Highways 51 and 61. A googlemap search looks like it’s not there any more.

Another View
And Another View

From postcard no. 1
Eighty-eight air conditioned rooms, steam heat, tile baths, room telephones, Simmons beauty-rest mattresses, kitchenette apartments, living room suites, coffee shop and complete hotel service. AAA approved

From postcard no. 2
9419 (Tulane) Airline Highway U.S. Highways 51, 60, and 65 New Orleans, Louisiana Eighty-eight air conditioned rooms, suites, and kitchenettes; steam heat, tiled baths, room telephones, Simmons Beautyrest mattresses; coffee shop; bus tours; complete hotel service. AAA, Duncan Hines, and Louisiana Hotel Association approval