716. The board of delegates may likewise, by resolution or in a procès-verbal, declare:(1) that any local road, bridge or watercourse situated within the boundaries of the county municipalities whose corporations are represented by such board, shall for the future be a county road, bridge or watercourse under the joint control of such county corporations; or
(2) that any county road, bridge or watercourse under the exclusive control of one of the county corporations represented by such board, shall for the future be under the joint control of all such county corporations; or
(3) that any road, bridge or watercourse under the joint control of the county corporations represented by such board shall, for the future, be a county road, bridge or watercourse, under the exclusive control of one only of such county corporations, or a local road, bridge, or watercourse under the control of the corporation of the local municipality in which it lies, or which it divides from another municipality.