Thonotasassa Rd. over Mill Creek
GoodHillsborough County, Florida · 0.8 MI North of I-4 · Structure no. 104452
- Built
- 1983
- 42 years old
- Condition
- Good
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 60 ft
- 1 main span
- Daily traffic
- 6,900
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Thonotasassa Rd. over Mill Creek is a prestressed concrete stringer/multi-beam or girder carrying Thonotasassa Rd. over Mill Creek in Hillsborough County, Florida. It was built in 1983, so it is 42 years old, older 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 6,900 vehicles a day, roughly 5% of them trucks, projected to reach 8,625 by 2042. The structure is 60 ft (18.3 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Thonotasassa Rd. over Mill Creek built?
It was built in 1983, making it 42 years old in 2025.
What condition is Thonotasassa Rd. over Mill Creek 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 December 2023.
How much traffic does Thonotasassa Rd. over Mill Creek carry?
About 6,900 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Thonotasassa Rd. over Mill Creek?
The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.
Who owns Thonotasassa Rd. over Mill Creek?
It is owned by the County Highway Agency.