Nfa A610 over Big Branch
GoodMcMinn County, Tennessee · 2 MI FM Monroe CO Line · Structure no. 540A6100003
- Built
- 1965
- 60 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 250
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A610 over Big Branch is a concrete continuous culvert carrying Nfa A610 over Big Branch in McMinn 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 400 by 2042. The structure is 27 ft (8.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 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 A610 over Big Branch built?
It was built in 1965, making it 60 years old in 2025.
What condition is Nfa A610 over Big 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 September 2023.
How much traffic does Nfa A610 over Big Branch carry?
About 250 vehicles per day (2020 count), of which roughly 1% are trucks.
How long is Nfa A610 over Big Branch?
The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.
Who owns Nfa A610 over Big Branch?
It is owned by the County Highway Agency.