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 (electoral district) city of Sault Ste. Marie and some immediately surrounding communities. It consisted initially of the City of Sault Ste. Marie and the Township of Prince. In 1976, it was redefined to consist of the part of the City of Sault Ste. Marie east of Allen's Side Road and south of the Second Line. In 1987, it was redefined to consist of the part of the City of Sault Ste. Marie lying south of Third Line and the part of Rankin Location 15D lying within the city limits. In 1996, it was redefined to consist of the City of Sault Ste.