Miss. Code Ann. § 65-7-21: Miss. Code Ann. § 65-7-21

The board of supervisors of the several counties and the overseers shall, at all times after the erection of the sign or guide boards as provided, see that said sign or guide boards are not defaced, removed, or destroyed. In case of defacement, removal, or destruction of any such sign or guide board, the board of supervisors shall cause a new sign or guide board to be erected within ninety days; and on failure so to do, the duty may be enforced as provided in Section 65-7-19 .