Iowa Code § 306.8: Transfer of jurisdiction.

1. Prior to a change in jurisdiction of a road or street, the unit of government having jurisdiction shall either place the road or street and any structures on the road or street in good repair or provide for the transfer of money to the appropriate jurisdiction in an amount sufficient for the repairs to the road or street and any structures on the road or street.

2. Transfers of the jurisdiction and control of roads and streets may take place if agreements are entered into between the jurisdictions of government involved in the transfer of such roads and streets.