I40 over Nfa 2500 Zirkle Road
FairJefferson County, Tennessee · 4.69 Mi.From Cocke Co.Ln. · Structure no. 45I00400012
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected June 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 166 ft
- 3 main spans
- Daily traffic
- 25,031
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I40 over Nfa 2500 Zirkle Road is a concrete continuous tee beam carrying I40 over Nfa 2500 Zirkle Road in Jefferson County, Tennessee. It was built in 1961, so it is 64 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 25,031 vehicles a day, roughly 6% of them trucks, projected to reach 40,050 by 2042. The structure is 166 ft (50.7 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I40 over Nfa 2500 Zirkle Road built?
It was built in 1961, making it 64 years old in 2025.
What condition is I40 over Nfa 2500 Zirkle Road 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 June 2024.
How much traffic does I40 over Nfa 2500 Zirkle Road carry?
About 25,031 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is I40 over Nfa 2500 Zirkle Road?
The structure is 166 ft (50.7 m) long with a longest span of 58 ft (17.8 m) and a deck 46 ft wide.
Who owns I40 over Nfa 2500 Zirkle Road?
It is owned by the State Highway Agency.