St. Marys Road over I10 SR8
Washington County, Florida · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- St. Marys Road over I10 SR8 in Washington 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 1973, making it 52 years old at the 2025 inventory.
- It carries about 85 vehicles a day (traffic count year 2015).
- Its listed owner is the state highway agency.
- It is one of 39 of the 99 inventoried bridges in Washington County rated good (39.4%); 8 (8.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated March 2024, on a 24-month routine inspection cycle.
- 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 → (30.76016, -85.79862)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 235 ft |
| Location | 6.7Mi West of SR79 |
| NBI structure number | 610053 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in Washington County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I10 SR8 over SR77 | 1975 | 11,500 | Fair |
| I10 SR8 over SR77 | 1975 | 11,500 | Fair |
| I10 SR8 over Choctawhatchee River | 1973 | 11,000 | Fair |
| I10 SR8 over E Choctaw River Relief | 1973 | 11,000 | Fair |
| EB I-10 SR8 over Choctawhatchee River | 1973 | 11,000 | Fair |
| I10 SR8 over E Choctaw River Relief | 1973 | 11,000 | Fair |
All bridges nearby: Washington County, FL bridge conditions · every bridge in Washington County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.