morrison maierle bridge engineering

Toston Structures The Toston Structures consist of a 661-foot-long highway bridge—and an adjacent 350-foot-long railroad bridge—over the Missouri River in Montana between Townsend and Three Forks. The structures have intermediate river piers, steel beams and cross frames, and nearly 7,000 square feet of concrete decks between them. Our services included: Highway design Bridge engineering Survey Natural resources Two Corridors, Two Possibilities The 75-year-old structures were at the end of their design lives. They also had a treacherous curve with no shoulders, and inspections showed cracking in some critical areas. In 2011, the Montana Department of Transportation (MDT) completed a simulation on the US-287 corridor crossingsRead More →