Okla. Stat. tit. 69 § 631
Boards of county commissioners in their respective counties shall have the supervision over bridges and the approaches thereto constructed upon county highways within their respective counties which have been erected by the voting of bonds by the county and may permit any public utility or public service corporation to cross any such bridges and the approaches thereto or jointly use any such bridge and the approaches thereto with the public for an adequate consideration, and upon such terms and conditions as may be satisfactory to it in agreement with any such public utility or public service corporation, and no public utility or public service corporation shall have the right to use or cross any bridge or the approaches thereto, located over any stream in Oklahoma, when such bridge or approaches thereto has been erected by the voting of bonds by the county for that purpose, unless the board of county commissioners shall, by resolution, determine that in its judgment the bridge and approaches thereto may be safely so used and without any substantial detriment to the public interest.
Okla. Stat. tit. 69, § 631