FAU 4318 over Drainage Ditch
FairHamblen County, Tennessee · .1 M S of Sou Rwy · Structure no. 320A4700001
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected September 2023
- Type
- Tee Beam
- Concrete
- Length
- 32 ft
- 1 main span
- Daily traffic
- 3,892
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
FAU 4318 over Drainage Ditch is a concrete tee beam carrying FAU 4318 over Drainage Ditch in Hamblen County, Tennessee. It was built in 1966, so it is 59 years old, older than the Tennessee average of 47.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,892 vehicles a day, roughly 9% of them trucks, projected to reach 7,456 by 2039. The structure is 32 ft (9.8 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAU 4318 over Drainage Ditch built?
It was built in 1966, making it 59 years old in 2025.
What condition is FAU 4318 over Drainage Ditch in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2023.
How much traffic does FAU 4318 over Drainage Ditch carry?
About 3,892 vehicles per day (2021 count), of which roughly 9% are trucks.
How long is FAU 4318 over Drainage Ditch?
The structure is 32 ft (9.8 m) long with a longest span of 29 ft (8.7 m) and a deck 33 ft wide.
Who owns FAU 4318 over Drainage Ditch?
It is owned by the City or Municipal Highway Agency.