Nfa B407 over Sinking Creek
GoodWashington County, Tennessee · S of Johnson City · Structure no. 900B4070001
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Steel
- Length
- 21 ft
- 1 main span
- Daily traffic
- 510
- 2020 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Nfa B407 over Sinking Creek is a steel culvert carrying Nfa B407 over Sinking Creek in Washington County, Tennessee. It was built in 1985, so it is 40 years old, younger 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 510 vehicles a day, roughly 2% of them trucks, projected to reach 816 by 2042. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 123.7 mi (199 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa B407 over Sinking Creek built?
It was built in 1985, making it 40 years old in 2025.
What condition is Nfa B407 over Sinking 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 May 2024.
How much traffic does Nfa B407 over Sinking Creek carry?
About 510 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa B407 over Sinking Creek?
The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m).
Who owns Nfa B407 over Sinking Creek?
It is owned by the City or Municipal Highway Agency.