Signs and outdoor advertising structures except as specifically permitted within this chapter shall be set back from the established right-of-way line of any street or highway at least as far as the required front yard depth for a principal use in such District except for the following modifications:
For every square foot by which such sign or outdoor advertising structure exceeds fifty square feet such setback shall be increased by one-half foot; but such setback need not exceed 100 feet. (Ord. 11-07. Passed 7-18-07.)