Michigan Central Railway Cantilever Bridge
"The Niagara Cantilever Bridge, or Michigan Central Railway Cantilever Bridge, was a cantilever bridge across the Niagara Gorge. An international railway-only bridge between Canada and the United States, it connected Niagara Falls, New York, and Niagara Falls, Ontario. It was replaced by the Michigan Central Railway Steel Arch Bridge in 1925."
Source: Wikipedia