16th Street over St Joe Bay
Gulf County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 16th Street over St Joe Bay in Gulf County, Florida, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1961, making it 64 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 2023).
- Its listed owner is a city or municipal highway agency.
- It is one of 41 of the 62 inventoried bridges in Gulf County rated fair (66.1%); 8 (12.9%) are rated poor.
- 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 → (29.80333, -85.29294)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 47 ft |
| Location | 0.5 Mi North of US98/SR30 |
| NBI structure number | 510005 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in Gulf County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US98 SR30 over City Street | 1958 | 11,200 | Fair |
| US98 SR30 over Gulf County Canal | 1993 | 10,700 | Fair |
| US98 (SR30) over Ditch | 1953 | 9,000 | Fair |
| US98 SR30 over Chicken House Branch | 2006 | 8,900 | Fair |
| US98 SR30 over Chicken House Branch | 2006 | 8,900 | Good |
| US98 SR30 over St Joe Bay Inlet | 2021 | 8,800 | Good |
All bridges nearby: Gulf County, FL bridge conditions · every bridge in Gulf County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.