The Puente de San Martín features five arches, with the largest in the middle having a span of 40 meters.
The bridge was constructed in the late 14th century by archbishop Pedro Tenorio to provide access to the old town from the west, complementing the older Puente de Alcántara linking to the east.
Both sides of the bridge were heavily fortified with towers, the more recent dating from the 16th century.
That night, while he slept, his wife secretly made her way to the bridge and started a fire to ensure it would burn down.
Her husband was saved from disgrace and the bridge was rebuilt without the original structural miscalculations.