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Bridge conditions in Cherokee County, Iowa

244 inventoried bridges · 68 rated poor · 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled

Cherokee County has 68 bridges rated poor out of 244 inventoried, a 27.9% share that puts it well above the national rate of about 7%.

Good 35.2% · Fair 36.9% · Poor 27.9% of 244 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

BridgeBuiltVehicles/dayCondition
W Bluff St over Railroad Creek19613,529Poor
Fm-530th St over W Fork Little Sioux1968898Poor
Main St over Aurelia Creek1939841Poor
Union St over Railroad Creek1900803Poor
Euclid Ave over Railroad Creek1900699Poor
FM J Ave over Bear Creek1940538Poor
E. Maple St over Railroad Creek1900472Poor
Fm- Y Ave over Little Maple River1971439Poor
Fm-l Ave. over Small Creek1900429Poor
E. Willow St over Railroad Creek1900377Poor
M21 W Ave over Branch Maple River1970369Poor
FM 450TH St over Grey Creek1970319Poor
Fm-h Ave. over Willow Creek1924199Poor
Local-keeln Rd. over Badger Creek1917170Poor
Fm-480th St. over Little Sioux River196560Poor
Local-g Ave. over Small Creek192450Poor
FM 570TH St over Gere Creek195150Poor
FM 590TH St. over Rock Creek197045Poor
Local 470TH St over Grey Creek192045Poor
Local 460TH St over Bear Creek191645Poor
Local F Ave over Four Mile Creek192445Poor
Local-490th St over Maple River190040Poor
Local 470TH St over Creek192440Poor
Local-v Ave. over Maple River195734Poor
Local-520th St. over Fiddle Creek192434Poor
Local- F Ave over Small Creek191930Poor
590TH St over Maple River191930Poor
Local- 630TH St over Maple River190026Poor
Local 540TH St. over Perry Creek198226Poor
Local-v Ave. over Small Creek191726Poor
Local-520th St over Willow CR197326Poor
Fm-f Ave. over W Fork Little Sioux Rvr192426Poor
Local 440TH St over Creek192326Poor
Local- 600TH St over Rock Creek190020Poor
Local-630th St over N Pierson Creek192020Poor
M25 Y Ave over Pitcher Creek192120Poor
Local M Ave. over Br Perry Creek192820Poor
Local 560TH St. over Rock Creek194620Poor
Local 540TH St over West Fork Little Sioux192520Poor
Local 560TH St over Fiddle Creek191520Poor
Local B Ave. over Fiddle Creek191520Poor
Local-500th St over Br Maple River191920Poor
Local 430TH St over Creek193620Poor
Local G Ave over Four Mile Creek197620Poor
Local- U Ave over Pitcher CR192615Poor
Local-u Ave over Overflow Channel192515Poor
Local- S Ave over Creek191615Poor
Local- 630TH St over Willow Creek191715Poor
Local 580TH St over Small Creek190015Poor
Lcl Sleep H. Rd over Creek197115Poor
Local 460TH St over Grey Creek192715Poor
Local L Ave over Mill Creek191715Poor
Local 440TH St over Creek190015Poor
Local- 600TH St over Maple River192111Poor
Local 570TH St over Maple River191811Poor
Local W Ave. over Pitcher Creek192311Poor
Local 570TH St. over Perry Creek194811Poor
Local 540TH St over Small Creek191911Poor
Local B Ave. over West Fork Little Sioux191611Poor
440TH St over Creek193111Poor
Lcl Mrt.acc.rd over Stream191711Poor
Local 460TH St over Sioux River193111Poor
570TH St over Pitcher 153190011Poor
U Ave over Maple Creek19765Poor
FM 590TH St. over Pitcher Creek19245Poor
Local 580TH St. over Rock Creek19175Poor
LOCAL580TH St over Fiddle Creek19175Poor
510TH St over West Fork Little Sioux19175Poor

Busiest bridges in the county

BridgeBuiltVehicles/dayCondition
US 59 over Railroad Creek19737,200Fair
US 59 over Westcott Pk Loop19724,510Fair
US 59 over Little Sioux River19734,510Fair
W Bluff St over Railroad Creek19613,529Poor
Ia 3 over Fork Little Sioux River19793,410Fair
Ia 3 over Maple River19853,270Fair
Ia 3 over Little Sioux River19603,230Fair
US 59 over Coonley Creek19722,900Fair
US 59 over Cn RR19722,900Fair
Main Street over Railroad Creek19492,279Fair

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Iowa: Iowa bridge conditions by county · every download on the data page.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.