I-75 (SR-93) over Tiger Branch
Columbia County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-75 (SR-93) over Tiger Branch in Columbia 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 1962 and reconstructed in 1998, making it 63 years old at the 2025 inventory.
- It carries about 41,500 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 53 of the 112 inventoried bridges in Columbia County rated fair (47.3%); 1 (0.9%) 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 March 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 → (30.305, -82.79389)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 31 ft |
| Location | 0.1 Mi.s.of Suwannee Co. |
| NBI structure number | 290940 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 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 Columbia County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 SR-93 over Rose Creek | 1962 | 55,000 | Good |
| I-75 (SR-93) over Clay Hole Creek | 1962 | 55,000 | Fair |
| I-75 (SR-93) over Buzzard Creek | 1962 | 55,000 | Fair |
| I-75 SB (SR-93) over Santa Fe River | 1963 | 29,000 | Fair |
| I-75 NB (SR-93) over Santa Fe River | 1963 | 29,000 | Fair |
| I-75 SB SR-93 over US-41 & US-441 SR-25 | 1963 | 27,500 | Good |
All bridges nearby: Columbia County, FL bridge conditions · every bridge in Columbia County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.