Spanning Nations On this day in history, work began on one of North America’s most impressive feats of cross-border engineering — the Sault Ste. Marie International Bridge. Stretching across the St. Marys River, this steel truss arch bridge connects Sault Ste. Marie, Michigan, and Sault Ste. Marie, Ontario — known affectionately as the “Twin Soos.” Before the bridge, the only way to cross between these two border towns was by ferry. The ferry service dated back to 1865. The dream of a fixed crossing took decades of planning. When construction finally began in 1960, the project moved swiftly toward a… Read More »












