Cherokee County Bridge Report Card

Cherokee County scores 46 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F46 / 100

Local infrastructure snapshot

Cherokee County, Iowa

Cherokee County has 244 bridges in the National Bridge Inventory, with 68 rated poor and 3 rated scour-critical. Its poor-condition share of 27.9% is above the 18.6% statewide average. Poor-condition bridges carry about 11,276 daily vehicle crossings.

244Total Bridges

68Poor (27.9%)

90Fair (36.9%)

3Scour-Critical

Quote-Ready Local Facts

27.9%of county bridges are in poor condition, compared with 18.6% statewide and 6.7% nationally.

11,276daily vehicle crossings are on poor-condition bridges in the county.

3bridges are rated scour-critical, or 1.2% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Cherokee County a Bridge Condition Exposure Score of 46/100 (F). The county has 244 bridges in the National Bridge Inventory, including 68 in poor condition and 3 rated scour-critical. Poor-condition bridges carry about 11,276 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	27.9%	40.0
Poor-condition traffic exposure	25	10.7% of measured traffic	8.0
Scour-critical bridge share	20	1.2%	2.5
Average age vs national baseline	10	57 years vs 48 nationally	3.6
Traffic-data completeness	5	105,231 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	27.9%
State Poor-Condition Share	18.6%
National Poor-Condition Share	6.7%
County Scour-Critical Share	1.2%
Average Bridge Age	57 years
Poor-Condition Traffic Exposure	11,276 vehicles/day

Bridges to Watch

Busiest Poor-Condition BridgeW Bluff ST over Railroad Creek — 3,529 vehicles/day Oldest Listed BridgeE. Maple ST over Railroad Creek — built in 1900 All County BridgesBrowse every bridge record in Cherokee County.

Top Bridges to Watch in Cherokee County

Bridge	Reason	Condition	Daily Traffic	Year Built
Local 470th ST over Creek	Poor condition + traffic exposure	Poor	40	1924
Local- 630th ST over Maple River	Poor condition + traffic exposure	Poor	26	1900
Local 460th ST over Sioux River	Poor condition + traffic exposure	Poor	11	1931
W Bluff ST over Railroad Creek	Poor condition + traffic exposure	Poor	3,529	1961
Fm-530th ST over W Fork Little Sioux	Poor condition + traffic exposure	Poor	898	1968
Main ST over Aurelia Creek	Poor condition + traffic exposure	Poor	841	1939
Union ST over Railroad Creek	Poor condition + traffic exposure	Poor	803	1900
Euclid AVE over Railroad Creek	Poor condition + traffic exposure	Poor	699	1900
FM J AVE over Bear Creek	Poor condition + traffic exposure	Poor	538	1940
E. Maple ST over Railroad Creek	Poor condition + traffic exposure	Poor	472	1900

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.