CR 177A over Mill Branch
Holmes County, Florida · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- CR 177A over Mill Branch in Holmes 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 1955, making it 70 years old at the 2025 inventory.
- It carries about 750 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 77 of the 156 inventoried bridges in Holmes County rated fair (49.4%); 29 (18.6%) 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 → (30.8639, -85.77151)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 22 ft |
| Location | 6.0 Mi North of US90/SR10 |
| NBI structure number | 520069 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Florida department of transportation.
Busiest bridges in Holmes County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I10 SR8 over SR79 | 1974 | 11,500 | Fair |
| I10 SR8 over SR79 | 1974 | 11,500 | Fair |
| I10 SR8 over Camp Branch | 1974 | 11,500 | Fair |
| I10 SR8 over Camp Branch | 1974 | 11,500 | Fair |
| I10 SR8 over Holmes Creek | 1974 | 11,500 | Fair |
| I10 SR8 over Holmes Creek | 1974 | 11,500 | Fair |
All bridges nearby: Holmes County, FL bridge conditions · every bridge in Holmes County · Florida bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.