Principles of bridge design. General terms, terminology and bridge types. Elements of road, rail and pedestrian bridges. Actions on bridges. Girder bridges. Superstructure: reinforced concrete, pre-stressed, steel and coupled (concrete - steel). Substructure: Abutments, piers, approach slabs, wing walls, embankment and pillars foundation: shallow on the ground and in the water and deep on the wells and piles. Bridges equipment: bearings, joints, pavement passes, hiking trails, fencing paths, reflex fences, wreaths, curbs, pavement board elements, hydroinsulation, drainage, utility installations and bridges maintenance equipment. Frame bridges. Integral bridges. Arch bridges. Cable stayed bridges. Suspension bridges. Mobile bridges. Bridges made of corrosion resistant steel. Construction of bridges: fixed, portable and movable scaffolding, cantilever construction, gradual suppression, monolithic, prefabricated-monolithic and prefabricated construction. Bridge management system.