Nfa 1781 (sa 4311) over Black Branch
GoodHumphreys County, Tennessee · 2 M. NW SR 13. · Structure no. 43017810001
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 55 ft
- 1 main span
- Daily traffic
- 668
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Nfa 1781 (sa 4311) over Black Branch is a prestressed concrete stringer/multi-beam or girder carrying Nfa 1781 (sa 4311) over Black Branch in Humphreys County, Tennessee. It was built in 1992, so it is 33 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 668 vehicles a day, roughly 3% of them trucks, projected to reach 909 by 2042. The structure is 55 ft (16.8 m) long and 24 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Nfa 1781 (sa 4311) over Black Branch built?
It was built in 1992, making it 33 years old in 2025.
What condition is Nfa 1781 (sa 4311) over Black 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 August 2023.
How much traffic does Nfa 1781 (sa 4311) over Black Branch carry?
About 668 vehicles per day (2021 count), of which roughly 3% are trucks.
How long is Nfa 1781 (sa 4311) over Black Branch?
The structure is 55 ft (16.8 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.
Who owns Nfa 1781 (sa 4311) over Black Branch?
It is owned by the County Highway Agency.