The longest bridge

           

 in the U.S.

 

The Lake Pontchartrain

Causeway in Louisiana

is the longest bridge in

the United States,

spanning 23.79 miles

across

Lake Pontchartrain.

It's also the longest

continuous bridge

over water in the

world. The bridge

connects New

Orleans with smaller

communities on the

north shore of the

lake. It's made up of

 two parallel bridges

supported by 9,500

concrete pilings.

The Most Beautiful

and Iconic American

Bridges.