Project Information

Bid Title

SR509 Miller Creek Fish Passage

Issuing Agency

State Government of Washington

Location

Washington

Published Date

Mar 24, 2026

Closing Date

Jul 16, 2026

Government Level

State & Local

Status

Closed

Ref. #

XE3718

Original Source

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Project Description

• Contract

SR509 Miller Creek Fish Passage

Contract summary

This Project will remove (2) fish barrier culverts and (7) weirs. These existing fish barriers will be replaced with a fish-passable structure and a new stream alignment under SR 509/Des Moines Memorial Drive. Work will include, but is not limited to, fish exclusion and temporary stream bypass systems, maintenance of traffic utilizing temporary traffic bypasses and or road closures, removal of the existing fish barriers, earthwork above and below ordinary high water, structure and wall construction, roadway reconstruction, guardrail installation, channel reconstruction, channel re-alignment, streambed restoration, roadside restoration, erosion control, water management and traffic control.

Public Works

Publication Date

March 19, 2026

Contract status

Planned

Contract ID

XE3718

County

King County

Submittal due date and time

Thursday, July 16, 2026 - 11:59pm PDT

Estimated value

$20,000,000 - $30,000,000

Funding source

State Funding and Federal Funding - Mandatory Public Works Small and Veteran-Owned Business participation goals to be determined

Contact

Pedro Mena

Project Manager

Pedro.Mena@wsdot.wa.gov

206-440-4583

Conrad Guadagni

Project Engineer

Conrad.Guadagni@wsdot.wa.gov

206-440-4583

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Commodity Codes

• NAICS 237310Highway, Street, and Bridge Construction
• NAICS 237990Other Heavy and Civil Engineering Construction

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