Roman Bridge of Salamanca: A Roman Road Crossing in Spain
Site at a Glance
- Rating
- 4.7
- Popularity
- High
- Country
- Spain
- Primary era
- Classical
- External website
- Open
- Eras represented
- Classical, Medieval, Early Modern
- Civilizations
- Kingdom of León, Roman, Spanish
- Site type
- Infrastructure
- Remains
- Bridge
On this page13 sections
History
The Roman Bridge of Salamanca is a stone crossing over the River Tormes in Salamanca, Spain, built by the Romans to carry the road between Mérida and Astorga. Its exact construction date is uncertain, with proposed dates ranging from the Augustan period to the early second century CE. The bridge formed part of the Vía de la Plata, or Silver Route, a major Roman road whose ancient name was Iter ab Emerita Asturicam. It gave travelers and goods access to the southern side of the city and helped connect Salamanca with the wider road network of Hispania.
Roman origins and uncertain dating
The bridge developed alongside Roman settlement and transport infrastructure in the region. The exploitation of the gold mines at Las Cavenes from the beginning of the first century CE increased movement through western Hispania, while construction activity in northern Hispania expanded under the Flavian dynasty, founded by the emperor Vespasian. The original crossing may have combined stone and timber construction.
Several dates have been proposed for the Roman work. Some place it in the reign of Augustus, the first Roman emperor, who ruled from 27 BCE to 14 CE. Others associate it with Nero, who ruled from 54 to 68 CE, or with the early second-century reigns of Trajan and Hadrian. The bridge is also broadly placed between the reigns of Augustus and Vespasian. These proposals draw partly on the development of the road, studies of its milestones, and comparisons with the Aqueduct of Segovia. Coins found at bridges provide less reliable dating evidence because such crossings were frequently used passageways.
Later tradition attributed the first construction to Hercules and a rebuilding to Trajan. A stone marker mentioned in 1606 was in fact connected with repairs to the Vía de la Plata, rather than proving the bridge’s foundation. In 1767, a box reportedly found in the first arch contained a medal honoring Hercules, adding another element to the long-standing legend.
Medieval importance and flood damage
Little is known about the bridge during the post-Roman incursions of the Suebi, Vandals, and Alans or under the Visigothic kingdom. Written evidence resumes in the twelfth century. During the Reconquista, the Christian campaigns that reshaped control of the Iberian Peninsula, the crossing became important for communication with the Kingdom of León. Authorities controlled people and goods on the Salamanca side and collected a portazgo, a toll charged on travelers and merchandise using a controlled route.
A major flood in 1256, known as the Flood of the Dead, made the southern part of the bridge impassable. The eleven-arch section on the opposite bank may have been reconstructed during the medieval period in connection with this damage, although the precise relationship between the flood and that rebuilding remains uncertain. By the late fifteenth century, the bridge was known as the principal bridge of Salamanca.
Another destructive flood, the Avenida de Santa Bárbara, struck on 3 December 1498. In the early sixteenth century, the Tormes was regarded as one of the most dangerous rivers in the Iberian Peninsula because of its flooding. The bridge’s exposed position continued to shape its history and required repeated repairs.
Seventeenth-century reconstruction and later repairs
The Flood of San Policarpo severely damaged the bridge during the night of 26 January 1626. Two arches were badly affected, and additional arches collapsed in succession until the central structure halted the chain reaction. Major repairs followed in 1627 under corregidor Diego de Pareja Velarde, a municipal official. The central tower and battlements were removed during this work.
A further major repair in 1767 left the crossing with eleven modern arches and fifteen Roman arches. The Roman portion was itself not entirely untouched, since the fifteenth arch is only partly Roman after later restoration. Repeated interventions and several proposals for demolition have altered the bridge, while incomplete records of some repairs have left certain reconstruction dates and methods uncertain.
Military and modern history
The bridge became a military objective during the Peninsular War, the conflict in which British and Portuguese forces under the Duke of Wellington fought Napoleonic France. On 21 July 1812, Wellington captured the bridge and the nearby fords at Santa Marta and Aldea Luenga. He then used the position to direct the attack on French forces in the Battle of the Arapiles on 22 July.
