Nfa A373 over Doe River
PoorPosted for loadCarter County, Tennessee · E of SR143 near Roan Mtn · Structure no. 100C1010001
- Built
- 1946
- 79 years old
- Condition
- Poor
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 68 ft
- 3 main spans
- Daily traffic
- 270
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa A373 over Doe River is a steel stringer/multi-beam or girder carrying Nfa A373 over Doe River in Carter County, Tennessee. It was built in 1946, so it is 79 years old, older than the Tennessee average of 47.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 270 vehicles a day, roughly 2% of them trucks, projected to reach 432 by 2041. The structure is 68 ft (20.6 m) long and 12 ft wide. If it were closed, the detour would be 123.7 mi (199 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa A373 over Doe River built?
It was built in 1946, making it 79 years old in 2025.
What condition is Nfa A373 over Doe River in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.
How much traffic does Nfa A373 over Doe River carry?
About 270 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa A373 over Doe River?
The structure is 68 ft (20.6 m) long with a longest span of 23 ft (7 m) and a deck 12 ft wide.
Who owns Nfa A373 over Doe River?
It is owned by the County Highway Agency.