the entire portion of a bridge structure which primarily receives and supports traffic loads and in turn transfers these loads to the bridge substructure
that part of a bridge above the bridge seats, above the spring line of the arches or above the bottom of the caps That part of a building or other structure which is carried upon any main supporting level, as a foundation wall
Any material structure or edifice built on something else; that which is raised on a foundation or basis all that part of a building above the basement
The entire portion of the bridge structure that primarily receives and supports highway, railway or other traffic loads It is supported by the substructure
in HTML documents, we refer to superstructure as the layout and navigational elements used to create a consistent look and feel for Web pages belonging to a document set