Johnson County Bridge Report Card

Johnson County scores 93 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

A93 / 100

Local infrastructure snapshot

Johnson County, Kentucky

Johnson County has 99 bridges in the National Bridge Inventory, with 3 rated poor and 0 rated scour-critical. Its poor-condition share of 3.0% is at or below the 7.5% statewide average. Poor-condition bridges carry about 1,466 daily vehicle crossings.

99Total Bridges

3Poor (3.0%)

70Fair (70.7%)

0Scour-Critical

Quote-Ready Local Facts

3.0%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.

1,466daily vehicle crossings are on poor-condition bridges in the county.

0bridges are rated scour-critical, or 0.0% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Johnson County a Bridge Condition Exposure Score of 93/100 (A). The county has 99 bridges in the National Bridge Inventory, including 3 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 1,466 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

Factor	Weight	County Value	Penalty
Poor-condition bridge share	40	3.0%	6.1
Poor-condition traffic exposure	25	0.9% of measured traffic	0.7
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	42 years vs 48 nationally	0.0
Traffic-data completeness	5	163,799 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	3.0%
State Poor-Condition Share	7.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	42 years
Poor-Condition Traffic Exposure	1,466 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeKy-825 over Jennys Creek — 1,101 vehicles/day Oldest Listed BridgeKy-172 over Mudlick Creek — built in 1933 All County BridgesBrowse every bridge record in Johnson County.

Top Bridges to Watch in Johnson County

Bridge	Reason	Condition	Daily Traffic	Year Built
Ky-825 over Jennys Creek	Poor condition + traffic exposure	Poor	1,101	1975
Ky-469 over Gillum Branch	Poor condition + traffic exposure	Poor	214	1975
Dry Branch RD over Little Paint Creek	Poor condition + traffic exposure	Poor	151	1975
Ky-321 over Paint Creek	High traffic	Fair	12,825	1987
Us23n Ramp Tous460 over Paint Creek	High traffic	Fair	8,436	1996
Us460 Tous23s Ramp over Paint Creek	High traffic	Fair	8,436	1996
Ky-40 over Mudlick Creek	High traffic	Fair	7,801	1983
Ky-40 over Levisa Fork	High traffic	Fair	7,395	1958
Ky-321 over Ky-1428	High traffic	Fair	5,797	1960
Ky-1428 over Paint Creek	High traffic	Fair	5,341	1961

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.