A beam bridge is a simple type of bridge that consists of horizontal beams supported at each end by vertical posts or piers. The weight of the bridge and any loads on it are transferred directly down to the supports. This design makes beam bridges easy to construct and cost-effective for short spans. Typically made from materials like steel or concrete, beam bridges are commonly used for roadways and railways. They are ideal for crossing small rivers or valleys where the distance is not too great. Their straightforward design allows for quick assembly and maintenance.