I-75 SB over Alafia River
Fair Condition45 years old157,000 vehicles/day
Location
| State | Florida |
| County | Hillsborough |
| Location | 0.3 Mi N Of Gibsonton DR |
| Carries | I-75 SB |
| Crosses | Alafia River |
| Coordinates | 27.85736, -82.34700 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 1555.1 ft (474 m) |
| Max Span | 90.2 ft (27.5 m) |
| Deck Width | 71.5 ft (21.8 m) |
| Deck Area | 10333.2 sq m |
| Main Spans | 21 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 157,000 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100358 |