Nfa E400 over I40
FairCocke County, Tennessee · Just South of Denton · Structure no. 15I00400031
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 269 ft
- 4 main spans
- Daily traffic
- 240
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Nfa E400 over I40 is a concrete continuous tee beam carrying Nfa E400 over I40 in Cocke County, Tennessee. It was built in 1970, so it is 55 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 5 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 240 vehicles a day, roughly 2% of them trucks, projected to reach 384 by 2042. The structure is 269 ft (82 m) long and 42 ft wide. If it were closed, the detour would be 19.9 mi (32 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa E400 over I40 built?
It was built in 1970, making it 55 years old in 2025.
What condition is Nfa E400 over I40 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 May 2024.
How much traffic does Nfa E400 over I40 carry?
About 240 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa E400 over I40?
The structure is 269 ft (82 m) long with a longest span of 81 ft (24.7 m) and a deck 42 ft wide.
Who owns Nfa E400 over I40?
It is owned by the State Highway Agency.