DEFINING AND CLASSIFYING BILLBOARD STRUCTURES FOR ASSESSMENT PURPOSES
For assessment purposes, billboards are grouped into 4 structural categories based on the building materials used and the underlying support system. The four categories include wood, steel frame, multi-mast steel, and monopole.
At a minimum, each billboard includes the following:
CLASS 1 WOOD STRUCTURE
This class of billboards is constructed with wood post or pole supports with dimensional lumber as the secondary support (A frame) with a wood or metal catwalk and a single display panel. Supports may be imbedded in the ground. There may be a foundation of concrete or gravel. Lighting, if present, is either fluorescent or mercury vapor.
CLASS 2 STEEL A-FRAME CONSTRUCTION
This class of billboards is constructed with angle iron or steel supports with metal framing, catwalk, and a single display panel. Supports may be imbedded in the ground.
There may be a foundation of concrete or gravel. Lighting, if present, is either fluorescent or mercury vapor.
CLASS 3 MULTI-MAST STRUCTURE
This class of billboards is constructed with steel pole, I-beam or equivalent as primary support, with a catwalk, and a single display panel. Lighting is fluorescent or mercury vapor.
CLASS 4 MONOPOLE
This class of billboards is constructed with tubular steel support (of various circumferences), tubular steel framing, metal catwalk and a single display panel. The foundation is concrete. Lighting is fluorescent or mercury vapor.
