It shall be the duty of the state highway department to construct, improve and maintain all access roads or bridges on state property, including the property of state institutions, but not including property under the jurisdiction of the department of conservation. Maintenance of roads shall also include the removal of snow and ice.

     The state highway department shall provide the department of administration with such technical engineering assistance as the latter may request in arriving at the proper estimated cost of projects recommended to the legislature under the provisions of this section.

     When any state department, board, institution or commission shall consider it in the interest of the state that any access road or bridge on property under its control is in need of construction, improvement or maintenance, they shall present a request to the state department of administration, setting forth the necessity of such construction, improvement or maintenance, and the state department of administration shall present its recommendations to the legislature for the making of specific appropriations for the project or projects out of the state trunk line fund.