The county legislative body has the power to:
(1) Make appropriations of money, from time to time, to pay persons for operating the ferries, which they may establish;
(2) Appoint one (1) or more persons as commissioner, to contract for the building of ferry boats, construction of roads, and to do any other thing necessary for the construction of all proper roads and the establishment of the ferries contemplated by this part; and
(3) Make the necessary appropriations of moneys for the payment for the building of ferry boats and construction of roads.