Latitude & Longitude:
29° 52' 31.674",
-90° 4' 25.3668"
Louisiana State Historical Marker
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.