N121 over N Fk Elkhorn River
Knox County, Nebraska · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- N121 over N Fk Elkhorn River in Knox County, Nebraska, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1987, making it 38 years old at the 2025 inventory.
- It carries about 660 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 127 of the 329 inventoried bridges in Knox County rated fair (38.6%); 9 (2.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated October 2024, on a 48-month routine inspection cycle.
- 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 → (42.453, -97.544)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 90 ft |
| Location | 3S Wausa |
| NBI structure number | S121 04559 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Nebraska department of transportation.
Busiest bridges in Knox County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| N59 over Bazile Creek | 1986 | 2,390 | Good |
| N84 over Little Bazile Creek | 1959 | 2,050 | Fair |
| N59 over Stream | 1940 | 1,640 | Fair |
| IRR/N12 over Stream | 1946 | 1,605 | Good |
| N12 over Stream | 1951 | 1,545 | Good |
| N84 over Stream | 1982 | 1,320 | Good |
All bridges nearby: Knox County, NE bridge conditions · every bridge in Knox County · Nebraska bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.