** Ponte Rio-Niteroi

Rio-Niteroi Bridge [Presidente Costa e Silva Bridge]

Built 1969-1974 and claimed to be the longest span bridge in the world without any towers above the deck upon completion. It is 13.9 km long, and 20 metres wide.Towers were out of the question for this bridge, as it is located in the flight path of the city's airport and would have obstructed it.