Nfa 824 (sa 2301) over Rock Slough
GoodDyer County, Tennessee · 1.5 MI S of SR20 · Structure no. 23F00020003
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected October 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 50 ft
- 3 main spans
- Daily traffic
- 502
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa 824 (sa 2301) over Rock Slough is a concrete continuous culvert carrying Nfa 824 (sa 2301) over Rock Slough in Dyer County, Tennessee. It was built in 1990, so it is 35 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 502 vehicles a day, roughly 3% of them trucks, projected to reach 803 by 2042. The structure is 50 ft (15.2 m) long and 28 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa 824 (sa 2301) over Rock Slough built?
It was built in 1990, making it 35 years old in 2025.
What condition is Nfa 824 (sa 2301) over Rock Slough 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 October 2023.
How much traffic does Nfa 824 (sa 2301) over Rock Slough carry?
About 502 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is Nfa 824 (sa 2301) over Rock Slough?
The structure is 50 ft (15.2 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.
Who owns Nfa 824 (sa 2301) over Rock Slough?
It is owned by the County Highway Agency.