Sault Ste. Marie, Michigan Mary". The Saint Mary's River runs from Lake Superior to Lake Huron; between what are now the twin border cities, located on either side. No hyphens are used in the English spelling, which is otherwise identical to the French, but the pronunciations differ. Anglophones say and Francophones say . In French, the name can be written "Sault-Sainte-Marie". On both sides of the border, the towns and the general vicinity are called The Sault (usually pronounced ) or The Soo. The two cities are joined by the International Bridge, which connects Interstate 75 (I-75) in Sault Ste. Marie, Michigan, and Huron
Sault Ste. Marie International Bridge MP Carmen Provenzano, was officially opened in September 2006. Construction work subsequently commenced in 2009 on a project to expand and modernize the Canadian bridge plaza, including a larger Canada Border Services Agency building with improved truck inspection facilities and a dedicated route to take trucks directly to Carmen's Way, thereby eliminating the need for trucking traffic to enter Huron Street. Beginning in May 2014, construction work commenced on improvements to the plaza on the Michigan side of the bridge. The 100 millionth crossing occurred on March 1, 2018. Sault Ste. Marie International Bridge The Sault Ste. Marie International Bridge