Nfa A057 over Mack Branch
Fair Condition33 years old140 vehicles/day
Location
| State | Tennessee |
| County | Johnson |
| Location | 1 M NW Of SR 67 |
| Carries | Nfa A057 |
| Crosses | Mack Branch |
| Coordinates | 36.43833, -81.94055 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 26.2 ft (8 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 33.8 ft (10.3 m) |
| Deck Area | 82.4 sq m |
| Main Spans | 2 |
| Year Built | 1993 |
Traffic
| Avg Daily Traffic | 140 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 460A0570001 |