When the legislative authority of a municipal corporation has determined to issue bonds for the purpose of constructing or repairing any viaduct over any street, stream, railway tracks, or other place where an overhead roadway or footway is deemed necessary as provided by law, or when such legislative authority has determined to purchase or condemn, or when a municipal corporation has purchased or condemned, land for the purpose of constructing or repairing a viaduct, the municipal corporation may construct or repair such viaduct and purchase or condemn the necessary land therefor, and the money arising from the sale of any of the bonds so issued shall be expended as provided in section 723.14 of the Revised Code.
R.C. §723.13