The Ponte Vecchio is a medieval stone closed-spandrel segmental arch bridge over the Arno, in Florence, Italy. The only bridge in Florence spared from destruction during World War II, it is noted for the shops built along it; building shops on such bridges was once a common practice. Butchers, tanners, and farmers initially occupied the shops; the present tenants are jewellers, art dealers, and souvenir sellers. The Ponte Vecchio's two neighbouring bridges are the Ponte Santa Trinita and the Ponte alle Grazie.
An arch is a vertical curved structure that spans an elevated space and may or may not support the weight above it, or in case of a horizontal arch like an arch dam, the hydrostatic pressure against it.
The ancient Romans were the first civilization to build large, permanent bridges. Early Roman bridges used techniques introduced by Etruscan immigrants, but the Romans improved those skills, developing and enhancing methods such as arches and keystones. There were three major types of Roman bridge: wooden, pontoon, and stone. Early Roman bridges were wooden, but by the 2nd century stone was being used. Stone bridges used the arch as their basic structure, and most used concrete, the first use of this material in bridge-building.
An arch bridge is a bridge with abutments at each end shaped as a curved arch. Arch bridges work by transferring the weight of the bridge and its loads partially into a horizontal thrust restrained by the abutments at either side. A viaduct may be made from a series of arches, although other more economical structures are typically used today.
The Via Salaria was an ancient Roman road in Italy. It eventually ran from Rome to Castrum Truentinum on the Adriatic coast, a distance of 242 km. The road also passed through Reate (Rieti) and Asculum.
The Pons Fabricius or Ponte dei Quattro Capi, is the oldest Roman bridge in Rome, Italy, still existing in its original state. Built in 62 BC, it spans half of the Tiber River, from the Campus Martius on the east side to Tiber Island in the middle. Quattro Capi refers to the two marble pillars of the two-faced Janus herms on the parapet, which were moved here from the nearby Church of St Gregory in the 14th century.
Ponte Sant'Angelo, originally the Aelian Bridge or Pons Aelius, is a Roman bridge in Rome, Italy, completed in 134 AD by Roman Emperor Hadrian, to span the Tiber from the city centre to his newly constructed mausoleum, now the towering Castel Sant'Angelo. The bridge is faced with travertine marble and spans the Tiber with five arches, three of which are Roman; it was approached by means of a ramp from the river. The bridge is now solely pedestrian and provides a scenic view of Castel Sant'Angelo. It links the rioni of Ponte, and Borgo, to which the bridge administratively belongs.
Aqua Anio Novus was an ancient Roman aqueduct supplying the city of Rome. Like the Aqua Claudia, it was begun by emperor Caligula in 38 AD and completed in 52 AD by Claudius, who dedicated them both on August 1.
The Maria Pia Bridge is a railway bridge built in 1877, and attributed to Gustave Eiffel, situated over the Portuguese northern municipalities of Porto and Vila Nova de Gaia.
The Pons Cestius is an ancient Roman bridge connecting the right bank of the Tiber with the west bank of Tiber Island in Rome, Italy. In Late Antiquity, the bridge was replaced and renamed the Pons Gratiani. It is also known as Ponte San Bartolomeo. No more than one third of the present stone bridge is of ancient material, as it was entirely rebuilt and extended in the 19th century after numerous earlier restorations.
The Pons Aemilius is the oldest Roman stone bridge in Rome. Preceded by a wooden version, it was rebuilt in stone in the 2nd century BC. It once spanned the Tiber, connecting the Forum Boarium, the Roman cattle market, on the east with Trastevere on the west. A single arch in mid-river is all that remains today, lending the bridge its name Ponte Rotto.
The Alconétar Bridge, also known as Puente de Mantible, was a Roman segmental arch bridge in the Extremadura region, Spain. The ancient structure, which featured flattened arches with a span-to-rise ratio of 4–5:1, is one of the earliest of its kind. Due to its design, it is assumed that the bridge was erected in the early 2nd century AD by the emperors Trajan or Hadrian, possibly under the guidance of Apollodorus of Damascus, the most famous architect of the time.
The Trezzo sull'Adda Bridge or Trezzo Bridge was a medieval bridge at Trezzo sull'Adda in Lombardy, Italy, spanning the Adda river. Completed in 1377, the single-arch bridge held the record for the largest span for over four hundred years, until the beginnings of the Industrial Age, while it was not until the early 20th century that masonry bridges with larger openings were constructed.
The Ponte del Gran Caso is a Roman bridge across the Torrente Gran Caso, 2 km east of Ascoli Piceno in central Italy.
The Ponte San Lorenzo is a Roman bridge over the river Bacchiglione in Padua, Italy. Constructed between 47 and 30 BC, it is one of the very earliest segmental arched bridges in the world. It is also notable for the slenderness of its piers, unsurpassed in antiquity.
The Aqua Marcia is one of the longest of the eleven aqueducts that supplied the city of Rome. The aqueduct was built between 144–140 BC, during the Roman Republic. The still-functioning Acqua Felice from 1586 runs on long stretches along the route of the Aqua Marcia.
The Ponte Salario, also called Ponte Salaro during the Middle Ages, is a road bridge in Rome, Italy, whose origins date back to the Roman period. In antiquity, it lay outside the city limits, 3 km north of the Porta Collina, at the point where the Via Salaria crossed the Aniene, a tributary of the Tiber. The visible side arches are assumed to originate from the first stone structure built during the 1st century BC.
The Ponte Corvo, rarely Ponte Corbo, is a Roman segmental arch bridge across the Bacchiglione in Padua, Italy. Dating to the 1st or 2nd century AD, its three remaining arches cross a branch of the river and are today partly buried respectively walled up. The span-to-rise ratio of the bridge varies between 2.8 and 3.4 to 1, the ratio of clear span to pier thickness from 4.9 to 6.9 to 1.
Ponte Vella is a medieval footbridge built on Roman foundations in Ourense, Spain. Located at the intersection of N120 and Rua Progreso, it spans the Minho River. Its steep rise of 135 feet (41 m) above the Minho River makes for safe passage during flash floods. At one time, it was considered to be the biggest bridge in all of Spain.
The Aqua Anio Vetus was an ancient Roman aqueduct, and the second oldest after the Aqua Appia.
