(a) The board of county commissioners may require any public utility or public service corporation, using any such bridge or approaches thereto, to pay such toll or rental for the use of such bridge and the approaches thereto as it may agree upon with the public utility or public service corporation and may make such agreement and stipulation as to the use of the bridge and the approaches thereto with such utility or public service corporation as in its judgment shall conserve the public interest.
(b) Provided, that no public utility or public service corporation shall use any such bridge or approaches thereto unless and until it shall have so agreed with the board of county commissioners as to the tolls, rentals and use of the bridge and the approaches thereto, and then during such time only as it shall make payment therefor and comply with its contract.
Laws 1968, c. 415, § 632, operative July 1, 1968.