Stone Entry Portal, Lake Darling State Park, Washington County RFP

Description: The Iowa Department of Natural Resources is soliciting bids to remove the existing entrance portal at Lake Darling State Park and replace it with a standard Iowa DNR Design Guide stone entry portal. The work includes earthen grading, concrete footings, structural concrete, stone work, and a timber sign support with steel brackets, with the contractor providing all materials, labor, and equipment. This is an open construction Invitation for Bids rather than a grant program, and electronic bids are due August 27, 2026, at 3:00 PM Central Time.