construction began in 2020 and we anticipate opening to traffic in 2024.

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.

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-405/SR 522 Vicinity to SR 527 Express Toll Lanes Improvement Project

Timeline: The current Legislative schedule has the project opening in 2027.

The I-405/SR 522 Vicinity to SR 527 Express Toll Lanes 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…

Project

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

Timeline: Summer 2023 - Fall 2030

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 2024

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

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

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

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 Steilacoom-DuPont Rd. - Corridor Improvements

Timeline: 2015-2025

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

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 - Fall 2022

To improve mobility on I-5 through Seattle, we will move barrier on a 1,500-foot section to create three lanes, 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 - Northbound On-Ramp at Bakerview - Improvements

Timeline: December 2020 - Fall 2021

WSDOT will add a second northbound I-5 on-ramp on the east side of the freeway at the Bakerview Road interchange to increase access from the eastside of the area. The existing ramp on the west side will remain for those heading northbound approaching from the west. The addition of this ramp will…

Project

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

Timeline: February 2019 - 2022

This project replaces 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 modifies the Port of Tacoma Road on-ramp to southbound I-5, demolishes the existing…

Project

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

Timeline: April 2021 - Fall 2021

Beginning in summer 2021, contractor crews will rehabilitate a nearly two mile stretch of southbound Interstate 5, just south of Woodland, WA in Clark county. Sections of the interstate are showing signs of wear and tear. There are 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

Timeline: May 2021 - Fall 2022

This two-year rehabilitation project will replace 56 expansion joints and repave 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

Timeline: December 2020 - Fall 2021

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

WSDOT is starting work on a project to improve the Slater Road corridor north of Bellingham, between Rural Avenue, west of I-5, and Northwest Drive, east of I-5.

Source: https://wsdot.wa.gov/construction-planning/search-projects

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