I-4 WB (SR-400) over SR-566
GoodHillsborough County, Florida · 1.5 MI West of SR-39 · Structure no. 100601
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 240 ft
- 2 main spans
- Daily traffic
- 68,250
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I-4 WB (SR-400) over SR-566 is a prestressed concrete stringer/multi-beam or girder carrying I-4 WB (SR-400) over SR-566 in Hillsborough County, Florida. It was built in 1999, so it is 26 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 68,250 vehicles a day, roughly 16% of them trucks, projected to reach 118,414 by 2044. The structure is 240 ft (73.2 m) long and 59 ft wide.
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-4 WB (SR-400) over SR-566 built?
It was built in 1999, making it 26 years old in 2025.
What condition is I-4 WB (SR-400) over SR-566 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 2024.
How much traffic does I-4 WB (SR-400) over SR-566 carry?
About 68,250 vehicles per day (2024 count), of which roughly 16% are trucks.
How long is I-4 WB (SR-400) over SR-566?
The structure is 240 ft (73.2 m) long with a longest span of 130 ft (39.6 m) and a deck 59 ft wide.
Who owns I-4 WB (SR-400) over SR-566?
It is owned by the State Highway Agency.