(1) All bonds issued under the provisions of KRS 180.070 shall be sold to the highest and best bidder after having been advertised.
(2) In advertising for bids for the bonds it shall not be necessary to state the exact face amount of the bonds, if the conditions are stated upon which the face amount may be determined prior to the delivery of the bonds.
(3) Bids may be invited at the same time for the bonds of more than one (1) bridge project, and a bid may cover more than one (1) project.