SR20 over Apalachicola Relief
Calhoun County, Florida · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR20 over Apalachicola Relief in Calhoun County, Florida, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1997, making it 28 years old at the 2025 inventory.
- It carries about 10,531 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 11 of the 49 inventoried bridges in Calhoun County rated good (22.4%); 2 (4.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated July 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (30.44317, -85.02854)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 375 ft |
| Location | 1.0 Mile E. of SR71 |
| NBI structure number | 470056 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in Calhoun County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| SR20 over Sutton Creek | 1952 | 11,500 | Fair |
| SR20 over Johnny H Bailey Creek | 1997 | 10,531 | Fair |
| SR20 over Chipola River | 2015 | 6,600 | Good |
| SR 20 over Commander Creek | 1940 | 6,200 | Good |
| SR20 over Hogpen Branch | 1939 | 6,200 | Good |
| SR20 over Juniper Creek | 1955 | 6,000 | Fair |
All bridges nearby: Calhoun County, FL bridge conditions · every bridge in Calhoun County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.