SR-31 over Shell Creek
Charlotte County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR-31 over Shell Creek in Charlotte 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 1970, making it 55 years old at the 2025 inventory.
- It carries about 6,000 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 75 of the 211 inventoried bridges in Charlotte County rated fair (35.5%); 1 (0.5%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (culvert 7 to 6).
- Its most recent inspection on record is dated June 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 → (26.96451, -81.76069)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 7 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 36 ft |
| Location | 1.2 Mi. NORTH OF CR-74 |
| NBI structure number | 010015 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 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 Charlotte County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-75 (SR-93) over Peace River | 2003 | 82,000 | Good |
| US-41 (SR-45) over South Murdock Creek | 1970 | 60,000 | Fair |
| US-41 (SR-45) over Sunset Canal | 1969 | 56,000 | Good |
| US-41 (SR-45) over Morning Star Canal | 1994 | 46,000 | Good |
| US-41 (SR-45) over Harbor Square Drainage | 1948 | 45,500 | Good |
| US-41 (SR-45) over Fordham Waterway | 1966 | 45,500 | Fair |
All bridges nearby: Charlotte County, FL bridge conditions · every bridge in Charlotte County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.