South Carolina Code of Regulations
Chapter 63 - DEPARTMENT OF HIGHWAYS AND PUBLIC TRANSPORTATION
Article 4 - ENGINEERING
Subarticle 3 - HIGHWAY ADVERTISING CONTROL ACT
Section 63-345 - Size Limitations of Outdoor Advertising Signs

(1) The dimensions of a sign shall include border, trim, cutouts and extensions, but shall not include aprons, decorative bases and supports, unless those items are used to convey any message, other than the name of the sign owner or permittee, in which case the apron, decorative base or support so used shall be included in its entirety.

(2) Square footage shall be measured by the combination of the areas of the smallest circles, triangles, or rectangles required to cover the sign faces.

(1) Signs shall not exceed a maximum of 672 square feet. Cutouts and extensions can be used in addition to this amount but may not increase the size by more than one hundred fifty (150) square feet.

(2) No sign facing shall exceed a length of sixty (60) feet.

(3) No sign facing shall exceed a height of forty eight (48) feet.

(4) Double faced, back-to-back or V-type signs shall be considered as one sign.

(5) In this connection, the larger of facings shall be applicable in computing square foot total for permit purposes.