Berwick Bay is the section of the Lower Atchafalaya River in Louisiana from Morgan City north to . U.S. Route 90 crosses Berwick Bay connecting the town of Berwick on the west bank of the Atchafalaya to Morgan City on the east bank. There is also a Southern Pacific vertical lift bridge connecting the two municipalities. This stretch of water lends its name to Vessel Traffic Service Berwick Bay which manages the waters south of 29°45' N., west of 91°10' W., north of 29°37' N., and east of 91°18' W. These waters include the junction of the Gulf Intracoastal Waterway, the and several tributary bayous. Narrow bridge openings and a swift river current require one-way traffic flow through the bridges. VTS Berwick Bay is unique among United States Coast Guard Vessel Traffic Services because it m