LA1159 over Bayou
Evangeline Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- LA1159 over Bayou in Evangeline Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1940, making it 85 years old at the 2025 inventory.
- It carries about 79 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 77 of the 155 inventoried bridges in Evangeline Parish rated fair (49.7%); 10 (6.5%) are rated poor.
- 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 → (30.52468, -92.57998)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 39 ft |
| Location | 0.4 MI East of LA 1158 |
| NBI structure number | 032008202400391 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Evangeline Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0049 over Drainage Canal | 1986 | 19,966 | Fair |
| I0049 over Drainage Canal | 1986 | 19,302 | Fair |
| US0167 over Coulee Manuel | 1995 | 16,358 | Fair |
| US0167 over Bayou Joe Morcel | 1994 | 11,126 | Good |
| I0049 over Drainage Canal | 1986 | 9,875 | Fair |
| I0049 over Drainage Canal | 1986 | 9,158 | Good |
All bridges nearby: Evangeline Parish, LA bridge conditions · every bridge in Evangeline Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.