S.C. Code Ann. § 57-15-60
The following shall be the maximum rates of toll that shall be charged at each public ferry in this State chartered under the provisions of this chapter:
(8) For every four-horse wagon or other vehicle, seventy-five cents.
The governing body of any county may fix lower rates of toll for any one or more specific ferries in such county as the special local conditions and circumstances may demand, and in cases of ferries crossing rivers or streams forming boundary lines between any two counties, such lower rates may be fixed by the governing bodies of such two counties.