 It follows Jean Lafitte Boulevard, an undivided two-lane highway that travels east for two blocks before turning north parallel to the bayou.Over the next , the roadway is flanked by small residences and boathouses lining Bayou Barataria on the west and a large body of water known as "The Pen" on the east.North of Lafitte, LA 45 crosses a movable bridge over Bayou Des Oies and continues for about into the town of Jean Lafitte.