Demolition, site work and new construction of a bridge / tunnel in Bonanza, Oregon. Completed plans call for the demolition of a bridge / tunnel; for the construction of a bridge / tunnel; and for site work for a bridge / tunnel.

The work generally consists of removing an existing multi-span, two-lane, timber bridge and constructing a new reinforced concrete bridge with precast concrete box beams along with required excavation, abutments, wingwalls, slope protection measures, roadway work, drainage structures, and traffic control. The work is primarily located on East Langell Valley Road near the intersection of Bunn Way in Bonanza, Oregon. Plans, Supplemental Standard Specifications, and Special Provisions may be obtained from the Klamath County Bids Posting Website. A surety bond issued by a surety company authorized to do business in the State of Oregon, irrevocable letter of credit issued by an insured institution as defined in ORS 706.008, cashier's check or certified check made payable to the Klamath County Commissioners in the amount of 10% of the total bid must accompany the sealed bid. Written sealed bids in envelopes marked '2026 EAST LANGELL BRIDGE OVER LOST RIVER' shall be delivered or mailed to Sandra Cox, Public Works Manager, Klamath County Public Works Department, 305 Main St., Klamath Falls, OR 97601. No bid will be considered if received later than 10:00 A.M., 2/24/2026. The bids will be opened and read aloud immediately thereafter in the Public Works Conference Room #232, 305 Main St., Klamath Falls, Oregon. Bids submitted by facsimile transmission will not be accepted. At least ten days prior to bid opening, all bidders must submit to Klamath County a Contractor's Prequalification Application, even if the contractor is already prequalified with the State of Oregon. The classes of work for this project are: Bridges and Structures (Most recent edition of Contractor's Prequalification Application form must be used). All contractors and subcontractors performing work on this project must be licensed with the Construction Contractors Board in accordance with ORS Chapter 701. A Performance Bond and Payment Bond each in the amount of the bid will be required of the successful bidder. Klamath County will reject any bid not in compliance with all prescribed public bidding procedures and requirements, and may for good cause, reject any or all bids upon a finding of Klamath County it is in the public interest to do so. Klamath County reserves the right to waive informalities. All bids are subject to Oregon Law bid procedures. Upon notice of intent to award, a seven-day protest period is available for bidders to submit a written protest of such intent to award by Klamath County. The bidder must indicate on the bid whether bidder is a resident bidder as defined in ORS 279A.120. Bidder must comply with Equal Employment Opportunity Compliance requirements. This is a public works project, subject to BOLI wages and ORS 279C.800 to 279C.870. The engineer's estimate for this project is $3,250,00 to $3,750,000. *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document. Work shall include, but not necessarily be limited to: Removal of existing multi-span, timber bridge, and constructing a new 114 ft long, single-span bridge with precast concrete box beams along with required excavation, abutments, wingwalls, slope protection measures, roadway work, drainage improvements, and traffic control. Question Deadline 02/13/2026 at 12:00 PM PT All questions regarding the Plans and Specifications must be submitted to Michael Zarosinski, P.E. in written form via email at mzarosinski@klamathcounty.org by registered plan holders only.