In accordance with Transportation Code, Chapter 623, Subchapter C, a person, firm, or corporation may request authorization to operate a vehicle that does not comply with one or more of the restrictions of Transportation Code, Chapter 621, across the width of any road in the state highway system, other than a controlled-access highway as defined in Transportation Code, §223.001, from private property to other private property provided that the commission has contracted with the requester to indemnify the department for the cost of repair and maintenance to the portion of such highway crossed by such vehicles.