Related formssu·per·struc·tur·al, adjective
Examples from the Web for superstructure
A large metal sign permanently affixed to the superstructure reminded us that we were on the “Sagamore Bridge, 1933-1935.”It’s Time America Makes Good Again on Its Belief in Public Works and Public Spirit|Daniel Kevles|September 1, 2012|DAILY BEAST
Truth is the foundation, the superstructure, and the glittering dome of progress.The Works of Robert G. Ingersoll, Vol. 4 (of 12)|Robert G. Ingersoll
They seem to be of great antiquity, as their basis witnesses at this day: the shaft and superstructure is of later date.
This superstructure—obviously just tacked onto the plans—gets thrown away, and turrets take its place.The Misplaced Battleship|Harry Harrison (AKA Henry Maxwell Dempsey)
As we now look back upon them we do not see shapeless and unfitting fragments, but a superstructure of rare symmetry and grace.
I beg your pardon, but I was trying to discover the remains of some superstructure on those battlements.Parlous Times|David Dwight Wells