John A. Roebling Suspension Bridge over the Ohio Rover in Cincinnati (United States)

"The study of suspension bridges formed for the last few years of my residence in Europe my favourite occupation ... Let but a single bridge of the kind be put up in Philadelphia, exhibiting all the beautiful forms of the system to full advantage, and it needs no prophecy to foretell the effect which the novel and useful features will produce upon the intelligent minds of the Americans.!

John A. Roebling