1. What is an Arch Bridge?
An arch bridge is a bridge whose main structure is composed of arches or reinforced arches. Arch bridges are very economical and advantageous if the horizontal reaction force cause by the loading of vertical loads is effectively applied and if they are properly designed to reduce sectional forces of members.
Arch bridges have been widely used around the world because of their unique aesthetics, and are used for long-span bridges after suspension and cable-stayed bridges.