Puente Romano (Mérida) 3.6

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.Annexed to the bridge is the Alcazaba of Mérida, a Moorish fortification built in 835.Close to the remains of the Los Milagros aqueduct bridge, there exists another Roman bridge at Mérida, the much smaller Puente de Albarregas.