K9 Hwy over Grasshopper Creek
Atchison County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- K9 Hwy over Grasshopper Creek in Atchison County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2001, making it 24 years old at the 2025 inventory.
- It carries about 412 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 83 of the 197 inventoried bridges in Atchison County rated good (42.1%); 17 (8.6%) 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 June 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (39.5875, -95.53028)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 186 ft |
| Location | 1.81 Mi E Jackson Co Ln |
| NBI structure number | 999900900030531 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Atchison County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US59 Hwy-utah Bv over Brewery Creek | 1939 | 9,351 | Good |
| US-59 Hwy Utah Bv over Mo Riv UP RR Rd | 2012 | 8,382 | Good |
| K7 Hwy-10th St over White Clay Creek | 1970 | 7,712 | Fair |
| US-59 Highway over White Clay Creek | 2001 | 5,711 | Good |
| US-59 Hwy over White Clay Creek | 1955 | 4,853 | Fair |
| US-59 Hwy over White Clay Creek | 1955 | 4,853 | Fair |
All bridges nearby: Atchison County, KS bridge conditions · every bridge in Atchison County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.