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.

B89 / 100
Local infrastructure snapshot

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.

149Total Bridges
6Poor (4.0%)
103Fair (69.1%)
2Scour-Critical

Quote-Ready Local Facts

4.0%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.
926daily vehicle crossings are on poor-condition bridges in the county.
2bridges are rated scour-critical, or 1.3% of the county bridge inventory.

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.

Download all county report-card scores as CSV.

How the Score Breaks Down

FactorWeightCounty ValuePenalty
Poor-condition bridge share404.0%8.1
Poor-condition traffic exposure250.9% of measured traffic0.6
Scour-critical bridge share201.3%2.7
Average age vs national baseline1043 years vs 48 nationally0.0
Traffic-data completeness5106,892 measured daily crossings0.0

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 Share4.0%
State Poor-Condition Share7.5%
National Poor-Condition Share6.7%
County Scour-Critical Share1.3%
Average Bridge Age43 years
Poor-Condition Traffic Exposure926 vehicles/day

Bridges to Watch

Top Bridges to Watch in Lewis County

BridgeReasonConditionDaily TrafficYear Built
Ky-57 over Sycamore CreekPoor condition + traffic exposurePoor2331948
Ky-559 over Kinniconick CreekPoor condition + traffic exposurePoor1771967
Ky-1068 over Laurel ForkPoor condition + traffic exposurePoor1701958
Ky-1021 over Briery CreekPoor condition + traffic exposurePoor1601969
Ky-1021 over Briery CreekPoor condition + traffic exposurePoor1601975
Cr-1300 over Little SulphurPoor condition + traffic exposurePoor262006
Ky-9 over Swearingen BranchHigh trafficFair5,1631971
Ky-9 over Grannison BranchHigh trafficGood5,1631971
Ky-9 over Blue Spring BranchHigh trafficFair5,1631971
Ky-9 over Ben Willen BranchHigh trafficFair5,1631971

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.