The Ambassador Bridge is a bridge that spans the Detroit River from Detroit, Michigan to Windsor, Ontario,
The roadway collapses
Canada.
150 years after people: Corrosion grows on the bridge and the temperature turns cold. Then in just minutes, the cables snap few at once and the roadway becomes unstable and collapses.
200 years after people: Although the Ambassador Bridge's towers still stand the catenary cables are straining the towers, trying to pull them toward land. Finally the pull of the catenary cables proves too much for the towers to withstand and they fall.
The towers come down next