OpenBridge Modeler – Help ModelingSuperstructure Superstructure To place a deckTo place a bridge deck between supportlines, use the following procedure. To assign superelevationTo assign superelevation section to a bridge deck, use the following procedure. To place a beam layout To place a beam layout between pier lines, use the following procedure. To place a beam group To place a beam group on a beam layout, use the following procedure. To place transverse stiffenersTo place transverse stiffeners on a steel girder superstructure, use the following procedure. To place cross frames To place cross frames on a concrete girder or steel girder superstructure, use the following procedure. To place concrete diaphragms Concrete diaphragms can be placed transversely between beams in a span. To place concrete diaphragms between concrete beams, use the following procedure. To place steel box girders/tubs