I40 Wbl over Nfa 1170 (creston Rd)
FairCumberland County, Tennessee · In Oak Hill · Structure no. 18I00400016
- Built
- 1966
- 59 years old, rebuilt 1980
- Condition
- Fair
- inspected October 2023
- Type
- Tee Beam
- Concrete Continuous
- Length
- 105 ft
- 3 main spans
- Daily traffic
- 35,960
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I40 Wbl over Nfa 1170 (creston Rd) is a concrete continuous tee beam carrying I40 Wbl over Nfa 1170 (creston Rd) in Cumberland County, Tennessee. It was built in 1966 and reconstructed in 1980, 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 35,960 vehicles a day, roughly 7% of them trucks, projected to reach 48,525 by 2042. The structure is 105 ft (32 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I40 Wbl over Nfa 1170 (creston Rd) built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1980.
What condition is I40 Wbl over Nfa 1170 (creston Rd) 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 October 2023.
How much traffic does I40 Wbl over Nfa 1170 (creston Rd) carry?
About 35,960 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is I40 Wbl over Nfa 1170 (creston Rd)?
The structure is 105 ft (32 m) long with a longest span of 42 ft (12.8 m) and a deck 44 ft wide.
Who owns I40 Wbl over Nfa 1170 (creston Rd)?
It is owned by the State Highway Agency.