Simpson County Bridge Report Card

Simpson County scores 87 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B87 / 100

Local infrastructure snapshot

Simpson County, Kentucky

Simpson County has 51 bridges in the National Bridge Inventory, with 3 rated poor and 0 rated scour-critical. Its poor-condition share of 5.9% is at or below the 7.5% statewide average. Poor-condition bridges carry about 3,645 daily vehicle crossings.

51Total Bridges

3Poor (5.9%)

28Fair (54.9%)

0Scour-Critical

Quote-Ready Local Facts

5.9%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.

3,645daily 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 Simpson County a Bridge Condition Exposure Score of 87/100 (B). The county has 51 bridges in the National Bridge Inventory, including 3 in poor condition and 0 rated scour-critical. Poor-condition bridges carry about 3,645 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	5.9%	11.8
Poor-condition traffic exposure	25	1.0% of measured traffic	0.8
Scour-critical bridge share	20	0.0%	0.0
Average age vs national baseline	10	34 years vs 48 nationally	0.0
Traffic-data completeness	5	348,087 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	5.9%
State Poor-Condition Share	7.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	0.0%
Average Bridge Age	34 years
Poor-Condition Traffic Exposure	3,645 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeKy-100 over Sulphur Fork Creek — 2,537 vehicles/day Oldest Listed BridgeKy-100 over Sulphur Fork Creek — built in 1930 All County BridgesBrowse every bridge record in Simpson County.

Top Bridges to Watch in Simpson County

Bridge	Reason	Condition	Daily Traffic	Year Built
Ky-100 over Sulphur Fork Creek	Poor condition + traffic exposure	Poor	2,537	1930
Ky-585 over Lick Fork Creek	Poor condition + traffic exposure	Poor	995	1978
Pepper Road over Tributary Of Red River	Poor condition + traffic exposure	Poor	113	1960
I-65 over West Fork Drakes Creek	High traffic	Fair	56,578	2007
I-65 over Ky 100	High traffic	Fair	56,578	2008
I-65 over U.s. 31w	High traffic	Fair	52,337	2007
I-65 over Csx Railroad	High traffic	Fair	52,337	2007
I-65 over West Fork Drakes Creek	High traffic	Fair	52,337	2007
US 31w over Sharps Branch	High traffic	Good	12,198	2017
Ky 1008 over Seaboard Railroad	High traffic	Fair	9,683	1969

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.