Nfa C520 over Cold Springs Branch
GoodSullivan County, Tennessee · N Off US11W · Structure no. 820C5600003
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected January 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 24 ft
- 1 main span
- Daily traffic
- 250
- 2020 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa C520 over Cold Springs Branch is a prestressed concrete box beam or girders - multiple carrying Nfa C520 over Cold Springs Branch in Sullivan County, Tennessee. It was built in 1985, so it is 40 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 250 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2042. The structure is 24 ft (7.3 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa C520 over Cold Springs Branch built?
It was built in 1985, making it 40 years old in 2025.
What condition is Nfa C520 over Cold Springs Branch 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 2024.
How much traffic does Nfa C520 over Cold Springs Branch carry?
About 250 vehicles per day (2020 count), of which roughly 2% are trucks.
How long is Nfa C520 over Cold Springs Branch?
The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.5 m) and a deck 32 ft wide.
Who owns Nfa C520 over Cold Springs Branch?
It is owned by the County Highway Agency.