Kanza Rd. over Antelope Creek
Marion County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Kanza Rd. over Antelope Creek in Marion County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2002, making it 23 years old at the 2025 inventory.
- It carries about 470 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 125 of the 323 inventoried bridges in Marion County rated good (38.7%); 35 (10.8%) 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 → (38.30003, -97.16925)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 142 ft |
| Location | 3.3S 2.0E of Hillsboro |
| NBI structure number | 000000000570790 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Marion County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-50 Hwy over Spring Creek | 1994 | 5,402 | Good |
| US-50 Hwy over Doyle Creek Drainage | 1994 | 5,097 | Good |
| US-50 Hwy over Doyle Creek Drainage | 1998 | 5,097 | Good |
| US-50 Hwy over Doyle Creek Drainage | 1998 | 5,097 | Good |
| US-50 Hwy over Doyle Creek Drainage | 1998 | 5,097 | Good |
| US-50 Hwy over Union Pacific RR. | 1994 | 4,812 | Good |
All bridges nearby: Marion County, KS bridge conditions · every bridge in Marion County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.