285 St (sharp Rd) over Rock CR Drain Dtch
Atchison County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 285 St (sharp Rd) over Rock CR Drain Dtch in Atchison County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1950 and reconstructed in 2015, making it 75 years old at the 2025 inventory.
- It carries about 5 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 14 of the 190 inventoried bridges in Atchison County rated poor (7.4%); 14 (7.4%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (40.31585, -95.56885)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 5 | Fair condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 105 ft |
| Location | S 31 T 64 N R 41 W |
| NBI structure number | 23632 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Atchison County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 29 S over Patton Br | 1969 | 17,114 | Fair |
| Is 29 S over Rose Br | 1969 | 17,114 | Fair |
| Is 29 S over Drain Dtch | 1969 | 17,114 | Fair |
| Is 29 S over Turkey CR | 1973 | 16,980 | Fair |
| Is 29 S over Angel Br | 1973 | 16,980 | Fair |
| Is 29 S over Mapes Br | 1969 | 15,391 | Fair |
All bridges nearby: Atchison County, MO bridge conditions · every bridge in Atchison County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.