I40 over Harpeth River
FairPosted for loadDavidson County, Tennessee · 3.0 M E Cheatam CO Line · Structure no. 19I00400007
- Built
- 1995
- 30 years old
- Condition
- Fair
- inspected October 2023
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete Continuous
- Length
- 395 ft
- 5 main spans
- Daily traffic
- 57,507
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I40 over Harpeth River is a prestressed concrete continuous box beam or girders - single or spread carrying I40 over Harpeth River in Davidson County, Tennessee. It was built in 1995, so it is 30 years old, younger 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. Its operating status is: posted for load restriction.
It carries about 57,507 vehicles a day, roughly 7% of them trucks, projected to reach 92,011 by 2042. The structure is 395 ft (120.4 m) long and 142 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I40 over Harpeth River built?
It was built in 1995, making it 30 years old in 2025.
What condition is I40 over Harpeth 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 October 2023.
How much traffic does I40 over Harpeth River carry?
About 57,507 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is I40 over Harpeth River?
The structure is 395 ft (120.4 m) long with a longest span of 80 ft (24.4 m) and a deck 142 ft wide.
Who owns I40 over Harpeth River?
It is owned by the State Highway Agency.