County Rd 4280 over Trib of Howell CR
Howell County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- County Rd 4280 over Trib of Howell CR in Howell County, Missouri, 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 1975, making it 50 years old at the 2025 inventory.
- It carries about 30 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 118 of the 190 inventoried bridges in Howell County rated fair (62.1%); 3 (1.6%) 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 → (36.7655, -91.9107)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 22 ft |
| Location | S 12 T 24 N R 9 W |
| NBI structure number | 25004 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Howell County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 63 S over Galloway CR | 1921 | 19,085 | Fair |
| US 63 S over S Br Howell CR | 1962 | 14,748 | Fair |
| US 63 S over N Br of Howell CR | 1995 | 13,770 | Good |
| US 63 S over Howell CR | 1962 | 13,770 | Fair |
| US 60 E over Dry Br | 1965 | 13,284 | Fair |
| US 63 S over Bu 63 | 1995 | 12,584 | Fair |
All bridges nearby: Howell County, MO bridge conditions · every bridge in Howell County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.