N12 over Spring Creek
Keya Paha County, Nebraska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N12 over Spring Creek in Keya Paha County, Nebraska, 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 1979, making it 46 years old at the 2025 inventory.
- It carries about 590 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 11 of the 23 inventoried bridges in Keya Paha County rated good (47.8%); 3 (13.0%) 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 → (42.9264, -99.439)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Steel culvert |
| Length | about 41 ft |
| Location | 8E Burton |
| NBI structure number | S012 07275 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Keya Paha County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US183/N12 over East Holt Creek | 1959 | 720 | Good |
| N12 over Burton Creek | 2018 | 590 | Fair |
| US183 over Holt Creek | 1961 | 555 | Good |
| US183 over Niobrara River | 2001 | 545 | Good |
| N12 over Keya Paha River | 1957 | 400 | Good |
| N12 over Coon Creek | 1949 | 345 | Fair |
All bridges nearby: Keya Paha County, NE bridge conditions · every bridge in Keya Paha County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.