Gallatin River - 3M SW Belgrade Construction Plans and Specifications

The Montana Department of Transportation (MDT) is seeking consulting firms to prepare comprehensive construction plans and specifications for replacing a scour critical bridge located at RP 3.4 on Amsterdam Road (S-347) crossing the Gallatin River in Gallatin County. The project requires detailed professional engineering services encompassing road design, geotechnical and hydraulics analysis, traffic assessments, right-of-way design and acquisition, utility coordination, environmental analysis, permitting, and public involvement. Deliverables will include complete plans, specifications, and estimate (PS&E) documentation. Proposing firms must hold Montana professional engineering licensure at the time of submission. The solicitation will be evaluated based on team qualifications (50 points), project approach (100 points), and past performance (30 points). Key deadlines include a proposal submission deadline of March 17, 2025, at 3:00 PM MST, with consultant selection scheduled for April 2, 2025. Interested parties can contact Kelly Williams at (406) 444-7961 or kwilliams@mt.gov for additional information.

While no specific Disadvantaged Business Enterprise (DBE) goals are mandated, firms are encouraged to utilize DBE subcontractors where applicable. The project has a targeted construction cost of $3.6 million, excluding preliminary engineering, construction engineering, indirect costs, right-of-way acquisition, and inflation. The bridge replacement will cover approximately 4,739 square feet of existing bridge deck, with a unit cost goal of $750 per square foot. The contract will be administered on a cost-plus fixed fee basis with negotiated cost ceilings. No incumbent vendors are specifically mentioned in the documentation. The procurement will follow a qualification-based selection process, with the ultimate goal of completing a critical infrastructure replacement that addresses potential scour risks and improves transportation infrastructure in the Gallatin River area near Belgrade, Montana.