Yellowstone and Musselshell counties $105 million Owner: Global Rail Group Contractor: Ames Construction Inc. Design Firm: TranSystems Start: July 2008 Finish: Aug. 2009 This design-build project consisted of a 36-mile-long railroad spur that included the construction of five bridges. The project included onsite processing of 382,000 cu yd of material for production of sub-ballast. The bridges are all three-span structures utilizing precast concrete girders and cast-in-place footings, piers, abutments and decks.