The Puente Romano is a Roman bridge over the Guadiana River at Mérida, Spain. It is the world's longest surviving bridge from ancient times, having once featured an estimated overall length of 755 m with 62 spans. Today, there are 60 spans on a length of 721 m between the abutments. Including the approaches, the structure totals 790 m. It is still in use, but was pedestrianized in 1991.
Close to the remains of the Los Milagros aqueduct bridge, there exists another Roman bridge at Mérida, the much smaller Puente de Albarregas.
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