§834. Cooperation between subdivisions of state
All parishes, municipalities, subdivisions, and agencies of the state may enter into agreements with other parishes, municipalities, subdivisions, and agencies of the state for the construction of tunnels, causeways and bridges as provided in this Sub-part. They may appropriate funds, provide grants, servitudes, and rights of way and may cooperate in the construction of the tunnels, causeways, and bridges when deemed to be in the public interest.