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 Municipal Airport feet (218 m) above mean sea level. It has one runway designated 14/32 with an asphalt surface measuring 5,234 by 100 feet (1,595 x 30 m). For the 12-month period ending December 31, 2015, the airport had 9,067 general aviation aircraft operations, an average of 25 per day. In January 2017, there were 16 aircraft based at this airport: 15 single-engine and 1 multi-engine. Sault Ste. Marie Municipal Airport Sault Ste. Marie Municipal Airport , also known as Sanderson Field, is a city-owned, public-use airport located one nautical mile (1.85 km) southwest of the central business district of Sault Ste.