By the beginning of the twentieth century, the bridge was no longer Salamanca’s only access route, although it continued to carry heavy traffic until 1973. A proposal made in 1891 to widen it for automobiles was abandoned after the decision to construct a parallel crossing. The Enrique Estevan Bridge, promoted by municipal councillor Enrique Estevan Santos and built with iron from 1902, opened on 22 October 1913. The Roman bridge subsequently became exclusively pedestrian.
The Santa Teresa reservoir, built in the 1940s, and the Villagonzalo weir, built in 1965, substantially reduced the threat of further flood damage. The bridge was declared a Historic-Artistic Monument on 3 June 1931 and became a Bien de Interés Cultural, a protected Spanish cultural property, in 1998.
The crossing and the stone bull known as the Verraco del Puente have long served as symbols of Salamanca, appearing together in the first quarter of the city’s coat of arms. The bridge is also associated with the Jacobean Vía de la Plata route. Medieval chronicles and later historical writing mention it from the twelfth century onward, while Lazarillo de Tormes and Miguel de Cervantes’s novella El licenciado Vidriera also refer to it. Artists including Anton van den Wyngaerde, David Roberts in 1837, and Gustave Doré in 1862 depicted the bridge and its surroundings.
Remains
The surviving bridge is approximately 358.70 metres long and about 5.50 to 5.90 metres wide. Its twenty-six semicircular arches have an average span of about 5.30 metres. The structure rises roughly 10 metres, with about 7 metres of clearance beneath the arches and about 6 metres of clearance for traffic. A central castillete, or small fortified central structure, divides the crossing into two distinct sections: the old bridge beside Salamanca and the newer section extending toward the opposite bank.
Roman section
Arches and masonry
The old bridge extends for about 201.20 metres along the right bank of the Tormes. Its first fourteen arches are attributed wholly to the Roman period, while the fifteenth retains Roman work together with later restoration. The arches are semicircular and generally made with thirty-one to thirty-three wedge-shaped stones, called voussoirs. They rise approximately six metres and rest on piers fitted with triangular cutwaters, pointed projections that divide and deflect the river’s flow.
The Roman section is built mainly from granite quarried at Los Santos near Béjar. Many blocks retain hollows for iron lifting clamps and notches used to move the stones with levers. Gargoyle-like outlets project above the springing level of the arches and helped drain the roadway. Apart from these outlets and the pilasters, the masonry has little ornamentation.
Roadway and city approach
The present cobbled surface is later than the Roman pavement. Archaeological layers beneath it preserve the earlier roadway about fifty centimetres below the current surface, where large stone slabs survive. These slabs belong to the old section and are not found in the newer bridge. From the city, the approach passed through the wall gate called the Postigo Ciego and descended by a slope to the crossing. The roadway rises slightly toward the central castillete. In summer, concrete foundation piles can be seen between the piers of the first arches.
Medieval section and entrance features
Eleven-arch section
The newer section extends approximately 157.50 metres from the central structure to the left bank. Built between the twelfth and thirteenth centuries, it contains eleven semicircular stone arches. Its piers, cutwaters, masonry, and decorative elements differ from those of the Roman section. Much of its stone came from the Ledesma area, unlike the granite used mainly in the older bridge. The two sections are also described as being made of vaugneritic granite, popularly called pajarilla stone.
Arrabal pilasters
At the entrance from the arrabal are two commemorative pilasters with rhomboidal plans, each about five metres high. Installed after a seventeenth-century repair, they replaced earlier pilasters that existed before 1622. One carries the Spanish royal coat of arms and an inscription concerning repairs during the reign of Philip IV, under Pedro de la Puente Montecillo. The other bears Salamanca’s coat of arms and continues the inscription, naming corregidor Diego de Pareja Velarde as one of the promoters of the work. The left pilaster also has a ceramic plaque reading “Puente Mayor del Tormes,” while another inscription on the right is almost illegible.
Verraco del Puente
At the city-side entrance stands the Verraco del Puente, a headless granite bull sculpture associated with the Vettones, a pre-Roman people of western Iberia. A verraco is a large stone animal sculpture linked especially with Vettonian culture. The sculpture is not structurally integrated into the bridge, and its presence beside the crossing is documented from 1378.
