In 1846, the governments of Upper Canada and the State of New York initiated the creation of two companies that would be authorized to build a bridge over the Niagara River. The bridge was to be owned by both companies, respectively known as the Niagara Falls Suspension Bridge Company (Canadian) and the International Bridge Company (American). Engineer Charles Ellet was hired to construct the bridge and completed a temporary suspension bridge that opened in 1848. A financial dispute with the Bridge Companies led to Ellet’s departure and American civil engineer John A. Roebling was hired in 1851. He was to build a suspension bridge that would carry railways and carriages. In 1854 a lower deck was completed and opened to carriages and pe...