Chickasaw County Bridge Report Card

Chickasaw County scores 45 out of 100 on BridgeLookup's Bridge Condition Exposure Score, based on FHWA National Bridge Inventory records.

F45 / 100
Local infrastructure snapshot

Chickasaw County, Iowa

Chickasaw County has 304 bridges in the National Bridge Inventory, with 80 rated poor and 10 rated scour-critical. Its poor-condition share of 26.3% is above the 18.6% statewide average. Poor-condition bridges carry about 15,006 daily vehicle crossings.

304Total Bridges
80Poor (26.3%)
98Fair (32.2%)
10Scour-Critical

Quote-Ready Local Facts

26.3%of county bridges are in poor condition, compared with 18.6% statewide and 6.7% nationally.
15,006daily vehicle crossings are on poor-condition bridges in the county.
10bridges are rated scour-critical, or 3.3% of the county bridge inventory.

Copyable Facts for Reporters

BridgeLookup.com gives Chickasaw County a Bridge Condition Exposure Score of 45/100 (F). The county has 304 bridges in the National Bridge Inventory, including 80 in poor condition and 10 rated scour-critical. Poor-condition bridges carry about 15,006 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

FactorWeightCounty ValuePenalty
Poor-condition bridge share4026.3%40.0
Poor-condition traffic exposure2511.2% of measured traffic8.4
Scour-critical bridge share203.3%6.6
Average age vs national baseline1038 years vs 48 nationally0.0
Traffic-data completeness5133,952 measured daily crossings0.0

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 Share26.3%
State Poor-Condition Share18.6%
National Poor-Condition Share6.7%
County Scour-Critical Share3.3%
Average Bridge Age38 years
Poor-Condition Traffic Exposure15,006 vehicles/day

Bridges to Watch

Top Bridges to Watch in Chickasaw County

BridgeReasonConditionDaily TrafficYear Built
FM over Little CedarPoor condition + traffic exposurePoor1961965
FM over Crane CreekPoor condition + traffic exposurePoor1571959
Local over CreekPoor condition + traffic exposurePoor471975
Local over Little Wapsipinicon RvrPoor condition + traffic exposurePoor301952
Local over Plum CreekPoor condition + traffic exposurePoor161948
Local over Spring Branch CreekPoor condition + traffic exposurePoor151981
Local over Small StreamPoor condition + traffic exposurePoor111982
Local over Spring Branch CreekPoor condition + traffic exposurePoor51980
Local RD over Drainage DitchPoor condition + traffic exposurePoor2,6421953
Local RD over Drainage DitchPoor condition + traffic exposurePoor2,3961954

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.