K99 Hwy over Mound Branch Drainage
Elk County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- K99 Hwy over Mound Branch Drainage in Elk County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1931, making it 94 years old at the 2025 inventory.
- It carries about 1,508 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 87 of the 155 inventoried bridges in Elk County rated fair (56.1%); 11 (7.1%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (37.41639, -96.27083)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 28 ft |
| Location | 3.17 Mi N Ejct US160 |
| NBI structure number | 999909900250171 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Elk County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US160 K99 Hwy over N Fork Wildcat Creek | 1980 | 1,590 | Good |
| K99 Hwy over Elk River | 1935 | 1,508 | Good |
| K99 Hwy over Mound Branch Creek | 2005 | 1,508 | Good |
| K99 Hwy over Paw Paw Creek | 2005 | 1,406 | Good |
| US-160 Hwy over Wildcat Creek Drainage | 1993 | 882 | Good |
| US-160 Hwy over Wildcat Creek | 1993 | 800 | Good |
All bridges nearby: Elk County, KS bridge conditions · every bridge in Elk County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.