HOUSE SPRINGS, Mo. (AP) — A park near St. Louis where a 14-year-old boy drowned last week is now closed while the safety of swimming there is under review.

Jefferson County authorities on Wednesday announced the temporary closing of Rockford Beach Park near House Springs. Devon Cotton drowned there while swimming in the Big River on May 31. His body was found four days later.

Jefferson County Executive Kenneth Waller says the U.S. Army Corps of Engineers will re-examine a dam of rocks to determine if recent flooding damaged it. The dam is intended to reduce strong currents.