Bridge conditions in St. Johns County, Florida
141 inventoried bridges · 2 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
2 of the 141 bridges the federal inventory lists in St. Johns County are rated poor; the rest split 86 good and 53 fair.
- 2 of the 141 bridges in St. Johns County, Florida, are rated in poor condition (1.4%) in the 2025 National Bridge Inventory, as of .
- 86 bridges (61.0%) are rated good and 53 (37.6%) fair.
- The median St. Johns County bridge was built in 1995.
- The busiest poor-rated bridge is US-1 (SR-5) over Oyster Creek (built 1958), carrying about 43,000 vehicles a day.
Good 61.0% · Fair 37.6% · Poor 1.4% of 141 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 |
|---|---|---|---|
| US-1 (SR-5) over Oyster Creek | 1958 | 43,000 | Poor |
| US-1 Bus. & SR-5A over San Sebastian River | 1949 | 16,500 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-95 (SR-9) over Sampson Creek | 1966 | 117,000 | Fair |
| I-95 (SR-9) over 12 Mile Swamp | 1966 | 101,500 | Good |
| I-95 (SR-9) over 12 Mile Swamp | 1966 | 101,500 | Fair |
| I-95 (SR-9) over Canal Creek | 1967 | 101,500 | Fair |
| I-95 (SR-9) over Turnbull Creek | 1966 | 96,500 | Fair |
| I-95 (SR-9) over Trestle Bay Swamp | 1966 | 90,000 | Fair |
| I-95 (SR-9) over Bailey Creek | 1966 | 74,500 | Fair |
| I-95 (SR-9) over Florida Cracker Creek | 1965 | 70,000 | Fair |
| I-95 SB (SR-9) over Durbin Creek | 1966 | 59,000 | Fair |
| I-95 NB (SR-9) over Durbin Creek | 1966 | 59,000 | 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.