SR20 over Apalachicola Relief
GoodCalhoun County, Florida · 1.0 Mile E. of SR71 · Structure no. 470056
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 375 ft
- 6 main spans
- Daily traffic
- 10,531
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
SR20 over Apalachicola Relief is a prestressed concrete continuous stringer/multi-beam or girder carrying SR20 over Apalachicola Relief in Calhoun County, Florida. It was built in 1997, so it is 28 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 10,531 vehicles a day, roughly 14% of them trucks, projected to reach 18,271 by 2044. The structure is 375 ft (114.3 m) long and 47 ft wide. If it were closed, the detour would be 41 mi (66 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR20 over Apalachicola Relief built?
It was built in 1997, making it 28 years old in 2025.
What condition is SR20 over Apalachicola Relief 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 July 2024.
How much traffic does SR20 over Apalachicola Relief carry?
About 10,531 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is SR20 over Apalachicola Relief?
The structure is 375 ft (114.3 m) long with a longest span of 63 ft (19.1 m) and a deck 47 ft wide.
Who owns SR20 over Apalachicola Relief?
It is owned by the State Highway Agency.