Cr-315 over Mill Creek
Marion County, Florida · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cr-315 over Mill Creek in Marion 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 1979, making it 46 years old at the 2025 inventory.
- It carries about 3,500 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 41 of the 78 inventoried bridges in Marion County rated good (52.6%); 2 (2.6%) are rated poor.
- 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 → (29.39667, -81.9673)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete slab |
| Length | about 82 ft |
| Location | 2.3 mi North of CR-316 |
| NBI structure number | 364056 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in Marion County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 over SR-200 | 1996 | 95,500 | Fair |
| I-75 over SW 20th ST (CR-A225) | 1996 | 90,000 | Fair |
| I-75 over Cr-484 | 1964 | 52,250 | Fair |
| I-75 over Cr-484 | 1964 | 52,250 | Fair |
| I-75 over US-27 | 1964 | 47,750 | Fair |
| I-75 over SR-40 | 1964 | 45,000 | Good |
All bridges nearby: Marion County, FL bridge conditions · every bridge in Marion County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.