SR166 Caverns Rd. over Chipola River
Jackson County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR166 Caverns Rd. over Chipola River in Jackson County, Florida, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 9,200 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 102 of the 145 inventoried bridges in Jackson County rated fair (70.3%); 11 (7.6%) 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 September 2023, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (30.79294, -85.22132)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 640 ft |
| Location | 1.4 Mi. N of US90 SR10 |
| NBI structure number | 530170 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2023 |
| 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 Jackson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I10 SR8 over Stream | 1976 | 26,492 | Fair |
| I10 SR8 over Unnamed Creek | 1976 | 26,492 | Fair |
| US90 SR10 over Chipola River | 1943 | 23,500 | Poor |
| SR71 over Bridge Creek | 1999 | 17,200 | Fair |
| I10 SR8 over SR69 | 1976 | 12,250 | Fair |
| I10 SR8 over SR69 | 1976 | 12,250 | Fair |
All bridges nearby: Jackson County, FL bridge conditions · every bridge in Jackson County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.