Bison Road over Ladder Creek
Logan County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Bison Road over Ladder Creek in Logan County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2016, making it 9 years old at the 2025 inventory.
- It carries about 10 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 33 of the 55 inventoried bridges in Logan County rated good (60.0%); 2 (3.6%) are rated poor.
- 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 → (38.71165, -100.92854)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 8 | Very good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 31 ft |
| Location | 13.7S 13.5E Russell Spgs. |
| NBI structure number | 000550433104782 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Logan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I70 Hwy WB over UP Railroad | 1965 | 5,600 | Good |
| I70 Hwy EB over UP Railroad | 1965 | 5,600 | Good |
| US83 Hwy over Plum Creek | 1982 | 3,558 | Good |
| US-83 Hwy over Smoky Hill River | 1995 | 3,558 | Good |
| US-83 Hwy over Smoky Hill River Drain | 1996 | 3,558 | Good |
| US-83 Hiway over Hackberry CR N Br | 1998 | 3,520 | Good |
All bridges nearby: Logan County, KS bridge conditions · every bridge in Logan County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.