Nfa A307 over Roan Creek
Fair Condition48 years old70 vehicles/day
Location
| State | Tennessee |
| County | Johnson |
| Location | S Off Us421-se Of Mtn Cty |
| Carries | Nfa A307 |
| Crosses | Roan Creek |
| Coordinates | 36.42862, -81.78030 |
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 | 37.4 ft (11.4 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 18.7 ft (5.7 m) |
| Deck Area | 65.0 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 70 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 460A3070001 |