Nfa A649 over Heaton RD / Doe River
GoodCarter County, Tennessee · S of SR37-W of Roan Mtn. · Structure no. 100A6490001
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected July 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 80 ft
- 2 main spans
- Daily traffic
- 50
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A649 over Heaton RD / Doe River is a prestressed concrete continuous box beam or girders - multiple carrying Nfa A649 over Heaton RD / Doe River in Carter County, Tennessee. It was built in 1991, so it is 34 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2039. The structure is 80 ft (24.4 m) long and 24 ft wide. 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A649 over Heaton RD / Doe River built?
It was built in 1991, making it 34 years old in 2025.
What condition is Nfa A649 over Heaton RD / Doe River 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 July 2023.
How much traffic does Nfa A649 over Heaton RD / Doe River carry?
About 50 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A649 over Heaton RD / Doe River?
The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.
Who owns Nfa A649 over Heaton RD / Doe River?
It is owned by the County Highway Agency.