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 middle schools, one in the Sault Ste. Marie School System known as Sault Area Middle School. Before the 6th grade annex was added in the late 1980s, the school was referred to as Sault Area Junior High School. The Second Middle School is a part of Joseph K. Lumsden Bahweting School, a Native American-affiliated Public School Academy. St. Mary's Catholic School serves students in grades K–8. There are several elementary schools in Sault Ste. Marie and the surrounding area, including Lincoln Elementary, Washington Elementary, Soo Township Elementary, in the Sault Ste. Marie School System. There is also a Public School