Custer County Bridge Report Card
Custer County scores 74 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Custer County, Nebraska
Custer County has 301 bridges in the National Bridge Inventory, with 24 rated poor and 8 rated scour-critical. Its poor-condition share of 8.0% is above the 7.5% statewide average. Poor-condition bridges carry about 4,180 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Custer County a Bridge Condition Exposure Score of 74/100 (C). The county has 301 bridges in the National Bridge Inventory, including 24 in poor condition and 8 rated scour-critical. Poor-condition bridges carry about 4,180 daily vehicle crossings. Poor condition does not mean unsafe; bridges judged unsafe are closed or restricted by transportation agencies.
How the Score Breaks Down
| Factor | Weight | County Value | Penalty |
|---|---|---|---|
| Poor-condition bridge share | 40 | 8.0% | 15.9 |
| Poor-condition traffic exposure | 25 | 3.2% of measured traffic | 2.4 |
| Scour-critical bridge share | 20 | 2.7% | 5.3 |
| Average age vs national baseline | 10 | 54 years vs 48 nationally | 2.5 |
| Traffic-data completeness | 5 | 128,760 measured daily crossings | 0.0 |
Score = 100 minus weighted penalties. The score is a comparative research signal, not an official safety rating. Read the full methodology.
County Comparisons
| County Poor-Condition Share | 8.0% |
| State Poor-Condition Share | 7.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 2.7% |
| Average Bridge Age | 54 years |
| Poor-Condition Traffic Exposure | 4,180 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Custer County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| N2/n92 over Mud Creek Tributary | Poor condition + traffic exposure | Poor | 3,605 | 1935 |
| County Highway over Mud Creek | Poor condition + traffic exposure | Poor | 10 | 1940 |
| Township Road over South Loup River | Poor condition + traffic exposure | Poor | 5 | 1920 |
| 462nd RD over Middle Lou River | Poor condition + traffic exposure | Poor | 115 | 1953 |
| Fas 1875 over Stream | Poor condition + traffic exposure | Poor | 80 | 1934 |
| County Highway over Stream | Poor condition + traffic exposure | Poor | 70 | 1930 |
| Dawson Street over Mud Creek | Poor condition + traffic exposure | Poor | 50 | 1912 |
| Township Road over Clear Creek | Poor condition + traffic exposure | Poor | 35 | 1930 |
| Township Road over Mud Creek | Poor condition + traffic exposure | Poor | 25 | 1911 |
| Township Road over Clear Creek | Poor condition + traffic exposure | Poor | 25 | 1935 |
Important safety note
Poor condition does not mean a bridge is unsafe. It means at least one major component has significant deterioration and the bridge is a priority for maintenance, repair, or replacement. Bridges judged unsafe are closed or restricted by transportation agencies.