County Rd 412 over Branch
Knox County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 412 over Branch in Knox County, Missouri, 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 2001, making it 24 years old at the 2025 inventory.
- It carries about 20 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 99 of the 167 inventoried bridges in Knox County rated fair (59.3%); 9 (5.4%) 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 → (40.21606, -92.25742)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Steel culvert |
| Length | about 21 ft |
| Location | S 5 T 62 N R 12 W |
| NBI structure number | 28750 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Knox County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 6 E over S Fk S Fabius Rvr | 1932 | 3,515 | Fair |
| Mo 6 E over N Fk S Fabius Rvr | 1985 | 2,502 | Fair |
| Mo 6 E over Democrat CR | 1929 | 2,021 | Fair |
| Mo 6 E over Rock CR | 1929 | 2,021 | Fair |
| Mo 15 N over N Fk Fabius Rvr | 2012 | 1,890 | Good |
| Mo 6 E over Troublesome CR | 2002 | 1,592 | Fair |
All bridges nearby: Knox County, MO bridge conditions · every bridge in Knox County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.