LA1151 over Drain
Allen Parish, Louisiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- LA1151 over Drain in Allen Parish, Louisiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1965, making it 60 years old at the 2025 inventory.
- It carries about 482 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 22 of the 178 inventoried bridges in Allen Parish rated poor (12.4%); 22 (12.4%) 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 → (30.60712, -92.7936)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 3 | Serious condition |
Bridge details
| Structure | Steel culvert |
| Length | about 32 ft |
| Location | 2.0 W of US 165 |
| NBI structure number | 070208020402451 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Allen Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US0165 over Kinder Ditch | 1932 | 11,886 | Fair |
| US0165 over Drainage Ditch | 2002 | 11,886 | Good |
| US0165 over Kinder Canal | 1932 | 11,886 | Fair |
| US0165 over Drainage Ditch | 2002 | 11,886 | Fair |
| US0165 over Drainage Ditch | 2000 | 11,886 | Fair |
| US0165 over Drain | 1931 | 11,886 | Fair |
All bridges nearby: Allen Parish, LA bridge conditions · every bridge in Allen Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.