I40 over Harpeth River
GoodCheatham County, Tennessee · 2 M E JCT SR249&I40 · Structure no. 11I00400011
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 628 ft
- 8 main spans
- Daily traffic
- 53,557
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I40 over Harpeth River is a prestressed concrete stringer/multi-beam or girder carrying I40 over Harpeth River in Cheatham County, Tennessee. It was built in 2016, so it is 9 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 53,557 vehicles a day, roughly 7% of them trucks, projected to reach 100,080 by 2040. The structure is 628 ft (191.5 m) long and 134 ft wide. If it were closed, the detour would be 1.2 mi (2 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I40 over Harpeth River built?
It was built in 2016, making it 9 years old in 2025.
What condition is I40 over Harpeth River 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 July 2024.
How much traffic does I40 over Harpeth River carry?
About 53,557 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is I40 over Harpeth River?
The structure is 628 ft (191.5 m) long with a longest span of 83 ft (25.4 m) and a deck 134 ft wide.
Who owns I40 over Harpeth River?
It is owned by the State Highway Agency.