Eureka County Bridge Report Card
Eureka County scores 77 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Eureka County, Nevada
Eureka County has 25 bridges in the National Bridge Inventory, with 0 rated poor and 3 rated scour-critical. Its poor-condition share of 0.0% is at or below the 1.0% statewide average.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Eureka County a Bridge Condition Exposure Score of 77/100 (C). The county has 25 bridges in the National Bridge Inventory, including 0 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 0 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 | 0.0% | 0.0 |
| Poor-condition traffic exposure | 25 | 0.0% of measured traffic | 0.0 |
| Scour-critical bridge share | 20 | 12.0% | 20.0 |
| Average age vs national baseline | 10 | 56 years vs 48 nationally | 3.1 |
| Traffic-data completeness | 5 | 58,578 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 | 0.0% |
| State Poor-Condition Share | 1.0% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 12.0% |
| Average Bridge Age | 56 years |
| Poor-Condition Traffic Exposure | 0 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Eureka County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| I 80e over Humboldt River | Scour-critical foundation rating | Fair | 4,125 | 1964 |
| I 80w over Humboldt Rvr | Scour-critical foundation rating | Fair | 4,125 | 1964 |
| SR 781 Palisade Br over Humboldt Rvr | Scour-critical foundation rating | Good | 88 | 1976 |
| I 80e over Palisade Exit 271 | High traffic | Fair | 4,725 | 1967 |
| I 80w over Palisade Exit 271 | High traffic | Fair | 4,725 | 1967 |
| I 80e over Dunphy Exit 254 | High traffic | Fair | 4,300 | 1962 |
| I 80w over Dunphy Exit 254 | High traffic | Fair | 4,300 | 1962 |
| I 80e over Sr306 Gold Acres RD | High traffic | Good | 4,175 | 1964 |
| I 80w over Sr306 Gold Acres RD | High traffic | Fair | 4,175 | 1964 |
| I 80e over Sprr | High traffic | Fair | 4,125 | 1964 |
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.