Oregon Revised Statutes Highways, Roads, Bridges and Ferries § 377.745

(a) A length of 48 feet;

(b) A height, excluding foundation and supports, of 14 feet; or

(c) A sign area of 825 square feet.

(a) Cutouts that project beyond the borders of an outdoor advertising sign shall be included in measuring the area of a sign, but not the height or length of a sign. The sign area of cutouts shall be no more than 20 percent of the area of the sign to which attached.

(b) The limitations apply separately to each side of a back-to-back sign.

(c) The size limitations apply separately to each sign forming a V-type sign.

(d) The size limitations apply separately to each of the display surfaces on a tri-vision sign.