LA1180 over Lebleu Bayou
Avoyelles Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- LA1180 over Lebleu Bayou in Avoyelles Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1985, making it 40 years old at the 2025 inventory.
- It carries about 691 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 53 of the 150 inventoried bridges in Avoyelles Parish rated fair (35.3%); 26 (17.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated February 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (30.93488, -91.9837)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 77 ft |
| Location | 4.57 M W of S Jct La 107 |
| NBI structure number | 080508050204571 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Avoyelles Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0049 over La 106 | 1986 | 19,302 | Good |
| I0049 over Acadiana Railway | 1986 | 19,302 | Fair |
| I0049 over La 115 | 1987 | 19,302 | Good |
| LA0001 over Coulee Des Grue | 1931 | 18,571 | Fair |
| LA0001 over Bayou Perot | 1970 | 10,795 | Good |
| I0049 over La 106 | 1986 | 10,352 | Good |
All bridges nearby: Avoyelles Parish, LA bridge conditions · every bridge in Avoyelles Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.