The bridge is composed of three structures, Manila- Alabang Lane (301.60m, 13-spans, 12 piers), Cubao-Manila Lane (355.65m, 8-spans), Alabang-Cubao Lane (360.25m, 8-spans). All lanes with deckslab on steel girder. The retrofit works  includes shear keys on abutment & piers, steel jackets and cable restrainers for all piers.