The several counties of the state through their respective county commissions shall have the authority to contract with each other on such terms or basis as to them may seem satisfactory for the joint taking over, leasing, maintenance, and operation of such bridges and for meeting such contractual obligations as are provided for in Section 11-3-15 for liability accruing to such counties on account of accidents or injuries that may arise from the operation of such bridges.
Ala. Code § 11-3-16 (1975)