The Puente Romano (Spanish for Roman Bridge) is a Roman bridge over the Guadiana River at Mérida, Spain. It is the longest surviving bridge from ancient times, having once featured an estimated overall length of 755 m with 62 spans. Today, there are 60 spans (three of which are buried on the southern bank) on a length of 721 m between the abutments. Including the approaches, the structure totals 790 m.
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