Nfa 1781 (sa 4311) over Black Branch
Fair Condition44 years old668 vehicles/day
Location
| State | Tennessee |
| County | Humphreys |
| Location | 2 M. NW SR 13. |
| Carries | Nfa 1781 (sa 4311) |
| Crosses | Black Branch |
| Coordinates | 36.22315, -87.76395 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 46.9 ft (14.3 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Width | 28.2 ft (8.6 m) |
| Deck Area | 123.0 sq m |
| Main Spans | 2 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 668 (2021) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 43017810003 |