Airline Rd over Bayou Plaquemine Bruly
St. Landry Parish, Louisiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Airline Rd over Bayou Plaquemine Bruly in St. Landry Parish, Louisiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 150 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 28 of the 316 inventoried bridges in St. Landry Parish rated poor (8.9%); 28 (8.9%) are rated poor.
- 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 → (30.5025, -92.15326)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Concrete slab |
| Length | about 76 ft |
| Location | 1.5 Mi. East of Ribbon Rd |
| NBI structure number | 034930301920921 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in St. Landry Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0049 over Bayou Carencro | 1963 | 44,889 | Fair |
| I0049 over LA0093 | 1978 | 44,889 | Good |
| I0049 over LA3233 | 1982 | 44,317 | Fair |
| I0049 over Bayou Callahan | 1962 | 44,243 | Fair |
| I0049 over Judson Walsh Road | 1982 | 44,138 | Good |
| I0049 over US0190 | 1981 | 42,326 | Good |
All bridges nearby: St. Landry Parish, LA bridge conditions · every bridge in St. Landry Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.