Project Information

Bid Title

I-90, EB Mercer Slough Bridge Rehab

Issuing Agency

State Government of Washington

Location

Washington

Published Date

Mar 2, 2026

Closing Date

Apr 1, 2026

Government Level

State & Local

Status

Closed

Ref. #

XE3704

Original Source

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Project Description

• Contract

I-90, EB Mercer Slough Bridge Rehab

Contract summary

Requires replacing bearing seats, repairing expansion joint headers, replacing expansion joint seals, erosion control, relocating water main pipe support facilities, traffic control and other work. 68 working days. Work Class 6, bridges and structures.

Public Works

Publication Date

March 02, 2026

Contract status

Advertised

Contract ID

XE3704

County

King County

Submittal due date and time

Wednesday, April 1, 2026 - 11:00am PDT

Estimated value

$4,000,000 - $5,000,000

Funding source

A federally funded contract with a 19% federal small business enterprise goal.

Contact

Thomas LaBolle

Project Engineer

Thomas.LaBolle@wsdot.wa.gov

206-768-5862

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Project information available

You can find plans and specifications, plan holder lists, addenda, reference information, questions and answers and other contract documents in the I-90 EB Mercer Slough Bridge Rehab archive.

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Commodity Codes

• NAICS 237990Other Heavy and Civil Engineering Construction

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