Access Road over CSX Railroad
GoodMarion County, Tennessee · SR 156 Nickajack Dam · Structure no. 580A4800001
- Built
- 1966
- 59 years old
- Condition
- Good
- inspected January 2025
- Type
- Tee Beam
- Concrete
- Length
- 125 ft
- 3 main spans
- Daily traffic
- 150
- 2021 count
- Owner
- Federal
- Tennessee Valley Authority
About this bridge
Access Road over CSX Railroad is a concrete tee beam carrying Access Road over CSX Railroad in Marion County, Tennessee. It was built in 1966, so it is 59 years old, older 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2041. The structure is 125 ft (38.1 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Access Road over CSX Railroad built?
It was built in 1966, making it 59 years old in 2025.
What condition is Access Road over CSX Railroad 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 January 2025.
How much traffic does Access Road over CSX Railroad carry?
About 150 vehicles per day (2021 count), of which roughly 5% are trucks.
How long is Access Road over CSX Railroad?
The structure is 125 ft (38.1 m) long with a longest span of 42 ft (12.8 m) and a deck 30 ft wide.
Who owns Access Road over CSX Railroad?
It is owned by the Tennessee Valley Authority.