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I-405, Brickyard to SR 527 Improvement Project

Contract summary

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 and related facilities, and new fish passage culverts within the project vicinity.

Public Works
Publication Date
Contract status
Awarded
Contract ID
009727
County
King County
Snohomish County
Submittal due date and time
Estimated value
$500,000,000
Funding source
A state funded project with participation by Sound Transit. Contains a 5% condition of award Small Business Enterprise goal and a 3% condition of award Veteran Owned Business goal.
Contact
Evelyn Pao
Project Director
evelyn.pao@wsdot.wa.gov
425-495-1577
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Award Status

  • Awarded 7/27/2023
  • Award amount: $834,000,000.00
  • Awarded to: Skanska USA Civil West California District Inc.
    6100 219th St SW, Suite 300
    Mountlake Terrace, WA 98043

Redacted statement of qualifications and proposals

Redacted statement of qualifications and proposals (FTP Directory) - posted 8/23/2023

Conformed request for proposal

Price proposal opening results

Request for proposal Addenda

Request for proposal Q&A

Voluntary proposers meeting

Request for proposal

Short listed submitters

Short list letter (PDF 211KB) - posted 10/24/2022

Submitters list

Submitters list with point of contact and participants (PDF 82KB) - posted 9/16/2022

Request for qualifications addenda

Addendum 1 (PDF 172KB) - posted 8/29/2022

Voluntary submitters meeting

Request for qualifications

Project information available