I-75 SB over US-301/SR-43
GoodHillsborough County, Florida · 2MI South of SR-618 · Structure no. 100485
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 320 ft
- 4 main spans
- Daily traffic
- 78,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-75 SB over US-301/SR-43 is a prestressed concrete stringer/multi-beam or girder carrying I-75 SB over US-301/SR-43 in Hillsborough County, Florida. It was built in 1985, so it is 40 years old, younger than the Florida average of 41.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 78,500 vehicles a day, roughly 9% of them trucks, projected to reach 136,198 by 2042. The structure is 320 ft (97.5 m) long and 72 ft wide. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-75 SB over US-301/SR-43 built?
It was built in 1985, making it 40 years old in 2025.
What condition is I-75 SB over US-301/SR-43 in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.
How much traffic does I-75 SB over US-301/SR-43 carry?
About 78,500 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is I-75 SB over US-301/SR-43?
The structure is 320 ft (97.5 m) long with a longest span of 114 ft (34.6 m) and a deck 72 ft wide.
Who owns I-75 SB over US-301/SR-43?
It is owned by the State Highway Agency.