Perimeter Road over Dowden Creek
Vernon Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Perimeter Road over Dowden Creek in Vernon Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1978, making it 47 years old at the 2025 inventory.
- It carries about 40 vehicles a day (traffic count year 2016).
- It is one of 114 of the 337 inventoried bridges in Vernon Parish rated fair (33.8%); 28 (8.3%) 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 → (31.33233, -93.31255)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 36 ft |
| Location | Ve 713 664 |
| NBI structure number | DAPFORPOK00H28P |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Vernon Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Allen Gordy Rd over Flactor Creek Trib. | 1984 | 100,060 | Fair |
| US0171 over Sales Branch | 1975 | 17,200 | Good |
| US0171 over Flat Creek | 1979 | 14,458 | Good |
| US0171 over Sales Branch | 1975 | 14,458 | Fair |
| US0171 over Creek | 1930 | 14,420 | Good |
| US0171 over Flat Creek | 1981 | 14,420 | Good |
All bridges nearby: Vernon Parish, LA bridge conditions · every bridge in Vernon Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.