Nfa B257 over Black Fox Creek
GoodBradley County, Tennessee · 2MI South of SR40 · Structure no. 060B2570001
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected October 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 40 ft
- 3 main spans
- Daily traffic
- 590
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa B257 over Black Fox Creek is a concrete continuous culvert carrying Nfa B257 over Black Fox Creek in Bradley County, Tennessee. It was built in 1965, so it is 60 years old, older than the Tennessee average of 47.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 590 vehicles a day, roughly 2% of them trucks, projected to reach 944 by 2042. The structure is 40 ft (12.2 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa B257 over Black Fox Creek built?
It was built in 1965, making it 60 years old in 2025.
What condition is Nfa B257 over Black Fox Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.
How much traffic does Nfa B257 over Black Fox Creek carry?
About 590 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa B257 over Black Fox Creek?
The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.
Who owns Nfa B257 over Black Fox Creek?
It is owned by the County Highway Agency.