50 Road over White Rock Creek
Smith County, Kansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 50 Road over White Rock Creek in Smith 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 2009, making it 16 years old at the 2025 inventory.
- It carries about 15 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 90 of the 281 inventoried bridges in Smith County rated good (32.0%); 32 (11.4%) 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 → (39.94413, -98.60318)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 31 ft |
| Location | 3.5N 3.0E of Cora |
| NBI structure number | 000920685603080 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Smith County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US36 Hwy over Middle Beaver Creek Drg | 1952 | 2,171 | Good |
| US36 Hwy over East Beaver Creek Drg | 1952 | 2,171 | Fair |
| US-36 Hwy over Middle Beaver Creek | 1994 | 2,171 | Good |
| US-36 Hwy over East Beaver Creek | 1994 | 2,171 | Good |
| US36 Hwy over Cedar Creek Drainage | 1963 | 2,031 | Good |
| US36 Hwy over Cedar Creek | 1963 | 2,031 | Good |
All bridges nearby: Smith County, KS bridge conditions · every bridge in Smith County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.