Map 

Vicinity Map

Vicinity map

Map links:

Facts 

Overview
Cantilevered through truss bridge over the Mississippi River on US 90 in Jefferson
Location
Jefferson Parish, Louisiana
Status
Open to traffic
History
Opened to traffic December 16, 1935
Design
Cantilevered through truss
Dimensions
Length of largest span: 789.8 ft.
Total length: 9,160.7 ft.
Deck width: 36.0 ft.
Approximate latitude, longitude
+29.94500, -90.16833   (decimal degrees)
29°56'42" N, 90°10'06" W   (degrees°minutes'seconds")
Inventory number
BH 19034 (Bridgehunter.com ID)
Inspection
Average daily traffic (as of 2005)
1,300

Sources 

Comments 

Huey P. Long Bridge
Posted November 26, 2006, by Cajundweeb (cajundweeb [at] gmail [dot] com)

The Louisiana Department of Transportation and Development is currently undertaking a project to widen the vehicular lanes on the span. The project will take a while, so if you need to cross via the Huey P Long bridge, exercise caution while they work on it!

Huey P. Long Bridge
Posted May 4, 2006, by Harvey Henkelman

Longest railroad bridge in the US