Ohio Rev. Code § 5561.10: Height of crossing above grade.

Any way, crossing, or viaduct constructed over the tracks of any railroad company under sections 5561.01 to 5561.09, inclusive, of the Revised Code, shall be of such height as not to be of less than twenty-one feet in the clear, from the top surface of the rails in the railroad track to the lowest point of projection of such overhead way, crossing, or viaduct, unless such company consents to, or the court orders a less height. In no event shall the court of common pleas order a less height than sixteen feet three inches.