An overhead storage shelf having a pair of side panels, with each side panel including a base, an outer rib connected to the base, and at least one reinforcement rib connected to the base. The storage shelf further includes a mounting strip for connecting the pair of side panels, wherein the mounting strip facilitates the securing the shelf to a single beam. The storage shelf also includes a front plate and a rear plate. One of the front or rear plate includes a protruding member and the other of the front or rear plate contains a groove wherein the protruding member of one storage shelf can be engaged in the groove of another storage shelf, allowing multiple storage shelves to interconnect.