The last suburb before Plaquemines becomes something else entirely. Belle Chasse is home to Naval Air Station Joint Reserve Base New Orleans — the largest military installation in the metro area — and the starting point for the 70-mile drive down LA-23 to the end of the road at Venice. The new Belle Chasse Bridge (2024) replaced the century-old tunnel that had been the only vehicle crossing of the Intracoastal Waterway into lower Plaquemines. This is where the Seafood & Heritage Festival happens every April.
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