Allen County Bridge Report Card

Allen County scores 83 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

B83 / 100

Local infrastructure snapshot

Allen County, Kentucky

Allen County has 88 bridges in the National Bridge Inventory, with 5 rated poor and 2 rated scour-critical. Its poor-condition share of 5.7% is at or below the 7.5% statewide average. Poor-condition bridges carry about 1,226 daily vehicle crossings.

88Total Bridges

5Poor (5.7%)

68Fair (77.3%)

2Scour-Critical

Quote-Ready Local Facts

5.7%of county bridges are in poor condition, compared with 7.5% statewide and 6.7% nationally.

1,226daily vehicle crossings are on poor-condition bridges in the county.

2bridges are rated scour-critical, or 2.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Allen County a Bridge Condition Exposure Score of 83/100 (B). The county has 88 bridges in the National Bridge Inventory, including 5 in poor condition and 2 rated scour-critical. Poor-condition bridges carry about 1,226 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	5.7%	11.4
Poor-condition traffic exposure	25	1.4% of measured traffic	1.0
Scour-critical bridge share	20	2.3%	4.5
Average age vs national baseline	10	42 years vs 48 nationally	0.0
Traffic-data completeness	5	88,586 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	5.7%
State Poor-Condition Share	7.5%
National Poor-Condition Share	6.7%
County Scour-Critical Share	2.3%
Average Bridge Age	42 years
Poor-Condition Traffic Exposure	1,226 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeKy-3500 over Trammel Creek — 602 vehicles/day Oldest Listed BridgeKy-3500 over Trammel Creek — built in 1930 All County BridgesBrowse every bridge record in Allen County.

Top Bridges to Watch in Allen County

Bridge	Reason	Condition	Daily Traffic	Year Built
Petroleum RD over Little Trammel Creek	Poor condition + traffic exposure	Poor	164	1975
Jefferson School R over Difficult Creek	Poor condition + traffic exposure	Poor	128	1979
Ky-3500 over Trammel Creek	Poor condition + traffic exposure	Poor	602	1930
Ky-482 over Drakes Creek	Poor condition + traffic exposure	Poor	202	1988
Ky-1333 over Long Hungry Creek	Poor condition + traffic exposure	Poor	130	1969
Ky-100 over West Bays Creek	High traffic	Good	9,245	2020
Us-31e over West Bays Fk	High traffic	Fair	7,900	1985
Ky-980 over W Bays Fork Creek	High traffic	Fair	7,604	1960
Us-31e over Trammel Fork Creek	High traffic	Fair	5,792	1986
Us-31e over Bays Fork Creek	High traffic	Fair	5,640	1985

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.