CELINA, Tenn. (April 27, 2020) — The U.S. Army Corps of Engineers Nashville District announces Dale Hollow Dam Road at the dam in Celina, Tenn., is closing to all traffic 8 a.m. CST Monday, May 4, 2020 through Thursday, July 2, 2020 at 5 p.m., CST., as workers upgrade machinery at the dam.