(1)    Each swing or drawbridge built or purchased by any city and town or by any other 2 municipalities, situated so that a part of the bridge is in one municipality and a part in another, shall be operated and maintained at the joint expense of the municipalities that built or purchased the bridge in proportion to the amount of the cost of the bridge borne by each. If either municipality does not provide for or pay its full share of the expense of operating or maintaining the bridge in any year the other may provide for or pay the expense.

   (2)   A municipality that pays any portion of another municipality’s share of the expenses of operating and maintaining a bridge under sub. (1) may recover the amount of the payment from the defaulting municipality, with interest from the time of payment and costs of suit. No action under this subsection to recover a payment may be brought until 30 days after demand of payment is made.