FAS 173 644501J over Clinchfield Railroad
GoodUnicoi County, Tennessee · Just E of New SR 36 · Structure no. 86SR1730005
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected October 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 218 ft
- 3 main spans
- Daily traffic
- 5,170
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
FAS 173 644501J over Clinchfield Railroad is a prestressed concrete continuous box beam or girders - single or spread carrying FAS 173 644501J over Clinchfield Railroad in Unicoi 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 5,170 vehicles a day, roughly 5% of them trucks, projected to reach 9,232 by 2040. The structure is 218 ft (66.5 m) long and 50 ft wide. If it were closed, the detour would be 11.8 mi (19 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAS 173 644501J over Clinchfield Railroad built?
It was built in 1985, making it 40 years old in 2025.
What condition is FAS 173 644501J over Clinchfield Railroad 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 October 2024.
How much traffic does FAS 173 644501J over Clinchfield Railroad carry?
About 5,170 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is FAS 173 644501J over Clinchfield Railroad?
The structure is 218 ft (66.5 m) long with a longest span of 73 ft (22.3 m) and a deck 50 ft wide.
Who owns FAS 173 644501J over Clinchfield Railroad?
It is owned by the State Highway Agency.