SW District, St. Clair County, Demolition of existing bridge and construction of new 70' prestressed concrete NU-girder bridge

This solicitation invites qualified contractors to submit sealed bids to replace an existing bridge on County Road SE 750 over West Coon Creek in St. Clair County, Missouri. The scope includes complete demolition of the existing structure, construction of a new 70‑ft prestressed concrete NU‑girder bridge, and associated approach roadway and incidental work. Bidders must be on the Missouri Department of Transportation Qualified Contractor List, purchase the plans from Great River Engineering, provide a 5 % bid bond, and comply with prevailing‑wage (Annual Wage Order 33) and OSHA safety requirements. The contract will be awarded to the lowest responsive and responsible bidder. • Demolition of the existing bridge and site cleanup. • Construction of a 70‑ft prestressed concrete NU‑girder bridge with new approach roadways. • Mandatory compliance with prevailing‑wage (state or Davis‑Bacon) and a 10‑hour OSHA construction safety program. • No second‑tier subcontracting; all work must be performed by the prime contractor.