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Snohomish County·Washington

Stanwood/Marine Drive Culvert Replacement

Closes 11/10/2026$3.5M – $4.5MInvitation for BidLogin required
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Description

The County of Snohomish is soliciting sealed bids for the design‑build replacement of a culvert on Marine Drive in Stanwood. The project, identified as RR48105, WC8105, UPI 21‑0012, has an engineer’s estimate of $4.1 million and will be funded by FHWA and county resources. Small Business Enterprise (SBE) goals require 16 % of the contract value to go to small businesses. All bid documents, plans, specifications, and addenda are hosted in the Snohomish County Projects Online virtual plan room (Builders Exchange of Washington). Bids must be submitted in writing to the Purchasing Division by the due date, sealed, and labeled with the bid number and proposer’s name. The bid opening will be streamed via Microsoft Teams and also available by phone. • Scope: Replace existing culvert on Marine Drive, likely involving excavation, installation of new pipe, back‑fill, and restoration of roadway surface. • Funding: Federal Highway Administration (FHWA) plus county funds; SBE goal of 16 % participation. • Submission: Sealed bids due 11/10/2026 11:00 AM, with clarifications due 10/23/2026 11:00 AM. • Access: Full bid documents available free of charge through the virtual plan room (BXWA).

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

[email protected]

(425) 388-3344

Key dates

Opened
10/7/2026
Questions due
10/23/2026
Closes
11/10/2026

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
237310
Solicitation №
PW-26-0802SB

Budget estimate

$3,500,000 – $4,500,000

The engineer’s estimate for the project is $4,114,624.20, which represents the total contract value. Assuming typical contractor profit margins of 5‑10 % for civil infrastructure work, the net earnings for the successful bidder would likely fall in the $3.5 M–$4.5 M range. Factors influencing the final budget include the exact scope of work, material costs, prevailing labor rates, and any change orders during construction.

AI estimate from the solicitation

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