Ohio Revised Code Title LV. Roads Highways Bridges § 5555.43

The board of county commissioners, unless acting pursuant to section 5555.022 of the Revised Code, or the joint board of county commissioners, upon a unanimous vote, may order, without a petition, that all of a county's costs for constructing any improvement be paid out of the proceeds of any tax levies for road purposes on the grand duplicate of the county or out of any road improvement fund available for the payment of those costs, or may enter, by a similar vote and without a petition, into an agreement with the boards of township trustees of the townships in which the improvement is situated in whole or in part, whereby the entire cost of the improvement is paid by the county and townships, or one or more of them, in the agreed upon proportion or amount of the cost.