Bridge conditions in Marion County, Florida
78 inventoried bridges · 2 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
The federal inventory lists 78 bridges in Marion County: 41 rated good, 35 fair, and 2 poor.
- 2 of the 78 bridges in Marion County, Florida, are rated in poor condition (2.6%) in the 2025 National Bridge Inventory, as of .
- 41 bridges (52.6%) are rated good and 35 (44.9%) fair.
- The median Marion County bridge was built in 1972.
- The busiest poor-rated bridge is Cr-315 over Daisy Creek (built 1958), carrying about 4,700 vehicles a day.
Good 52.6% · Fair 44.9% · Poor 2.6% of 78 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Cr-315 over Daisy Creek | 1958 | 4,700 | Poor |
| NE 145th Ave Road over Canal | 1940 | 630 | Poor |
Busiest bridges in the 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 |
| I-75 over SR-40 | 1964 | 45,000 | Fair |
| I-75 over US-27 | 1964 | 43,750 | Fair |
| SW 43rd Street Rd. over I-75 | 2012 | 43,500 | Good |
| I-75 over SR-326 | 1964 | 40,250 | Fair |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Florida: Florida bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.