I40 over Buffalo River
FairHumphreys County, Tennessee · 5.1 Mi.W.Of Hickman Co. · Structure no. 43I00400012
- Built
- 1964
- 61 years old, rebuilt 1984
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 1,765 ft
- 3 main spans
- Daily traffic
- 35,368
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I40 over Buffalo River is a steel continuous stringer/multi-beam or girder carrying I40 over Buffalo River in Humphreys County, Tennessee. It was built in 1964 and reconstructed in 1984, 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 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 35,368 vehicles a day, roughly 7% of them trucks, projected to reach 56,589 by 2042. The structure is 1,765 ft (538 m) long and 44 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 I40 over Buffalo River built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1984.
What condition is I40 over Buffalo River 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 August 2023.
How much traffic does I40 over Buffalo River carry?
About 35,368 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is I40 over Buffalo River?
The structure is 1,765 ft (538 m) long with a longest span of 90 ft (27.4 m) and a deck 44 ft wide.
Who owns I40 over Buffalo River?
It is owned by the State Highway Agency.