Harmon Johnson Rd over Drain to Prairie Bayou
Ouachita Parish, Louisiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Harmon Johnson Rd over Drain to Prairie Bayou in Ouachita Parish, Louisiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1968, making it 57 years old at the 2025 inventory.
- It carries about 570 vehicles a day (traffic count year 1977).
- Its listed owner is the county 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 → (32.39741, -92.07335)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 0 | Failed condition, out of service |
Bridge details
| Structure | Steel culvert |
| Length | about 20 ft |
| Location | 2.2 Mi. E. U.S. Hwy. |
| NBI structure number | 053732237920471 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
All bridges nearby: Ouachita Parish, LA bridge conditions · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.