Arch bridges are one of the oldest types of bridges and have great natural strength. Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch ...
In the historic town of Chepstow, archaeologists found the remains of a prehistoric bridge that connected the areas now known ...
Magnificent stone arches constructed under the direction of engineers of the ancient Roman Empire are still in service after ... In 1779, the first metal arch bridge was built. Constructed of cast ...