Title to all real and personal property and to a bridge constructed by a joint bridge commission and all appurtenances and incidents to such bridge shall vest in the political subdivisions cooperating as tenants in common in the same proportion as the contributions made to the joint fund as provided in section 14-1245. In the event of the inability of the governing bodies of the political subdivisions cooperating or the joint bridge commission to agree, the specific controversy may be submitted to arbitration in such manner as may be agreed upon by the parties.