SD 44 / Platte-Winner Finding of No Significant Impact (FONSI):

SD 44 / Platte-Winner Environmental Assessment and Section 4(f) Evaluation:

NOTE: The Environmental Assessment document was signed by FHWA and SDDOT on May 25, 2023. Publication notices have been submitted for formal announcement of a comment period that will run from June 1, 2023 to July 7, 2023.

SD Highway 44 / Platte-Winner Bridge Corridor Study:

Project Memos:

Historical Documents: