It spanned 6.2 miles (10.0 km) in a west–east direction[1] along the present route of LA 39 between New Orleans and Chalmette.

East of the Industrial Canal, LA 3082 continued along North Claiborne Avenue to the Orleans-St. Bernard Parish line where it crossed from New Orleans into Arabi.

The railroad overpass originated as part of a citywide grade separation program approved in 1947 connected with the construction of the Union Passenger Terminal.

[4] The Industrial Canal bridge was added to relieve the traffic congestion on nearby St. Claude Avenue and provide an alternate route during times when the bascule bridge on that thoroughfare was in the raised position.

[6] Work then focused on extending North Claiborne Avenue from Caffin Avenue on the east side of the Industrial Canal bridge to LA 47 (Paris Road) in Chalmette, completed in September 1967.