Nfa 1256 (sa 4716) over Childress Branch
Fair Condition75 years old2,311 vehicles/day
Location
| State | Tennessee |
| County | Knox |
| Location | Heiskell Rd-s Of Sr170 |
| Carries | Nfa 1256 (sa 4716) |
| Crosses | Childress Branch |
| Coordinates | 36.06924, -84.04690 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 159.1 ft (48.5 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 26.6 ft (8.1 m) |
| Deck Area | 392.9 sq m |
| Main Spans | 3 |
| Year Built | 1951 |
Traffic
| Avg Daily Traffic | 2,311 (2021) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 47S24100011 |