"International Bridge Authority, Sault Ste. Marie" by Anonymous is a historical account written in the early 21st century. The book discusses the development and significance of the International Bridge connecting Sault Ste. Marie in Michigan and Ontario. It chronicles the historical context leading to the construction of the bridge, detailing the evolution of transportation across the St. Mary’s River. The content of the book elaborates on the engineering efforts and geopolitical cooperation necessary for the bridge's realization, initiated after decades of planning and legislative action. It highlights early transportation methods, including canoes used by Native Americans and later ferry services and railroads. The narrative culminates with the bridge's construction, which was completed in 1962, providing a vital connection for increased vehicular traffic and industrial growth between the two Saults. Detailed statistics regarding the bridge's construction, cost, and annual traffic usage illustrate its importance as a regional infrastructure landmark. (This is an automatically generated summary.)