They make it possible for people, vehicles, and trains to cross natural and man-made barriers. People took these ideas and developed great bridge designs. Modern bridges are feats of structural engineering and exhibit mans' technological advancements through time. These classes can be further divided into types. Basic types of fixed bridges include beam, arch , and suspension.
Movable bridges are bascule, swing span, vertical lift, floating, and transporter.
Arch bridges are the focus of this information brief. The use of the arch in support systems dates back to ancient civilizations in Egypt, Greece, and Asia. Although these cultures developed the idea of the arch, the Romans took the design, improved it and integrated it into their architectural design, and used it all over the Empire. Today arches are used in all types of architectural structures and made out of all types of materials. Arches can be made out of formed concrete or steel and masonry stones or bricks.