RS 1515 (Rd. J) over Trib to Prairie Dog Crk
Norton County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- RS 1515 (Rd. J) over Trib to Prairie Dog Crk in Norton County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1968, making it 57 years old at the 2025 inventory.
- It carries about 70 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 131 of the 243 inventoried bridges in Norton County rated good (53.9%); 5 (2.1%) 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 → (39.87103, -99.94241)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 31 ft |
| Location | 3.0N 2.8W of Norton |
| NBI structure number | 000000000690410 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Norton County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US-36 Hwy over Kyle RR & Local Road | 2004 | 4,414 | Good |
| US36 Hwy over Prairie Dog CR Drg | 2005 | 2,851 | Good |
| US36 Hwy over Robinson Creek | 2004 | 2,851 | Good |
| US36 Hwy over Norton Reservoir Drg | 2004 | 2,598 | Good |
| US 36 Hwy over Prairie Dog Creek | 1988 | 2,109 | Good |
| K-383 Hwy over Wildcat Creek | 1998 | 2,001 | Good |
All bridges nearby: Norton County, KS bridge conditions · every bridge in Norton County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.