336.12 Closing and abandonment of roads; termination of easement; conveyance of fee.—The act of any commissioners in closing or abandoning any such road, or in renouncing or disclaiming any rights in any land delineated on any recorded map as a road, shall abrogate the easement theretofore owned, held, claimed or used by or on behalf of the public and the title of fee owners shall be freed and released therefrom; and if the fee of road space has been vested in the county, same will be thereby surrendered and will vest in the abutting fee owners to the extent and in the same manner as in case of termination of an easement for road purposes.