SR-37 over South Prong Alafia River
GoodPolk County, Florida · 1.7MI N of CR-630 · Structure no. 160227
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 143 ft
- 3 main spans
- Daily traffic
- 7,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR-37 over South Prong Alafia River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR-37 over South Prong Alafia River in Polk County, Florida. It was built in 1998, so it is 27 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 7,300 vehicles a day, roughly 27% of them trucks, projected to reach 12,666 by 2044. The structure is 143 ft (43.6 m) long and 47 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR-37 over South Prong Alafia River built?
It was built in 1998, making it 27 years old in 2025.
What condition is SR-37 over South Prong Alafia River 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 May 2023.
How much traffic does SR-37 over South Prong Alafia River carry?
About 7,300 vehicles per day (2022 count), of which roughly 27% are trucks.
How long is SR-37 over South Prong Alafia River?
The structure is 143 ft (43.6 m) long with a longest span of 48 ft (14.6 m) and a deck 47 ft wide.
Who owns SR-37 over South Prong Alafia River?
It is owned by the State Highway Agency.