Iowa Code Title VIII. Transportation [Chs. 306-330B] § 313A.2. Bridge to be controlled by department

The department shall have full charge of the construction and acquisition of all toll bridges constructed or acquired under the provisions of this chapter, the operation and maintenance thereof and the imposition and collection of tolls and charges for the use thereof. The department shall have full charge of the design of all toll bridges constructed under the provisions of this chapter. The department shall proceed with the construction of such toll bridges and other facilities and the approaches thereto by contract immediately upon there being made available funds for such work and shall prosecute such work to completion as rapidly as practicable. The department shall advertise for bids for the construction, reconstruction, improvement, repair or remodeling of any toll bridge by publication of a notice once each week for at least two consecutive weeks in a newspaper published and having a general circulation throughout the state of Iowa, the first publication to appear at least fifteen days prior to the date set for receiving bids. The department shall have the power to accept such offer or offers, propositions or bids, and enter into such contract or contracts as it shall deem to be to the best interest of the state.