Old Spanish Trail

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Avoca Island Bridge (St. Mary Parish, Louisiana)
Built 1912; damaged 1938 and replaced by ferry
Lost Warren through truss drawbridge over Bayou Boeuf on LA 1092E (formerly US 90/LA 2)
Removed but not replaced

CSX - Inner Harbor Navigation Canal Bridge (Orleans Parish, Louisiana)
Built 1919 by the Bethlehem Steel Co.
Bascule bridge over the Inner Harbor Navigation Canal (Industrial Canal) on former Almonaster Ave. in New Orleans
Open to rail traffic; closed to vehicular traffic

East Navidad River FM 1579 Bridge (Fayette County, Texas)
Built 1923
Concrete deck girder bridge over East Navidad River on FM 1579
Open to traffic

Long-Allen Bridge (St. Mary Parish, Louisiana)
Built 1933 by the Mt. Vernon Bridge Co.
Through truss bridge over Atchafalaya River on LA 182 (old US 90) between Berwick and Morgan City
Open to traffic

Old US 11 East Pearl River Bridge (Hancock County, Mississippi)
Built 1926; made obsolete by re-routing of US 11 onto Interstate 59 in 1965
Lost Bridge over Pearl River on Old US 11 (originally US 90)
Demolished after 1972

Old US 11 West Pearl River Bridge (St. Tammany Parish, Louisiana)
Opened to traffic in November 1926; likely demolished around 1971
Lost Bridge over Pearl River on Old US 11 (originally US 90)
Removed

UP - Old Spanish Trail Overpass (Harris County, Texas)
Built 1934
Deck plate girder bridge over Old Spanish trail/US 90 on Railroad
Open to traffic

US 90 Sabine River Bridge (Orange County, Texas)
Opened to traffc on November 11, 1927; Demolished in the 1960s
Lost swing truss bridge over Sabine River on US 90
Removed

US90 Adams Bayou Bridge (Orange County, Texas)
Lost Timber stringer bridge over Adams Bayou on US 90/West Park Avenue
Replaced by a new bridge

US90 Calcasieu River Bridge (Calcasieu Parish, Louisiana)
Built 1916; Replaced 1952
Lost Bridge over Calcasieu River on US 90, northern approach still intact
Replaced by a new bridge

US90 Neches River Swing Bridge (Jefferson County, Texas)
Built 1925
Lost Through truss bridge over Neches River on Old Spanish Trail (US 90)
No longer exists