SR 570 Polk 18.6 over CR 546 Old Dixie Highway
GoodPolk County, Florida · 6.4MI W of I-4 E Intrchng · Structure no. 160276
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 158 ft
- 2 main spans
- Daily traffic
- 13,200
- 2022 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
SR 570 Polk 18.6 over CR 546 Old Dixie Highway is a prestressed concrete stringer/multi-beam or girder carrying SR 570 Polk 18.6 over CR 546 Old Dixie Highway in Polk 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 13,200 vehicles a day, roughly 15% of them trucks, projected to reach 22,902 by 2044. The structure is 158 ft (48.2 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 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 570 Polk 18.6 over CR 546 Old Dixie Highway built?
It was built in 1999, making it 26 years old in 2025.
What condition is SR 570 Polk 18.6 over CR 546 Old Dixie Highway 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 April 2024.
How much traffic does SR 570 Polk 18.6 over CR 546 Old Dixie Highway carry?
About 13,200 vehicles per day (2022 count), of which roughly 15% are trucks.
How long is SR 570 Polk 18.6 over CR 546 Old Dixie Highway?
The structure is 158 ft (48.2 m) long with a longest span of 79 ft (24.1 m) and a deck 46 ft wide.
Who owns SR 570 Polk 18.6 over CR 546 Old Dixie Highway?
It is owned by the State Toll Authority.