Miss. Code Ann. § 65-17-5

It shall be the duty of such commissioner to supervise the construction of such highways and their maintenance after the construction, and to see that the directions for such construction and maintenance are carried out, calling to his assistance, when necessary, the service of a competent civil engineer, which civil engineer shall receive for his services a reasonable compensation to be fixed by the board of supervisors, to be paid out of the funds arising from the proceeds of the sale of such bonds and the levy of such maintenance tax as provided by law.