I - 459 North over Cahaba River
Fair Condition45 years old99,312 vehicles/day
Location
| State | Alabama |
| County | Jefferson |
| Location | I459 * Cahaba River |
| Carries | I - 459 North |
| Crosses | Cahaba River |
| Coordinates | 33.46654, -86.70918 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 636.2 ft (193.9 m) |
| Max Span | 149.9 ft (45.7 m) |
| Deck Width | 58.7 ft (17.9 m) |
| Deck Area | 3470.8 sq m |
| Main Spans | 4 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 99,312 (2025) |
| Truck Traffic | 14% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 012494 |