Lewis County Bridge Report Card
Lewis County scores 89 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.
Lewis County, Kentucky
Lewis County has 149 bridges in the National Bridge Inventory, with 6 rated poor and 2 rated scour-critical. Its poor-condition share of 4.0% is at or below the 7.5% statewide average. Poor-condition bridges carry about 926 daily vehicle crossings.
Quote-Ready Local Facts
Copyable Facts for Reporters
BridgeLookup.com gives Lewis County a Bridge Condition Exposure Score of 89/100 (B). The county has 149 bridges in the National Bridge Inventory, including 6 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 926 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 | 4.0% | 8.1 |
| Poor-condition traffic exposure | 25 | 0.9% of measured traffic | 0.6 |
| Scour-critical bridge share | 20 | 1.3% | 2.7 |
| Average age vs national baseline | 10 | 43 years vs 48 nationally | 0.0 |
| Traffic-data completeness | 5 | 106,892 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 | 4.0% |
| State Poor-Condition Share | 7.5% |
| National Poor-Condition Share | 6.7% |
| County Scour-Critical Share | 1.3% |
| Average Bridge Age | 43 years |
| Poor-Condition Traffic Exposure | 926 vehicles/day |
Bridges to Watch
Top Bridges to Watch in Lewis County
| Bridge | Reason | Condition | Daily Traffic | Year Built |
|---|---|---|---|---|
| Ky-57 over Sycamore Creek | Poor condition + traffic exposure | Poor | 233 | 1948 |
| Ky-559 over Kinniconick Creek | Poor condition + traffic exposure | Poor | 177 | 1967 |
| Ky-1068 over Laurel Fork | Poor condition + traffic exposure | Poor | 170 | 1958 |
| Ky-1021 over Briery Creek | Poor condition + traffic exposure | Poor | 160 | 1969 |
| Ky-1021 over Briery Creek | Poor condition + traffic exposure | Poor | 160 | 1975 |
| Cr-1300 over Little Sulphur | Poor condition + traffic exposure | Poor | 26 | 2006 |
| Ky-9 over Swearingen Branch | High traffic | Fair | 5,163 | 1971 |
| Ky-9 over Grannison Branch | High traffic | Good | 5,163 | 1971 |
| Ky-9 over Blue Spring Branch | High traffic | Fair | 5,163 | 1971 |
| Ky-9 over Ben Willen Branch | High traffic | Fair | 5,163 | 1971 |
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.