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  5. ›Westside Highway Slide Repair Project

Cowlitz County·Washington

Westside Highway Slide Repair Project

Closes 9/14/2026$1M – $3MInvitation for Bid
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Description

The County of Cowlitz is seeking sealed bids for the repair of a slide on Westside Highway. The scope includes excavation, installation of a retaining wall and underdrain, placement of quarry spalls, crushed base course, hot‑mix asphalt, and provision of traffic control and related work. All bid documents are available online through the Builders Exchange of Washington; bidders must register on the BXWA site and submit a 5 % bid deposit. Bids are due September 14, 2026, at 1:30 p.m., and will be opened publicly at the Public Works Administration Building. • Project location: Westside Highway, Cowlitz County, WA • Work includes earthwork, retaining structures, drainage, paving, and traffic management • Required bid deposit: 5 % of bid amount (cash, certified check, or surety bond) • All documents (plans, specs, addenda) accessible via www.bxwa.com • Bids must be sealed and addressed to Susan Eugenis, County Engineer • No paper copies of bid documents will be provided; electronic access only • Compliance with civil rights and disadvantaged business enterprise policies required

Attached files

Contact

Susan Eugenis(County Engineer)

Key dates

Opened
8/20/2026
Closes
9/14/2026

Last updated

Details

Type
Invitation for Bid
Industry
Construction
NAICS
237310
Solicitation №
1775

Budget estimate

$1,000,000 – $3,000,000

Based on typical slide‑repair projects of similar length and complexity on state highways, the contract value is likely in the low‑to‑mid‑million‑dollar range. Assuming a 0.5‑mile slide area, excavation, retaining wall, drainage, and resurfacing, costs could range from roughly $1 million for a minimal repair to $3 million if extensive engineering, higher‑grade materials, and extensive traffic control are required. Factors influencing the final amount include the depth of the slide, material prices, and any unforeseen site conditions discovered during excavation.

AI estimate from the solicitation

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