Arch bridge

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 (a long bridge) may be made from a series of arches, although other more economical structures are typically used today.

Arch bridge
AncestorClapper bridge
DescendantTruss arch bridge, moon bridge (masonry)
CarriesPedestrians, vehicles, light rail, heavy rail, water
Span rangeshort, but often set end-to-end to form a large total length
Materialmasonry, concrete, wrought iron, cast iron, timber, structural steel
Design effortLow
Falsework requiredYes

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