SR-51 over Kettle Branch
Lafayette County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR-51 over Kettle Branch in Lafayette County, Florida, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1945 and reconstructed in 2002, making it 80 years old at the 2025 inventory.
- It carries about 600 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 12 of the 28 inventoried bridges in Lafayette County rated fair (42.9%); 2 (7.1%) 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 April 2024, 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 → (29.85123, -83.31008)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 30 ft |
| Location | 2 Mi. N. of Dixie Co. |
| NBI structure number | 330015 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 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 Lafayette County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-27 (SR-20) over Suwannee River Relief | 1954 | 5,900 | Good |
| US-27 (SR-20) over Suwannee River | 1989 | 5,900 | Fair |
| SR-51 (hal Adams) over Suwannee River | 1947 | 4,900 | Fair |
| US-27 (SR-20) over Leadbeater Branch | 1950 | 4,711 | Good |
| US-27 (SR-20) over Picket Lake Branch | 1950 | 4,000 | Fair |
| US-27 (SR-20) over Gracie Branch | 1950 | 4,000 | Good |
All bridges nearby: Lafayette County, FL bridge conditions · every bridge in Lafayette County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.