Ohio Rev. Code § 5517.04
The director of transportation shall repair all substantial damage done to county and township roads or to streets in municipal corporations resulting from the transportation of materials or equipment over such roads for use in constructing, reconstructing, or repairing, either by force account or contract, any road, street, or highway project of the department. Temporary repairs on such roads made necessary by reason of such transportation of materials or equipment shall be made during the construction period so as to assure normal conditions for the general public. Final repairs shall be made immediately upon the completion of the work on such road, street, or highway project, or as soon thereafter as weather conditions permit, and may be by contract or by the purchase of materials and employment of labor by the department of transportation.
R.C. §5517.04