Coast Guard investigators from Marine Safety Office (MSO) St. Louis are investigating the breakaway of over 76 barges that happened Sunday evening in the Port of St. Louis. No injuries or pollution were reported in conjunction with the accident. The breakaway forced the closure of the river by the Coast Guard Captain of the Port, St. Louis, from 11:03 p.m. Sunday, to 6:30 a.m. Monday. The closure affected a 10-mile stretch of the river beginning at the Jefferson Barracks Bridge, extending south to mile marker 158, near Kimmswick, Mo. All of the barges were corralled by about 3:00 a.m. The breakaway was reported to the Coast Guard at about 10:30 p.m. Sunday, by the towing vessel Richard C. Young. The breakaway began at the No.