Dot Road over Red House Branch
St. Johns County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Dot Road over Red House Branch in St. Johns County, Florida, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1991, making it 34 years old at the 2025 inventory.
- It carries about 301 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 53 of the 141 inventoried bridges in St. Johns County rated fair (37.6%); 2 (1.4%) 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 October 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (29.92939, -81.34178)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Timber slab |
| Length | about 27 ft |
| Location | 0.1MI E of Lewis Speedway |
| NBI structure number | 784051 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in St. Johns 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 |
All bridges nearby: St. Johns County, FL bridge conditions · every bridge in St. Johns County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.