I-275 NB over Sinkhole
FairHillsborough County, Florida · 0.6MI N of SR-582 · Structure no. 100234
- Built
- 1966
- 59 years old, rebuilt 2002
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 77 ft
- 1 main span
- Daily traffic
- 62,000
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-275 NB over Sinkhole is a prestressed concrete stringer/multi-beam or girder carrying I-275 NB over Sinkhole in Hillsborough County, Florida. It was built in 1966 and reconstructed in 2002, so it is 59 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 62,000 vehicles a day, roughly 6% of them trucks, projected to reach 107,570 by 2044. The structure is 77 ft (23.4 m) long and 57 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-275 NB over Sinkhole built?
It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2002.
What condition is I-275 NB over Sinkhole 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 May 2024.
How much traffic does I-275 NB over Sinkhole carry?
About 62,000 vehicles per day (2024 count), of which roughly 6% are trucks.
How long is I-275 NB over Sinkhole?
The structure is 77 ft (23.4 m) long with a longest span of 77 ft (23.4 m) and a deck 57 ft wide.
Who owns I-275 NB over Sinkhole?
It is owned by the State Highway Agency.