Nfa D257 over Briley Pkwy.
Davidson County, Tennessee · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Nfa D257 over Briley Pkwy. in Davidson County, Tennessee, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1989, making it 36 years old at the 2025 inventory.
- It carries about 4,350 vehicles a day (traffic count year 2020).
- Its listed owner is the state 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 → (36.18763, -86.8629)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Continuous concrete multiple box beam |
| Length | about 231 ft |
| Location | 3 Mw of SR 12 |
| NBI structure number | 19SR1550023 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Tennessee department of transportation.
All bridges nearby: Davidson County, TN bridge conditions · Tennessee bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.