Keysville Road over Mizelle Creek
GoodHillsborough County, Florida · 0.9MI S of Lithiapinecrst · Structure no. 104429
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected December 2023
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 300
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Keysville Road over Mizelle Creek is a prestressed concrete channel beam carrying Keysville Road over Mizelle Creek in Hillsborough County, Florida. It was built in 1971, so it is 54 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 375 by 2042. The structure is 30 ft (9.2 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Keysville Road over Mizelle Creek built?
It was built in 1971, making it 54 years old in 2025.
What condition is Keysville Road over Mizelle 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 Keysville Road over Mizelle Creek carry?
About 300 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Keysville Road over Mizelle Creek?
The structure is 30 ft (9.2 m) long with a longest span of 30 ft (9.2 m) and a deck 32 ft wide.
Who owns Keysville Road over Mizelle Creek?
It is owned by the County Highway Agency.