Al-257 over Sipsey River
Fair Condition59 years old4,476 vehicles/day
Location
| State | Alabama |
| County | Winston |
| Location | Duncan Bridge |
| Carries | Al-257 |
| Crosses | Sipsey River |
| Coordinates | 34.00085, -87.22234 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Truss - Thru |
| Total Length | 1035.1 ft (315.5 m) |
| Max Span | 360.9 ft (110 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 2997.2 sq m |
| Main Spans | 3 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 4,476 (2020) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 009371 |