450 Fdr over Branch of Black Creek
Vernon Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 450 Fdr over Branch of Black Creek in Vernon Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 20 vehicles a day (traffic count year 1976).
- It is one of 114 of the 337 inventoried bridges in Vernon Parish rated fair (33.8%); 28 (8.3%) 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 January 2025, 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 → (30.92719, -93.1488)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete channel beam |
| Length | about 41 ft |
| Location | 7.8M. E. of Rosepin |
| NBI structure number | 080605000002544 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | January 2025 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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.