Roblin Bridge in Cincinnati, USA
The John A. Roebling Suspension Bridge, built in 1867, spans the Ohio River between Cincinnati and Cavanton, Kentucky. It is the oldest surviving suspension bridge in the United States and the longest in the world, with a total length of 322 meters. The bridge piers did not use modern reinforced concrete technology, but instead were built with bricks. Despite more than 140 years of wind and rain, they are still the main transportation roads in the city
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