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The CNR Bonnet Carré Spillway-McComb Bridge is a 2.3-mile-long (3.7 km) bridge that carries Canadian National Railway tracks over the Bonnet Carré Spillway and a portion of Lake Pontchartrain in St. Charles Parish and St. John the Baptist Parish.[1] Its length makes it one of the longest bridges in the world.
CNR Bonnet Carré Spillway-McComb Bridge | |
|---|---|
| Coordinates | 30°03′47″N 90°23′09″W |
| Carries | Canadian National Railway |
| Crosses | Bonnet Carré Spillway and Lake Pontchartrain |
| Locale | St. Charles Parish and St. John the Baptist Parish, Louisiana |
| Owner | Canadian National Railway |
| Maintained by | Canadian National Railway |
| Characteristics | |
| Total length | 12,144 ft (3,701 m) |
| History | |
| Opened | 1935 |
| Location | |
 | |
The bridge is owned and maintained by the Canadian National Railway and is used by Amtrak passenger trains and Canadian National Railway freight trains.[2]
In 2011, most likely due to debris hitting the bridge after the opening of the Bonnet Carré Spillway, 26 feet (7.9 m) of the bridge was damaged and a bridge pier was dislodged.[3]
On February 13, 2016, a fire destroyed over 800 feet (240 m) of the trestle near its southeast end. The damaged segment was quickly rebuilt and reopened to rail traffic on February 20.
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