Originally Destrehan Canal, dug before 1845, connecting Mississippi River to Bayou Barataria. "Submarine Railway" lifted boats over the levee until successful completion of locks in 1907. Became part of Gulf Intracoastal Waterway in 1924.
Built in 1844, Harvey Castle was the Gothic Revival home of Marie Louise Destrehan and her husband Joseph Hale Harvey. It served as the third courthouse of Jefferson Parish, 1874-1884. Located east side of Destrehan Avenue 450 feet north of railro…