The LaBranche Wetlands Bridge is a
concrete trestle 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 ...
in the
U.S. state
In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...
of
Louisiana
Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is borde ...
. With a total length of , it is 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 carries
Interstate 310 over the
LaBranche Wetlands in
St. Charles Parish
St. Charles Parish (french: Paroisse de Saint-Charles) is a parish located in the U.S. state of Louisiana. At the 2020 census, its population was 52,549. The parish seat is Hahnville and the most populous community is Luling.
The parish was ...
. The bridge opened in 1992.
The LaBranche Wetlands Bridge was constructed using a method known as "end-on construction" to avoid damaging the environmentally sensitive LaBranche Wetlands. This is a top-down technique in which construction platforms are mounted on concrete piles to avoid disrupting the environment below. From these platforms, the next set of piles and bridge viaducts are placed, allowing the platform to progress forward for the next set. The bridge won the 1992 Build America award in the Highway Division category.
See also
*
List of bridges in the United States
This list of bridges in the United States is organized by state and includes notable bridges (both existing and destroyed) in the United States. There are more than 600,000 bridges in the U.S.List of 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 ...
References
External links
LA DOTD website
Bridges completed in 1992
Buildings and structures in St. Charles Parish, Louisiana
Tourist attractions in St. Charles Parish, Louisiana
Transportation in St. Charles Parish, Louisiana
Road bridges in Louisiana
3
Bridges on the Interstate Highway System
Concrete bridges in the United States
Trestle bridges in the United States
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