Lyon County Bridge Report Card
Lyon County scores 90 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Lyon County, Kentucky
Lyon County has 79 bridges in the National Bridge Inventory, with 3 rated poor and 0 rated scour-critical. Its poor-condition share of 3.8% is at or below the 7.5% statewide average. Poor-condition bridges carry about 909 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Lyon County a Bridge Condition Exposure Score of 90/100 (A). The county has 79 bridges in the National Bridge Inventory, including 3 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 909 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 | 3.8% | 7.6 |
| Poor-condition traffic exposure | 25 | 0.3% of measured traffic | 0.3 |
| Scour-critical bridge share | 20 | 0.0% | 0.0 |
| Average age vs national baseline | 10 | 54 years vs 48 nationally | 2.5 |
| Traffic-data completeness | 5 | 267,669 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 | 3.8% |
| State Poor-Condition Share | 7.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 0.0% |
| Average Bridge Age | 54 years |
| Poor-Condition Traffic Exposure | 909 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Lyon County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Ky-295 over Livingston Creek | Poor condition + traffic exposure | Poor | 693 | 1938 |
| Ky-819 over Panther Creek | Poor condition + traffic exposure | Poor | 136 | 1974 |
| Lbl Road 114 over Pisgah Creek | Poor condition + traffic exposure | Poor | 80 | 1933 |
| I-24 over P&l Railway | High traffic | Fair | 16,469 | 1977 |
| I-24 over P&l Railway | High traffic | Fair | 16,469 | 1977 |
| I-24 Nc over Ky 93 | High traffic | Fair | 16,469 | 1977 |
| I-24 over Ky 93 | High traffic | Fair | 16,469 | 1977 |
| I-24 Nc over US 62 | High traffic | Fair | 14,006 | 1977 |
| I-24 over US 62 | High traffic | Fair | 14,006 | 1977 |
| I-24 Nc over Knob Creek | High traffic | Fair | 14,006 | 1977 |
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.