Specifications include, but are not limited to: New construction of an arterial roadway and steel bridge structure to include grading, gravel, storm water collection, plant mix bituminous surfacing, concrete, a roundabout intersection, a pedestrian tunnel, structural steel, structural concrete, concrete bridge decking, lighting, signing, pavement markings, and other improvements for a segment of the Billings Bypass crossing the Yellowstone River and connecting to Five Mile Road. The project will include the development of a new 9-span 1,858' steel and concrete bridge structure across the Yellowstone River. The 0.8 mile project is located east/northeast of the Height's area of the city of Billings, Yellowstone County, Montana, within Section 12, T 1 North and R 26 East and Section 7, T 1 North and R 27 East.