Iowa County Bridge Report Cards

Compare county Bridge Condition Exposure Scores in Iowa by condition, traffic exposure, scour-critical bridges, average age, and data completeness. View the scoring methodology.

CountyGradeScorePoorPoor TrafficScour-CriticalAvg Age
Lyon CountyF3525.6%15,361/day1751 yrs
Madison CountyF3636.4%15,371/day857 yrs
Ringgold CountyF3640.9%5,012/day1253 yrs
Adams CountyF3945.9%5,308/day657 yrs
Mills CountyF4019.0%4,868/day1849 yrs
Webster CountyF4125.3%62,089/day142 yrs
Marshall CountyF4342.9%48,407/day555 yrs
Taylor CountyF4436.8%4,397/day252 yrs
Benton CountyF4421.7%26,475/day1440 yrs
Montgomery CountyF4424.9%6,749/day952 yrs
Woodbury CountyF4420.9%67,160/day2840 yrs
Chickasaw CountyF4526.3%15,006/day1038 yrs
Davis CountyF4623.9%8,205/day139 yrs
Cherokee CountyF4627.9%11,276/day357 yrs
Page CountyF4629.3%6,676/day748 yrs
Guthrie CountyF4735.7%5,877/day749 yrs
Van Buren CountyF4731.6%2,681/day550 yrs
Wright CountyF4727.4%8,012/day745 yrs
Appanoose CountyF4829.2%5,624/day543 yrs
Monroe CountyF4822.1%2,722/day548 yrs
Boone CountyF4828.4%3,566/day168 yrs
Monona CountyF4925.6%12,459/day051 yrs
Fayette CountyF4926.8%16,385/day152 yrs
Muscatine CountyF4920.8%22,195/day246 yrs
Grundy CountyF4926.7%18,802/day643 yrs
Jasper CountyF4928.3%31,668/day1447 yrs
Hancock CountyF5020.0%7,856/day044 yrs
Pocahontas CountyF5025.3%6,242/day150 yrs
Poweshiek CountyF5039.1%26,253/day250 yrs
Dickinson CountyF5115.7%10,180/day342 yrs
Tama CountyF5131.8%19,783/day147 yrs
Keokuk CountyF5120.2%4,394/day246 yrs
Cass CountyF5135.1%7,848/day1148 yrs
Buena Vista CountyF5234.4%6,734/day146 yrs
Sac CountyF5229.4%7,790/day050 yrs
Lucas CountyF5232.8%4,791/day248 yrs
Winneshiek CountyF5216.7%6,308/day1357 yrs
Howard CountyF5319.3%7,538/day039 yrs
Decatur CountyF5339.2%5,457/day253 yrs
Cedar CountyF5320.0%12,374/day842 yrs
Union CountyF5432.0%4,281/day146 yrs
Hardin CountyF5428.6%10,338/day243 yrs
Calhoun CountyF5424.7%3,576/day054 yrs
Mahaska CountyF5430.3%8,281/day053 yrs
Henry CountyF5420.8%8,910/day244 yrs
Fremont CountyF5421.2%8,570/day249 yrs
Ida CountyF5516.5%10,927/day243 yrs
Emmet CountyF5519.2%2,060/day052 yrs
Audubon CountyF5518.1%1,955/day256 yrs
Plymouth CountyF5520.9%17,647/day450 yrs
Clarke CountyF5532.1%2,833/day348 yrs
Winnebago CountyF5629.6%1,598/day041 yrs
Warren CountyF5620.2%8,496/day343 yrs
Jefferson CountyF5719.9%5,088/day042 yrs
Hamilton CountyF5719.4%4,028/day056 yrs
Harrison CountyF5718.5%2,161/day355 yrs
Lee CountyF5814.0%22,602/day844 yrs
Wayne CountyF5818.8%1,772/day036 yrs
Butler CountyD6012.2%9,745/day1339 yrs
Washington CountyD6015.9%5,753/day745 yrs
Iowa CountyD6018.8%5,414/day245 yrs
Des Moines CountyD6116.2%13,240/day347 yrs
Clayton CountyD6314.8%2,993/day060 yrs
Greene CountyD6414.9%3,678/day151 yrs
Palo Alto CountyD6415.6%815/day250 yrs
Floyd CountyD6514.0%19,067/day140 yrs
Worth CountyD6514.7%3,598/day153 yrs
Kossuth CountyD6615.0%4,073/day037 yrs
Marion CountyD6712.9%10,216/day342 yrs
Story CountyD6713.2%11,780/day456 yrs
Louisa CountyD6814.6%2,848/day145 yrs
Jackson CountyD6814.3%3,706/day239 yrs
Franklin CountyD6812.3%3,269/day743 yrs
Crawford CountyD697.6%5,848/day2041 yrs
Wapello CountyD6913.2%3,397/day438 yrs
Adair CountyD6912.2%1,647/day1042 yrs
Allamakee CountyC7110.7%5,541/day051 yrs
Clay CountyC7210.4%7,798/day142 yrs
Bremer CountyC7212.0%9,301/day235 yrs
Osceola CountyC736.5%3,011/day659 yrs
Scott CountyC7610.0%78,223/day145 yrs
Mitchell CountyC779.6%3,182/day045 yrs
Johnson CountyC799.0%55,023/day146 yrs
Pottawattamie CountyC799.0%30,043/day643 yrs
Humboldt CountyB808.0%192/day057 yrs
Dallas CountyB818.7%11,670/day045 yrs
Shelby CountyB818.7%1,089/day046 yrs
Carroll CountyB826.8%2,088/day449 yrs
Delaware CountyB836.8%10,110/day044 yrs
Dubuque CountyB837.2%6,481/day435 yrs
Linn CountyB846.7%83,573/day138 yrs
Buchanan CountyB856.2%10,444/day040 yrs
Polk CountyB856.2%80,825/day539 yrs
O'Brien CountyB856.1%676/day349 yrs
Black Hawk CountyB865.1%19,145/day741 yrs
Jones CountyB894.8%1,990/day144 yrs
Cerro Gordo CountyB895.2%1,731/day050 yrs
Sioux CountyA933.1%3,279/day044 yrs
Clinton CountyA933.2%5,494/day037 yrs