Sault Ste. Marie International Bridge

Ranked #228 on the list Best Bridge of All Time

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Based on 1 votes

About Sault Ste. Marie International Bridge

  • Body Of Water Spanned: St. Marys River
  • Bridge Type: Truss arch bridge
  • Locale: Sault Ste. Marie

The Sault Ste. Marie International Bridge, often known just as the International Bridge, spans the St. Marys River between the United States and Canada connecting the twin cities of Sault Ste. Marie, Michigan and Sault Ste. Marie, Ontario. It serves as the northern terminus of Interstate 75. The International Bridge began construction in 1960 and officially opened to traffic on October 31, 1962. Daily operation is carried on by the International Bridge Administration (IBA) under the supervision of the Sault Ste. Marie Bridge Authority (SSMBA). The SSMBA replaced the previous Joint International Bridge Authority (JIBA) in 2009, which in turn had succeeded the International Bridge Authority (IBA, created in 1935) in 2000. In 1954 the state of Michigan created the International Bridge Authority. Canada followed in 1955, creating the St.Mary's River Co. This is a steel truss arch bridge with suspended deck. There are two separate spans, a double arch span on the U.S. side and a single arch span on the Canadian side. The double arch spans cross the four U.S. Soo Locks. The single arch spans the single Canadian Lock. In Sault Ste. Marie, Ontario, the bridge connects to a city street in

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