SR-597 Dale Mabry over SR-580 and CSX RR
GoodHillsborough County, Florida · 2.8MI North of US-92 · Structure no. 100112
- Built
- 1956
- 69 years old, rebuilt 1987
- Condition
- Good
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 259 ft
- 5 main spans
- Daily traffic
- 32,500
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR-597 Dale Mabry over SR-580 and CSX RR is a prestressed concrete stringer/multi-beam or girder carrying SR-597 Dale Mabry over SR-580 and CSX RR in Hillsborough County, Florida. It was built in 1956 and reconstructed in 1987, so it is 69 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 32,500 vehicles a day, roughly 7% of them trucks, projected to reach 56,388 by 2044. The structure is 259 ft (79 m) long and 67 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR-597 Dale Mabry over SR-580 and CSX RR built?
It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1987.
What condition is SR-597 Dale Mabry over SR-580 and CSX RR 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 June 2023.
How much traffic does SR-597 Dale Mabry over SR-580 and CSX RR carry?
About 32,500 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is SR-597 Dale Mabry over SR-580 and CSX RR?
The structure is 259 ft (79 m) long with a longest span of 56 ft (17.1 m) and a deck 67 ft wide.
Who owns SR-597 Dale Mabry over SR-580 and CSX RR?
It is owned by the State Highway Agency.