Ohio Rev. Code § 4959.03: Cattle guards and crossings.

Before operating a railroad, the company or person having control or management of such railroad shall maintain at every point where a public road, street, lane, or highway used by the public crosses such railroad, safe and sufficient crossings, and on each side of such crossings cattle guards sufficient to prevent domestic animals from going upon such railroad. Such company or person shall be liable for all damages sustained in person or property by reason of the want or insufficiency of such fence, crossing, or cattle guard, or neglect or carelessness in the construction or keeping in repair of such fence, crossing, or cattle guard.