I81 over Sinking Fork Creek
FairHamblen County, Tennessee · Jefferson CO Line · Structure no. 32I00810039
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected February 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 49,004
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I81 over Sinking Fork Creek is a concrete continuous culvert carrying I81 over Sinking Fork Creek in Hamblen County, Tennessee. It was built in 1964, so it is 61 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 49,004 vehicles a day, roughly 6% of them trucks, projected to reach 62,800 by 2040. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I81 over Sinking Fork Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is I81 over Sinking Fork Creek 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 February 2024.
How much traffic does I81 over Sinking Fork Creek carry?
About 49,004 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is I81 over Sinking Fork Creek?
The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).
Who owns I81 over Sinking Fork Creek?
It is owned by the State Highway Agency.