Bridge conditions in Boone County, Nebraska
237 inventoried bridges · 7 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Boone County tracks close to typical: 7 of its 237 inventoried bridges (3.0%) are rated poor, against a national rate of about 7%.
- 7 of the 237 bridges in Boone County, Nebraska, are rated in poor condition (3.0%) in the 2025 National Bridge Inventory, as of .
- 157 bridges (66.2%) are rated good and 73 (30.8%) fair.
- The median Boone County bridge was built in 1983.
- The busiest poor-rated bridge is N32 over North Shell Creek (built 1973), carrying about 455 vehicles a day.
Good 66.2% · Fair 30.8% · Poor 3.0% of 237 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 |
|---|---|---|---|
| N32 over North Shell Creek | 1973 | 455 | Poor |
| Fas 2250 over Plum Creek | 1984 | 55 | Poor |
| 345TH St over Cedar River | 1935 | 40 | Poor |
| County Highway over Bogus Creek | 1935 | 35 | Poor |
| County Highway over North Shell Creek | 1915 | 30 | Poor |
| 230TH St over Beaver Creek Trib | 1935 | 25 | Poor |
| County Highway over Stream | 1935 | 10 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| N14 over Beaver Creek | 1993 | 2,905 | Good |
| N14 over Stream | 1937 | 2,905 | Good |
| N14 over Stream | 1989 | 2,905 | Good |
| N14 over Stream | 1943 | 2,280 | Good |
| N39 over Beaver Creek | 1981 | 2,265 | Good |
| N39 over Stream | 1981 | 2,265 | Fair |
| N91 over Beaver Creek | 2004 | 2,135 | Good |
| N91 over Oneill Valley | 2004 | 2,135 | Good |
| N14 over Stream | 1990 | 2,030 | Good |
| N91 over Vorhees Creek | 2000 | 1,895 | 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.