M--TRAIL BRIDGE BLACKLAND PRAIRIE

The National Park Service is issuing this combined synopsis and solicitation under solicitation number 140P5225R0018 for the construction of trail bridges at the Blackland Prairie section near Milepost 261.1. This requirement involves the installation of pre-fabricated bridges, with specific delegated design responsibilities assigned to the contractor for the manufactured bridge elements. The project scope includes the assembly and installation of diaphragms, bearing plates, and steel angle nailer brackets, which require specific welding and bolting configurations to ensure structural integrity and corrosion resistance through galvanization, epoxy, or powder coating.

This procurement is classified under NAICS 237310 for Highway, Street, and Bridge Construction and PSC M1LB for Operation of Highways, Roads, Streets, Bridges, and Railways. Technical requirements specify that diaphragms may be bolted to girders, while bearing plates must be welded. Furthermore, hardware and structural components must be coated to minimize corrosion, and nailer brackets are to be spaced at a maximum of five inches on center along the length of the bridge.

The response deadline for this opportunity is July 17, 2025, at 2:00 PM CT. Proposals should be directed to the point of contact, Tara Clark. The solicitation includes six attachments, including two amendments, a statement of work, wage determinations for Lee County, and general solicitation clauses. This notice incorporates Amendment 0002, which provides clarifying responses to industry questions regarding delegated design and minor structural alterations.