Crossing the Huey P. Long Bridge on Amtrak's Sunset Limited
YouTube user bcanedy
Huey Long Bridge - Full 3D
During the design for the rebuild / upgrade of the bridge, innovative techniques such as soil testing, research, and experimentation were undertaken by Moran to determine the best course of action. Additionally, a new type of caisson was developed, along with Siemes-Helmer’s “sand island” pier foundations, to successfully construct the bridge’s foundations. The innovative engineering techniques used in the construction of the bridge were recognized in 2012 when it was designated as a National Historic Civil Engineering Landmark, citing it as “an example of how engineers push the limits of their knowledge of materials, design theories, and methods to advance the state of the art of engineering.”
From Louisiana Statewide Historic Bridge Inventory. The included quote is from:
Louisiana Timed Managers, “Huey P. Long Bridge Dedicated as a National Historic Civil Engineering Landmark,” press release dated 28 September 2012
The entire bridge is owned by the New Orleans Public Belt Railroad (NOPB), which is owned by the City of New Orleans and managed by the Public Belt Railroad Commission. The center railroad portion of the bridge is maintained by NOPB RR, and the outer highway lanes are maintained by the Louisiana Department of Transportation. The Sunset Limited passenger train has crossed this bridge since it opened in 1935, and continues to cross it today under Amtrak management.