St. Mary Parish has ordered a mandatory evacuation on La. 37 south of the Intracoastal bridge on La. 317.
Barry weakened into a tropical storm as it came ashore Saturday near Intracoastal City. But it's still dangerous, state officials warned Saturday.
Hurricane Barry had knocked out power to two-thirds of Cleco's St. Mary customers at 11:30 a.m., according a website that tracks outages.
Morgan City police were responding to reports of several downed power lines and utility polices about 7 a.m.
Patterson's city government has posted photos of some downed limbs on Facebook.