Nfa B570 over Mad Branch
Fair Condition58 years old510 vehicles/day
Location
| State | Tennessee |
| County | Sullivan |
| Location | S Of Sr36 In Kingsport |
| Carries | Nfa B570 |
| Crosses | Mad Branch |
| Coordinates | 36.53587, -82.53355 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 8.9 ft (2.7 m) |
| Deck Area | 69.7 sq m |
| Main Spans | 3 |
| Year Built | 1968 |
Traffic
| Avg Daily Traffic | 510 (2020) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 820B5700001 |