Carson City County Bridge Report Card
Carson City County scores 100 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Carson City County, Nevada
Carson City County has 31 bridges in the National Bridge Inventory, with 0 rated poor and 0 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 Carson City County a Bridge Condition Exposure Score of 100/100 (A). The county has 31 bridges in the National Bridge Inventory, including 0 in poor condition and 0 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 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 23 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 396,640 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 | 0.0% |
| Average Bridge Age | 23 years |
| Poor-Condition Traffic Exposure | 0 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Carson City County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| I 580n over Rmp Carson ST To 580n | High traffic | Good | 22,000 | 2006 |
| I 580s over Rmp Carson ST To 580n | High traffic | Good | 22,000 | 2006 |
| US 395 over Kings Canyon Channel | High traffic | Good | 20,750 | 2009 |
| US 395 over Kings Canyon Channel | High traffic | Good | 20,750 | 2009 |
| I 580n over US 50 | High traffic | Good | 20,500 | 2005 |
| I 580s over US 50 | High traffic | Good | 20,500 | 2005 |
| I 580n over Carmine ST | High traffic | Good | 20,250 | 2006 |
| I 580s over Carmine ST | High traffic | Good | 20,250 | 2006 |
| I 580n over College Pw | High traffic | Good | 19,500 | 2001 |
| I 580s over College Pw | High traffic | Good | 19,500 | 2001 |
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.