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Washington State Department of Transportation (WSDOT) solicits interest from consultants interested in submitting a Statement of Qualifications (SOQ) to assist WSDOT with stormwater conveyance system mapping Statewide. One (1) agreement may be…

Installing a box culvert, grading, stream alignment, storm sewer realignment, existing culvert slip lining, hot mix asphalt paving, pavement marking, guardrail, erosion control, planting, cable vault, fiber optic cable, fiber testing, traffic control and other work. Involves 86 items and 47 Working…

Remove and replace existing culverts with new fish passable structures, earthwork, structure installation, pavement repair, paving, pavement marking, replacing detection loops, temporary detour, channel realignment, streambed restoration, temporary erosion and sediment control, drainage, and…

The existing water crossing structures at this location have been identified as fish passage barriers. By replacing the existing structures with fish passable structures, the restriction to fish passages will be eliminated.

WSDOT will build the remaining two miles of new SR 509 Expressway, reconfigure SR 509 interchanges at South 188th and South 160th Streets and add a southbound auxiliary lane on I-5 between SR 516 and South 272nd Street.

The Washington State Department of Transportation (WSDOT) plans to replace 29 existing fish barriers within Kitsap County with fish passable structures utilizing a progressive design-build delivery method. This project will replace 29 existing fish barrier crossings on SR 3, SR 104, SR 303, SR3 07…

The SR 167 Corridor Improvements Project will upgrade the toll system on SR 167 by updating the functionality to mirror the toll system on the I-405 express toll lanes (ETLs), which includes photo tolling, destination pricing, implementing double white line buffers in select areas and other general…

This contract provides for the preservation of the tollbooths at Anacortes Ferry Terminal, in Skagit County. This work consists of demolition and replacement of the existing tollbooths, installation of a steel canopy, upgraded signing to meet Americans with Disabilities Act (ADA) requirements and…

Planing bituminous pavement, paving with hot mix asphalt, erosion and water pollution control, traffic control and other work. Involves 13 items and 15 working days. Work Class 4.

This project will remove existing barriers to fish migration at the following US 101 & SR 116 stream crossings and replace with fish-passable structures in compliance with the federal injunction regarding fish passage underneath WSDOT highways Tumwater Creek (US 101 MP 246.4), Ennis Creek (US…

This project will replace the existing Portage Bay Bridge 520/3, with two new parallel variable depth segmental box girder bridges across Portage Bay, the existing SR 520 eastbound off-ramp structure to Montlake Boulevard East, the existing 10th Ave E and Delmar E under-crossings with a new…

This project will replace the existing fish barrier culvert crossings on SR 20 at Unnamed Tributary to Skagit River (milepost 94.82, Washington Department of Fish and Wildlife Site 991126) and SR 20 at Olson Creek (milepost 105.42, Washington Department of Fish and Wildlife Site CD18) with fish…

The proposed I-405, Brickyard to SR 527 Improvement Project will create a dual express toll lane (ETL) system from south of the I-405/SR 522 interchange to the I-405/SR 527 interchange. This project includes new lanes, direct access ramps, interchange improvements, Stride bus rapid transit stations…

The project provides for the improvement of I-5, from milepost 116.55 to 120.94, Pierce County. I-5 will be widened to accommodate four thru-lanes in each direction. Auxiliary lanes will be added to both directions of I-5 between the Center Drive and Steilacoom-DuPont Road interchanges. The left…

This project is to remove nine existing fish barriers and replace them with fish-passable crossings at I-90 Sunset Creek, SR 161 Unnamed Tributaries to Hylebos Creek and SR 202/SR 203 Tributaries to Snoqualmie River. The project shall include, but is not limited to, the following:
Design…

The proposed I-405, Northeast 85th Street Interchange and Inline Station Project (Project) is located within the City of Kirkland along Interstate 405 (I-405) between milepost (MP) 17.4 to MP 18.9. The Project proposes to replace the existing two-level cloverleaf interchange at NE 85th Street with…

Earthwork, culvert removal and installation, hot mix asphalt (HMA) paving, pavement marking, guardrail, roadside restoration, temporary erosion control, traffic control and other work. Forty working days. Involves seventy-five items.

This project will remove existing barriers to fish migration at the following US 101 stream crossings and replace with fish-passable structures in compliance with the federal injunction regarding fish passage underneath WSDOT highways:

Mason County (SR 108)
Unnamed Tributary…

Remove and replace the aging East Fork Lewis River Bridge located on northbound Interstate 5, at milepost 18.21 - approximately 3 miles south of Woodland, in Clark County.

This project will remove existing barriers to fish migration several US 101 stream crossings and replace with fish-passable structures in compliance with the federal injunction regarding fish passage underneath WSDOT highways. Other elements include, but are not limited to, constructing embankments…

This project proposes to construct a new approximately 2-mile SR 509 Spur alignment between SR 509 and I-5 supported on embankment, including interchanges at I-5, 54th Avenue East, and SR 509.

This project proposes to construct a new half diamond interchange at NE 132nd Street, new fish passable culverts along the I-405 corridor, and improve local roadway access within project limits.

This project will improve the I-5/SR 529 interchange by adding a new NB off-ramp to SR 529 and a new on-ramp to SB I-5 from SB SR 529. The project will improve NB I-5 travel by adding a new permanent fourth lane for high occupancy vehicles.

The project will replace approximately 29 existing fish barriers along US101 and SR 109 with fish passable structures in Grays Harbor, Jefferson, and Clallam Counties. This project will be delivered in two phases utilizing the PDB delivery method. The Phase 1 will include preliminary engineering to…

The project will construct a four-lane Diverging Diamond Interchange (DDI) at the I-90 and SR 18 interchange in combination with the widening of SR 18 to four lanes to improve traffic operations and safety and reduce congestion at the I-90 and SR 18 interchange and along the SR 18 mainline.

The project will construct a multi-use path between north of Carlisle Avenue and the Columbia Avenue trailhead in Hillyard.

The project will also construct pedestrian bridges over Euclid Avenue, mainline NSC and BNSF railroad (at Garland Avenue), and Wellesley Avenue. This will…

This project will replace the existing fish barrier culvert crossings on I-5 at Padden Creek (MP 250.45 to MP 250.65, WDFW Site 994233) and SR 11 at Padden Creek (MP 20.95 to MP 21.25, WDFW Site 994386) with fish passable water crossing structures.

The purpose of this project is to replace existing fish barrier crossings for Chico Creek and an Unnamed Tributary to Chico Creek with fish passable structures. The barriers are located at SR 3 MP 40.96, SR 3 southbound off-ramp to Chico Way, SR 3 southbound on-ramp, and an SR 3 maintenance access…

The SR 509 Stage 1b is the first major stage of the SR 509 Completion Project, located in King County in the cities of Des Moines, Kent and SeaTac. WSDOT plans to complete construction of the SR 509 Completion Project in two major stages by 2028.

When completed, the project will…

The project will reconstruct US 12 as a Limited Access Full Control four lane divided highway to reduce crash risk and improve economic vitality.