Martin County Bridge Report Card

Martin County scores 59 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F59 / 100

Local infrastructure snapshot

Martin County, Kentucky

Martin County has 70 bridges in the National Bridge Inventory, with 10 rated poor and 2 rated scour-critical. Its poor-condition share of 14.3% is above the 7.5% statewide average. Poor-condition bridges carry about 8,276 daily vehicle crossings.

70Total Bridges

10Poor (14.3%)

38Fair (54.3%)

2Scour-Critical

Quote-Ready Local Facts

14.3%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.

8,276daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 2.9% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Martin County a Bridge Condition Exposure Score of 59/100 (F). The county has 70 bridges in the National Bridge Inventory, including 10 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 8,276 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	14.3%	28.6
Poor-condition traffic exposure	25	9.5% of measured traffic	7.1
Scour-critical bridge share	20	2.9%	5.7
Average age vs national baseline	10	40 years vs 48 nationally	0.0
Traffic-data completeness	5	86,952 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	14.3%
State Poor-Condition Share	7.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	2.9%
Average Bridge Age	40 years
Poor-Condition Traffic Exposure	8,276 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeKy-40 over Rockcastle Creek — 4,804 vehicles/day Oldest Listed BridgeKy-40 over Rockhouse Fork — built in 1927 All County BridgesBrowse every bridge record in Martin County.

Top Bridges to Watch in Martin County

Bridge	Reason	Condition	Daily Traffic	Year Built
Ky-292 over Long Branch	Poor condition + traffic exposure	Poor	935	1958
Ky-3407 over Wolf Creek	Poor condition + traffic exposure	Poor	362	1981
Ky-40 over Rockcastle Creek	Poor condition + traffic exposure	Poor	4,804	1953
Ky-1224 over Rockhouse Fork	Poor condition + traffic exposure	Poor	676	1973
Ky-1714 over Wolf Creek	Poor condition + traffic exposure	Poor	477	1976
Ky-908 over Turkey Creek	Poor condition + traffic exposure	Poor	348	1970
Johnson Bottom over Rockcastle Creek	Poor condition + traffic exposure	Poor	310	1979
Marcumtown RD over Rockcastle Creek	Poor condition + traffic exposure	Poor	164	1989
Mollett Branch over Rockhouse Fork	Poor condition + traffic exposure	Poor	100	1960
Setser Branch over Middle Frk Rockcastle CR	Poor condition + traffic exposure	Poor	100	1980

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.