| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Bayou Bonfouca LA 433 Bridge | LA 433 over Bayou Bonfouca | Open to traffic | Other | 1976 | -- | 245.0 ft. | 325.0 ft. |
| Bayou Lacombe US 190 Bridge | US 190 over Bayou Lacombe | Open to traffic | Other | 1938 | -- | 129.9 ft. | 319.8 ft. |
| Bayou Liberty LA 433 Bridge | LA 433 over Bayou Liberty | Open to traffic | Other | 1981 | -- | 120.0 ft. | 211.9 ft. |
| East Middle Pearl River US 90 Bridge | US 90 over East Middle Pearl River | Open to traffic | Pony truss | 1933 | -- | 80.0 ft. | 581.8 ft. |
| East Pearl River US 90 Bridge | US 90 over East Pearl River | Open to traffic | Other | 1934 | -- | 279.7 ft. | 960.7 ft. |
| Lake Pontchartrain Causeway | Lake Pontchartrain Causeway over Lake Pontchartrain | Open to two lanes of toll southbound traffic and two lanes of free northbound traffic | Beam | -- | -- | 180.1 ft. | 125794.9 ft. |
| Middle Middle Pearl River US 90 Bridge | US 90 over Middle Middle Pearl River | Open to traffic | Pony truss | 1933 | -- | 80.0 ft. | 581.8 ft. |
| Tchefuncte River LA 22 Bridge | LA 22 over Tchefuncte River | Open to traffic | Other | ca. 1980 | -- | 180.0 ft. | 502.8 ft. |
| West Middle River US 90 Bridge | US 90 over West Middle River | Open to traffic | Pony truss | 1933 | -- | 80.0 ft. | 581.8 ft. |
| West Pearl River US 90 Bridge | US 90 over West Pearl River | Open to traffic | Other | 1933 | -- | 109.9 ft. | 569.7 ft. |