Bid guide

How to bid on the Westside Highway Slide Repair Project for Cowlitz County

Cowlitz County Kelso, WACloses September 14, 2026

What Cowlitz County is buying

Cowlitz County is looking for a contractor to perform slide repair work on Westside Highway in Kelso, WA. This project involves several construction tasks, including excavation, installing a retaining wall, and placing an underdrain, quarry spalls, and crushed surfacing base course. The work also includes hot mix asphalt paving and furnishing traffic control.

This is a public works project, which means it is a direct opportunity for construction firms to secure a contract with a local government agency.

Key dates and what happens at the deadline

The solicitation was published on August 20, 2026. All responses must be submitted by September 14, 2026, at 4:30 PM ET. It is crucial to submit your bid before this deadline, as late submissions are typically not accepted. The specific method for submission will be detailed in the bid documents.

Who this opportunity suits

This opportunity is suitable for construction firms with experience in civil engineering projects, particularly those involving road repair, excavation, retaining wall construction, and paving. Companies specializing in public works contracts and highway maintenance will find this project aligns with their capabilities. The relevant category for this work is construction.

How to respond

To access the full bid documents, you need to visit the Cowlitz County public bid postings page. The posting and all related document links will be available on that specific bid detail page. No sign-in is required to view these documents.

Once you have reviewed all the materials, prepare your response according to the instructions provided in the solicitation. Submit your completed bid as directed in the posting before the September 14, 2026, deadline.

Tips for preparing a competitive response

When preparing your bid, carefully read all sections of the solicitation to ensure full compliance with every requirement. Pay close attention to the scope of work, technical specifications for materials like hot mix asphalt and quarry spalls, and any specific requirements for traffic control. Clearly demonstrate your firm's experience with similar slide repair or road construction projects.

Provide a detailed breakdown of your proposed costs and ensure your pricing is competitive and realistic. Include a clear project schedule and outline your approach to managing the various phases of work, from excavation to final paving. Highlight your safety protocols and any relevant certifications or qualifications your team holds for this type of construction.

See the live bid — deadline, agency details, and how to respond

Dates and requirements can change via addenda; always verify on the bid page and at the original source before responding.

View this bid on BiddingSimple

This guide was prepared by BiddingSimple from the solicitation’s public posting. It is not official guidance from Cowlitz County; the original posting controls.