N12 over Ponca Creek
Boyd County, Nebraska · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N12 over Ponca Creek in Boyd County, Nebraska, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 8 (very good condition) on the 0-9 scale.
- It was built in 1955 and reconstructed in 1992, making it 70 years old at the 2025 inventory.
- It carries about 630 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 54 of the 65 inventoried bridges in Boyd County rated good (83.1%); 1 (1.5%) 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 → (42.8258, -98.4732)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 9 | Excellent condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 191 ft |
| Location | Wcl Lynch |
| NBI structure number | S012 13604 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Boyd County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US281/N12 over Crooked Creek | 1958 | 1,370 | Good |
| US281 over Ponca Creek | 1958 | 845 | Fair |
| N12 over Stream | 1992 | 750 | Good |
| N12 over Stream | 1992 | 750 | Good |
| N12 over Stream | 1946 | 750 | Good |
| N12 over Stream | 1935 | 685 | Fair |
All bridges nearby: Boyd County, NE bridge conditions · every bridge in Boyd County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.