I840 over I-840-L / Old Nash. HWY
GoodDickson County, Tennessee · I840 @ Old Nash.Hwy · Structure no. 22SR8400008
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 224 ft
- 3 main spans
- Daily traffic
- 14,082
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
I840 over I-840-L / Old Nash. HWY is a prestressed concrete continuous stringer/multi-beam or girder carrying I840 over I-840-L / Old Nash. HWY in Dickson County, Tennessee. It was built in 2004, so it is 21 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 14,082 vehicles a day, roughly 7% of them trucks, projected to reach 22,531 by 2042. The structure is 224 ft (68.2 m) long and 44 ft wide. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I840 over I-840-L / Old Nash. HWY built?
It was built in 2004, making it 21 years old in 2025.
What condition is I840 over I-840-L / Old Nash. HWY 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 May 2024.
How much traffic does I840 over I-840-L / Old Nash. HWY carry?
About 14,082 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is I840 over I-840-L / Old Nash. HWY?
The structure is 224 ft (68.2 m) long with a longest span of 79 ft (24.1 m) and a deck 44 ft wide.
Who owns I840 over I-840-L / Old Nash. HWY?
It is owned by the State Highway Agency.