US0090 over Ramos Bayou
St. Mary Parish, Louisiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US0090 over Ramos Bayou in St. Mary Parish, Louisiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1932 and reconstructed in 1989, making it 93 years old at the 2025 inventory.
- It carries about 7,504 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (29.67822, -91.13992)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 2 | Critical condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 465 ft |
| Location | 4.1 Mi East of US 90 |
| NBI structure number | 035100050105491 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
All bridges nearby: St. Mary Parish, LA bridge conditions · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.