Directs the Secretary of the Interior to conduct fish and wildlife studies, and the Secretary of Transportation to conduct intermodal economic transportation studies, to determine the impact of the proposed replacement of components of the Upper Mississippi River and Illinois Waterway System.

Directs the Secretary of the Army to give full consideration to the recommendations of such Secretaries and Federal, State, and local officials, and the public with respect to such waterway system.

Directs the Secretary of the Army to transfer funds for such studies to the Secretaries of the Interior and Transportation. Prohibits the Secretary of the Army from carrying out such replacement prior to receipt of such studies, with specified exceptions. Directs the Secretary of the Army to develop and implement a plan to minimize delays in lockage at certain existing points on the waterway system.