Longest Bridges in the United States
                     Longest Bridges in the United States
Overview
According to a recent survey report, there are more than 617,000 bridges 
across the United States. However, 50 percent of those bridges are 
structurally deficient and functionally obsolete. Clearly, the United States 
is facing an infrastructure crisis for the past few years. Although, things 
are getting better after the public-private partnership. As per this 
agreement, a bridge infrastructure company invests private bridge capital 
to improve US infrastructure. 
Following are some longest bridges in America:
 Manchac Swamp Bridge
 Lake Pontchartrain Causeway
 Atchafalaya Basin Bridge
 I-10 Bonnet Carré Spillway Bridge
Manchac Swamp Bridge
It is a twin concrete trestle bridge that is 36.71 km long and 
connects U.S. Route 51 and Interstate 55. The Manchac 
Swamp Bridge was opened for traffic in 1979 and is known as 
the world’s longest toll-free bridge in the United States. 
Lake Pontchartrain Causeway
It is a 38.44 km-long bridge that is located in Louisiana. In 
fact, it is the longest bridge in the world. The objective of 
this bridge is to help travelers move from one side to 
another side of the city. 
Atchafalaya Basin Bridge
The Atchafalaya Basin Bridge, also known as Louisiana Airborne 
Memorial Bridge is a twin bridge that connects Lafayette to Baton 
Rouge. This 29.29 km bridge was opened to the public in 1973 
and is known as the longest bridge in the United States.
I-10 Bonnet Carré Spillway Bridge
It is another longest bridge located in Louisiana, USA. This 
longest bridge was opened for traffic in 1972 and carries 
Interstate 1-10. Bonnet Carré Spillway Bridge is a twin trestle 
bridge that is 17.70 km long. 
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