St. Tammany Parish

Bayou Bonfouca Bridge   [Map · Street View]
Concrete tee beam bridge over Bayou Bonfouca on US-190
Open to traffic
Built 1933
Bayou Bonfouca LA 433 Bridge   [Map · Street View]
Swing bridge over Bayou Bonfouca on LA 433
Open to traffic
Built 1976
Bayou Castine Bridge   [Map · Street View]
Concrete tee beam bridge over Bayou Castine on US-190
Open to traffic
Built 1932
Bayou Lacombe US 190 Bridge   [Map · Street View]
Swing bridge over Bayou Lacombe on US 190 in Lacombe
Open to traffic
Built 1938
Bayou Liberty Bridge   [Map · Street View]
Concrete tee beam bridge over Bayou Liberty on US-190
Open to traffic
Built 1933
Bayou Liberty LA 433 Bridge   [Map · Street View]
Swing bridge over Bayou Liberty on LA 433
Replaced by new bridge
Built 1981; replaced 2010
Belle Terre Blvd. Bridge   [Map]
Stone culvert bridge over a tributary of Ponchitolawa Creek on Belle Terre Blvd.
Open to traffic
Built 1936
Big Branch Bridge   [Map · Street View]
Concrete tee beam bridge over Big Branch on US-190
Open to traffic
Built 1932
Bogue Falaya River Bridge   [Map]
Lost Steel stringer bridge over Bogue Falaya River on US-190B, LA-21
Replaced by a new bridge
Built 1930
Cane Bayou Bridge   [Map · Street View]
Concrete tee beam bridge over Cane Bayou on US 190
Open to traffic
Built 1932
Cane Bayou Bridge   [Map · Street View]
Concrete tee beam bridge over Cane Bayou on US 190
Open to traffic
Built 1932
CSX - Rigolets Pass Bridge   [Map · Street View]
Through truss bridge over Rigolets Pass on CSX Railroad
Open to traffic
Opened June 10, 1925
East Middle Pearl River US 90 Bridge   [Map · Street View]
Pony truss bridge over East Middle Pearl River on US 90
Open to traffic
Built 1933
East Pearl River US 90 Bridge   [Map · Street View]
Swing bridge over East Pearl River on US 90
Open to traffic
Built 1933 by the Wisconsin Bridge & Iron Co.
I-10 East Pearl River Bridge   [Map · Street View]
Girder bridge over East Pearl River on I-10
Open to traffic
Built 1970
I-59 East Pearl River Bridge   [Map · Street View]
Beam bridge over East Pearl River & Honey Island Swamp Road on US Highway 11 & I-59
Open to traffic
Built 1958
IC - Bogue Chitto River Bridge   [Map · Street View]
Abandoned through truss bridge over Bogue Chitto River on Illinois Central Railroad
Derelict/abandoned
IC - Lacombe Bayou Bridge (Old)   [Map]
Pony plate girder swing bridge over Lacombe Bayou on Former Illinois Central Railroad
A Bascule draw built across of bike traffic
Built 1907; Removed ?
IC - Tchefuncte River Bridge   [Map · Street View]
Abandoned truss bridge over Tchefuncte River on Illinois Central Railroad
Derelict/abandoned
ICG - LA-21 Overpass   [Map]
Lost Steel stringer bridge over Former Illinois Central Gulf Railroad on LA-21
Railroad line closed and removed; bridge demolished and replaced with blacktop
Built 1933
LA36 Overpass   [Map · Street View]
Steel stringer bridge over Former Illinois Central Gulf Railroad on LA-36
Open to traffic
Built 1937
Lake Pontchartrain Causeway   [Map · Street View]
Pair of prestressed concrete bridges over Lake Pontchartrain with a length of nearly 24 miles
Open to two lanes of toll southbound traffic and two lanes of free northbound traffic
First bridge built 1956
Lake Road Bridge   [Map · Street View]
Steel stringer bridge over Powell Canal on Lake Road
Open to traffic
Built ca. 1960
Liberty Bayou Bridge   [Map]
Concrete stringer wooden bridge over Liberty Bayou on Louisiana Route 433
Replaced by a new bridge
Built in 1941; replaced 1980
Maestri Bridge   [Map · Street View]
Bascule bridge over Lake Pontchartrain on US 11 in New Orleans
Open to traffic
Built 1928
Middle Middle Pearl River US 90 Bridge   [Map · Street View]
Pony truss bridge over Middle Middle Pearl River on US 90
Open to traffic
Built 1933
NO&N - Tchefuncte River Bridge   [Map]
Lost through truss bridge over Tchefuncte River on New Orleans & Northeastern
Removed but not replaced
NS - East Pearl River Bridge   [Map · Street View]
Through truss bridge over Pearl River on Norfolk Southern Railway
Open to traffic
Built 1906
NS - Lake Pontchartrain Trestle   [Map · Street View]
Bascule bridge over Lake Pontchartrain on Norfolk Southern Railway (former Southern Railway)
Open to traffic
Originally built 1884. several upgrades have been made since
NS - West Fork Pearl River Swing Bridge   [Map · Street View]
Railroad swing bridge over Pearl River, West Fork navigation channel on Norfolk Southern Railroad
Open to traffic
Old US 11 East Pearl River Bridge   [Map]
Lost Bridge over Pearl River on Old US 11 (originally US 90)
Demolished after 1972
Built 1926; made obsolete by re-routing of US 11 onto Interstate 59 in 1965
Old US 11 West Pearl River Bridge   [Map · Street View]
Lost Bridge over Pearl River on Old US 11 (originally US 90)
Removed
Opened to traffic in November 1926; likely demolished around 1971
Rigolets Bridge   [Map]
Lost through truss swing bridge over Rigolets Pass on US 90 in New Orleans
Replaced by new bridge
Opened to traffic June 9, 1930; replaced 2009
Slough Bridge   [Map · Street View]
Slab bridge over Slough on US-190
Open to traffic
Built 1941
Tammany Trace Bike Trail - Lacombe Bayou Bridge   [Map · Street View]
Bridge over Lacombe Bayou on Tammany Trace Bike Trail (formerly Illinois Central Railroad)
Open to pedestrians and cyclists only
Built 2008
Tchefuncte River Bridge   [Map · Street View]
Steel stringer bridge over Tchefuncte River on LA-21
Open to traffic
Built 1950
Tchefuncte River LA 22 Bridge   [Map · Street View]
Swing bridge over Tchefuncte River on LA 22 at Madisonville
Open to traffic
Built ca. 1980
US11 Overpass   [Map · Street View]
Steel stringer bridge over New Orleans and Northeastern RR (now Norfolk Southern RR) on US 11
Open to traffic
Built 1937
West Middle River US 90 Bridge   [Map · Street View]
Pony truss bridge over West Middle River on US 90
Open to traffic
Built 1933
West Pearl River Bridge   [Map · Street View]
Pair of steel stringer bridges over West Pearl River on I-10
Open to traffic
Built 1970
West Pearl River US 90 Bridge   [Map · Street View]
Vertical lift bridge over West Pearl River on US 90
Open to traffic
Built 1933