Bridge conditions in Frontier County, Nebraska
95 inventoried bridges · 17 rated poor · 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
Of the 95 Frontier County bridges in the federal inventory, 17 carry a poor rating. That 17.9% share is roughly 3x the national average.
- 17 of the 95 bridges in Frontier County, Nebraska, are rated in poor condition (17.9%) in the 2025 National Bridge Inventory, as of .
- 57 bridges (60.0%) are rated good and 21 (22.1%) fair.
- The median Frontier County bridge was built in 1980.
- The busiest poor-rated bridge is US83 over Brushy Creek (built 1955), carrying about 1,745 vehicles a day.
Good 60.0% · Fair 22.1% · Poor 17.9% of 95 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 |
|---|---|---|---|
| US83 over Brushy Creek | 1955 | 1,745 | Poor |
| Fas 1653 over Deer Creek | 1972 | 50 | Poor |
| Coll 7290 over Deer Creek | 1972 | 45 | Poor |
| Fork Rd over East Muddy Creek | 1935 | 40 | Poor |
| County Highway over Lime Creek | 1905 | 30 | Poor |
| County Highway over East Muddy Creek | 1915 | 30 | Poor |
| County Highway over Curtis Creek | 1935 | 25 | Poor |
| County Highway over East Muddy Creek | 1915 | 20 | Poor |
| Road 399 over Walnut Creek | 1981 | 15 | Poor |
| County Highway over Plum Creek | 1935 | 15 | Poor |
| County Highway over Mitchell Creek | 1905 | 15 | Poor |
| Road 419 over Elder Creek | 1935 | 10 | Poor |
| County Highway over Mitchell Creek | 1935 | 10 | Poor |
| County Highway over Deer Creek | 1935 | 10 | Poor |
| County Highway over Plum Creek | 1935 | 10 | Poor |
| County Highway over Plum Creek | 1935 | 10 | Poor |
| Rd 748 over Plum Creek | 1935 | 5 | Poor |
Busiest bridges in the county
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US83 over Frazier Creek | 1957 | 1,745 | Fair |
| US83 over Brushy Creek | 1955 | 1,745 | Poor |
| N23 over Medicine Creek | 1950 | 1,535 | Good |
| N23 over Wells Canyon | 1948 | 1,535 | Good |
| N23 over Stream | 1959 | 1,060 | Good |
| N23 over Fox Creek | 2013 | 955 | Good |
| N23 over Stream | 1933 | 955 | Good |
| N23 over Curtis Creek | 1948 | 955 | Good |
| N23 over Dry Creek | 2001 | 955 | Fair |
| N23 over North Plum Creek | 1934 | 795 | Fair |
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.