I840 over Overflow
GoodRutherford County, Tennessee · I-840 · Structure no. 75SR8400003
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected October 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 39 ft
- 3 main spans
- Daily traffic
- 43,028
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I840 over Overflow is a concrete continuous culvert carrying I840 over Overflow in Rutherford County, Tennessee. It was built in 1998, so it is 27 years old, younger than the Tennessee average of 47.4 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 43,028 vehicles a day, roughly 7% of them trucks, projected to reach 84,048 by 2041. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 8.1 mi (13 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I840 over Overflow built?
It was built in 1998, making it 27 years old in 2025.
What condition is I840 over Overflow in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.
How much traffic does I840 over Overflow carry?
About 43,028 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is I840 over Overflow?
The structure is 39 ft (11.9 m) long with a longest span of 15 ft (4.6 m).
Who owns I840 over Overflow?
It is owned by the State Highway Agency.