US-41 (SR-45) over Hillsborough River
FairHillsborough County, Florida · 1.6MI North of US-92 · Structure no. 100001
- Built
- 1923
- 102 years old, rebuilt 1965
- Condition
- Fair
- inspected March 2023
- Type
- Tee Beam
- Concrete
- Length
- 205 ft
- 4 main spans
- Daily traffic
- 18,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US-41 (SR-45) over Hillsborough River is a concrete tee beam carrying US-41 (SR-45) over Hillsborough River in Hillsborough County, Florida. It was built in 1923 and reconstructed in 1965, so it is 102 years old, older than the Florida average of 41.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 18,500 vehicles a day, roughly 8% of them trucks, projected to reach 32,098 by 2042. The structure is 205 ft (62.5 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US-41 (SR-45) over Hillsborough River built?
It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1965.
What condition is US-41 (SR-45) over Hillsborough River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.
How much traffic does US-41 (SR-45) over Hillsborough River carry?
About 18,500 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is US-41 (SR-45) over Hillsborough River?
The structure is 205 ft (62.5 m) long with a longest span of 43 ft (13.1 m) and a deck 64 ft wide.
Who owns US-41 (SR-45) over Hillsborough River?
It is owned by the State Highway Agency.