The U.S. Army Corps of Engineers (USACE), Mobile District announced today the Jim Woodruff Lock located on the Apalachicola River in Chattahoochee, Florida will be closed to all vessels as unscheduled repairs are underway at the lock. Mechanical problems caused the lock gates to become inoperable so repairs were begin immediately on April 6. The lock is expected to remain closed through mid-May 2014 and a public announcement will be made near the re-opening date.