Abstract: A conveyor system support structure including first and second monolithic longitudinally corrugated side support members; and transverse support means including a transverse support member for interconnecting the side support members in spaced relation; each of the side support members including a positive corrugation including an inwardly disposed element for receiving a transverse support member for interconnecting the side support members and for receiving roller means in static and dynamic conveyors and defining in conjunction with interconnection elements common to that positive corrugation and adjacent negative corrugations, an outwardly concave recess for housing means for securing the roller means and means for securing the transverse support members, and a negative corrugation providing an inwardly concave recess for receiving the edges of conveyor belting means in a dynamic conveyor and including an outwardly disposed element for laterally guiding conveyor belting means, and a first bearing surface