Nfa D310 over Branch
GoodSullivan County, Tennessee · Forest Lane North · Structure no. 820D3100001
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected February 2024
- Type
- Frame
- Concrete
- Length
- 46 ft
- 1 main span
- Daily traffic
- 220
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa D310 over Branch is a concrete frame carrying Nfa D310 over Branch in Sullivan County, Tennessee. It was built in 2006, so it is 19 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 220 vehicles a day, roughly 2% of them trucks, projected to reach 352 by 2042. The structure is 46 ft (14 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa D310 over Branch built?
It was built in 2006, making it 19 years old in 2025.
What condition is Nfa D310 over Branch 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 February 2024.
How much traffic does Nfa D310 over Branch carry?
About 220 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa D310 over Branch?
The structure is 46 ft (14 m) long with a longest span of 46 ft (14 m) and a deck 42 ft wide.
Who owns Nfa D310 over Branch?
It is owned by the County Highway Agency.