Historic Bridges of the U.S. | St. Tammany Parish

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Bayou Bonfouca LA 433 Bridge
Swing bridge over Bayou Bonfouca on LA 433
Open to traffic
Built 1976

Bayou Lacombe US 190 Bridge
Swing bridge over Bayou Lacombe on US 190 in Lacombe
Open to traffic
Built 1938

Bayou Liberty LA 433 Bridge
Swing bridge over Bayou Liberty on LA 433
Open to traffic
Built 1981

East Middle Pearl River US 90 Bridge
Pony truss bridge over East Middle Pearl River on US 90
Open to traffic
Built 1933

East Pearl River US 90 Bridge
Swing bridge over East Pearl River on US 90
Open to traffic
Built 1934

Lake Pontchartrain Causeway
Pair of prestressed concrete bridges over Lake Pontchartrain with a length of nearly 24 miles in New Orleans
Open to two lanes of toll southbound traffic and two lanes of free northbound traffic
First bridge built 1956

Middle Middle Pearl River US 90 Bridge
Pony truss bridge over Middle Middle Pearl River on US 90
Open to traffic
Built 1933

Tchefuncte River LA 22 Bridge
Swing bridge over Tchefuncte River on LA 22 at Madisonville
Open to traffic
Built ca. 1980

West Middle River US 90 Bridge
Pony truss bridge over West Middle River on US 90
Open to traffic
Built 1933

West Pearl River US 90 Bridge
Vertical lift bridge over West Pearl River on US 90
Open to traffic
Built 1933