Bridge conditions in Knox County, Nebraska
329 inventoried bridges · 9 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Knox County tracks close to typical: 9 of its 329 inventoried bridges (2.7%) are rated poor, against a national rate of about 7%.
- 9 of the 329 bridges in Knox County, Nebraska, are rated in poor condition (2.7%) in the 2025 National Bridge Inventory, as of .
- 193 bridges (58.7%) are rated good and 127 (38.6%) fair.
- The median Knox County bridge was built in 1984.
- The busiest poor-rated bridge is IRR/N12 over Bazile Creek (built 1946), carrying about 1,275 vehicles a day.
Good 58.7% · Fair 38.6% · Poor 2.7% of 329 bridges
Bridges rated poor
Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| IRR/N12 over Bazile Creek | 1946 | 1,275 | Poor |
| N12 over Niobrara River | 1978 | 1,035 | Poor |
| N14 over Missouri River | 1996 | 830 | Poor |
| IRR/S54D Santee Sp over Lost Creek | 1970 | 740 | Poor |
| N12 over Ponca Creek | 1961 | 545 | Poor |
| N12 over Stream | 1961 | 545 | Poor |
| Township Road over E Br Verdigris Creek | 1935 | 15 | Poor |
| Township Road over Little Bazile Creek | 1935 | 5 | Poor |
| Township Road over Verdigre Creek Tributary | 1962 | 2 | Poor |
Busiest bridges in the 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 |
| N84 over Little Bazile Creek Trib | 1982 | 1,320 | Fair |
| N84 over Little Bazile Crk Trib | 1940 | 1,320 | Good |
| N84 over West Bow Creek | 1982 | 1,320 | Fair |
| IRR/N12 over Stream | 1946 | 1,275 | Good |
Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.
All of Nebraska: Nebraska bridge conditions by county · every download on the data page.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.