Design Of Cantilever Beam.pdf . Cantilever - Wikipedia A cantilever is a rigid structural element, such as a beam or a plate, anchored at only one end to a (usually vertical) support from which it is protruding. Cantilever bridge - Wikipedia Design effort: Medium: Falsework required: Very little to none: The original style of cantilever bridge. A cantilever bridge is a bridge built using cantilevers,