bridge
A bridge is a structure built to span a physical obstacle (such as a body of water, valley, road, or rail) without blocking the way underneath. It is constructed for the purpose of providing passage over the obstacle, which is usually somethi ...
Lake Pontchartrain
Lake Pontchartrain ( ) is an estuary located in southeastern Louisiana in the United States. It covers an area of with an average depth of . Some shipping channels are kept deeper through dredging. It is roughly oval in shape, about from wes ...
St. John the Baptist Parish
St. John the Baptist Parish (SJBP, french: Paroisse de Saint-Jean-Baptiste) is a parish located in the U.S. state of Louisiana. At the 2020 census, the population was 42,477. The parish seat is Edgard, an unincorporated area, and the largest c ...
. Its length makes it one of the
longest bridges in the world
This is a list of the world's longest bridges that are more than in length sorted by their full length above land and water. The main span is the longest span without any ground support.
'' Note: There is no standard way to measure the total l ...
.
The bridge is owned and maintained by the Canadian National Railway and is used by
Amtrak
The National Railroad Passenger Corporation, doing business as Amtrak () , is the national passenger railroad company of the United States. It operates inter-city rail service in 46 of the 48 contiguous U.S. States and nine cities in Canada ...
passenger trains and Canadian National Railway freight trains.
In 2011, most likely due to debris hitting the bridge after the opening of the Bonnet Carré Spillway, of the bridge was damaged and a bridge pier was dislodged.
On February 13, 2016, a fire destroyed over of the trestle near its southeast end. The damaged segment was quickly rebuilt and reopened to rail traffic on February 20.