NW District, Linn County, Demolition of existing bridge and construction of a new 55-foot single span prestressed spread box beam bridge

This sealed‑bid invitation from Linn County Commission seeks qualified contractors to demolish two existing bridges and construct new prestressed spread‑box‑beam bridges—one 55 ft span and one 50 ft span—along with associated approach roadway work. Bidders must be on the Missouri Department of Transportation Qualified Contractor List, purchase the detailed plans from Great River Engineering, and provide a 5 % bid bond. The contract will be awarded to the lowest responsive and responsible bidder, with strict compliance to prevailing‑wage requirements (Missouri Annual Wage Order 33 and Davis‑Bacon rates) and an OSHA 10‑hour safety program. No second‑tier subcontracting is permitted.