SR71 over Horseshoe Creek Relief
FairGulf County, Florida · 3.5 MI NE of Port ST Joe · Structure no. 510045
- Built
- 1940
- 85 years old
- Condition
- Fair
- inspected August 2023
- Type
- Culvert
- Concrete
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 3,300
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR71 over Horseshoe Creek Relief is a concrete culvert carrying SR71 over Horseshoe Creek Relief in Gulf County, Florida. It was built in 1940, so it is 85 years old, older than the Florida average of 41.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,300 vehicles a day, roughly 13% of them trucks, projected to reach 5,726 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 31.7 mi (51 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR71 over Horseshoe Creek Relief built?
It was built in 1940, making it 85 years old in 2025.
What condition is SR71 over Horseshoe Creek Relief in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2023.
How much traffic does SR71 over Horseshoe Creek Relief carry?
About 3,300 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is SR71 over Horseshoe Creek Relief?
The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3.2 m).
Who owns SR71 over Horseshoe Creek Relief?
It is owned by the State Highway Agency.