St. Marys River (Michigan–Ontario) arch bridge, takes road traffic across the river. Directly to the west is the Sault Ste. Marie International Railroad Bridge, which carries rail traffic on a single set of tracks. The Edison Sault Electric Hydroelectric Plant, located at the eastern end of the Sault Ste. Marie Power Canal which runs between Lake Superior and Lake Huron through the city south of the American locks, is one of the longest hydroelectric plants in the world at in length. The plant consists of 74 three-phase generators capable of generating 25 to 30 megawatts. It was completed in 1902. The hydro plant is
Sault Ste. Marie, Michigan snow a year, with a record year when fell. of snow fell in one five-day snowstorm, including in 24 hours, in December 1995. Over the winter of 2015, Sault Ste. Marie received 158.7 inches of snow, ranking it the most snowfall measured in the nation that year. Sault Ste. Marie receives an average annual of precipitation measured as equivalent rainfall. Its immediate region is also the cloudiest in Michigan's Upper Peninsula, having over 200 cloudy days a year. Temperatures in Sault Ste. Marie have varied between a record low of and a record high of . Monthly average temperatures range