Watch as this massive crawler crane assisted by other mobile cranes help assemble this btidge in Spain. According to Ferrovial, the bridge spans approximately 369 feet (110 meters) and the deck is suspended by hangers from two arches. Each arch is composed of two tubes joined together by diaphragms every 6.5 feet (2 meters) and then filled with concrete. The deck is composed of a metal grid covered with a slab of reinforced concrete. Self-compacting concrete with a compressive strength of 7,251.9 psi (50 MPa) was used on the bridge.