Illinois County Bridge Report Cards

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

CountyGradeScorePoorPoor TrafficScour-CriticalAvg Age
Lawrence CountyF3222.7%92,265/day249 yrs
Fulton CountyF4521.1%24,455/day048 yrs
Peoria CountyF4617.9%377,760/day242 yrs
Grundy CountyF4928.4%86,325/day241 yrs
Cass CountyF5017.1%10,525/day039 yrs
McHenry CountyF5221.1%69,925/day442 yrs
Bond CountyF5411.1%90,875/day054 yrs
Hancock CountyF5421.7%12,190/day147 yrs
Macoupin CountyF5516.7%16,565/day059 yrs
Iroquois CountyF5614.6%85,945/day246 yrs
Tazewell CountyF5614.8%285,485/day150 yrs
Mercer CountyF5714.1%6,360/day443 yrs
Cook CountyF5914.3%6,589,000/day456 yrs
Christian CountyF5917.2%8,400/day156 yrs
Macon CountyD6115.6%87,405/day041 yrs
Brown CountyD6314.1%900/day151 yrs
Henderson CountyD6412.7%14,650/day141 yrs
LaSalle CountyD6514.2%82,555/day247 yrs
Bureau CountyD6516.0%20,040/day047 yrs
Henry CountyD6612.8%79,685/day047 yrs
Carroll CountyD6614.4%6,200/day147 yrs
Clay CountyD6814.4%4,435/day043 yrs
Cumberland CountyD697.1%65,725/day046 yrs
Knox CountyD6910.5%53,835/day043 yrs
DeKalb CountyD6912.6%47,485/day044 yrs
Warren CountyC707.5%38,520/day041 yrs
Pulaski CountyC719.3%18,195/day044 yrs
Woodford CountyC719.8%38,100/day140 yrs
Will CountyC729.9%692,910/day142 yrs
Kankakee CountyC729.9%82,925/day043 yrs
Jo Daviess CountyC7210.9%9,150/day052 yrs
Marshall CountyC7212.3%5,150/day141 yrs
St. Clair CountyC739.3%538,925/day248 yrs
Boone CountyC7310.1%17,500/day239 yrs
Monroe CountyC748.3%33,850/day239 yrs
Whiteside CountyC748.3%8,245/day1248 yrs
Gallatin CountyC757.3%5,495/day040 yrs
Jefferson CountyC758.1%104,295/day042 yrs
Pike CountyC7510.2%24,920/day046 yrs
Menard CountyC7511.2%2,250/day046 yrs
Kendall CountyC7511.5%12,100/day036 yrs
Marion CountyC767.5%45,560/day152 yrs
Lake CountyC769.6%78,685/day349 yrs
Lee CountyC7611.3%9,380/day145 yrs
Randolph CountyC776.7%16,350/day144 yrs
Putnam CountyC776.0%6,100/day141 yrs
Alexander CountyC778.6%9,750/day044 yrs
Ford CountyC787.9%13,185/day042 yrs
Champaign CountyC788.1%132,485/day043 yrs
Livingston CountyC787.9%25,510/day547 yrs
Madison CountyC788.8%224,575/day046 yrs
Moultrie CountyC789.3%6,000/day040 yrs
Schuyler CountyC7810.4%550/day044 yrs
Greene CountyC796.8%7,985/day045 yrs
Perry CountyC797.4%9,365/day044 yrs
Logan CountyC799.2%9,405/day050 yrs
Washington CountyB806.0%39,570/day151 yrs
Jackson CountyB817.0%36,935/day037 yrs
Hardin CountyB816.6%1,635/day050 yrs
Coles CountyB817.0%37,350/day043 yrs
Scott CountyB817.1%8,000/day042 yrs
White CountyB816.6%14,355/day139 yrs
Kane CountyB817.1%206,525/day240 yrs
Piatt CountyB815.7%14,225/day446 yrs
Winnebago CountyB816.9%170,200/day348 yrs
Adams CountyB826.0%26,575/day149 yrs
Stark CountyB825.4%2,400/day143 yrs
Morgan CountyB827.3%12,870/day142 yrs
Shelby CountyB827.8%4,295/day047 yrs
Wayne CountyB827.9%4,145/day142 yrs
Ogle CountyB827.4%10,300/day444 yrs
Massac CountyB838.3%2,110/day045 yrs
Sangamon CountyB846.0%91,635/day045 yrs
Vermilion CountyB846.3%29,790/day146 yrs
DuPage CountyB847.5%179,025/day040 yrs
Edwards CountyB847.6%425/day044 yrs
Union CountyB853.7%24,950/day144 yrs
Clark CountyB853.9%37,225/day147 yrs
Pope CountyB854.6%2,800/day042 yrs
Jersey CountyB855.3%5,900/day045 yrs
Effingham CountyB854.7%37,370/day051 yrs
Clinton CountyB856.8%7,150/day049 yrs
McDonough CountyB866.2%4,120/day044 yrs
Crawford CountyB865.6%3,320/day142 yrs
Jasper CountyB874.4%4,725/day043 yrs
Fayette CountyB874.5%27,770/day149 yrs
Rock Island CountyB874.8%79,325/day043 yrs
Williamson CountyB883.5%58,775/day040 yrs
Edgar CountyB884.0%4,375/day148 yrs
Calhoun CountyB884.9%1,300/day042 yrs
De Witt CountyB885.7%4,325/day046 yrs
Saline CountyB894.3%10,235/day040 yrs
Wabash CountyB895.6%310/day042 yrs
McLean CountyA922.6%60,275/day244 yrs
Montgomery CountyA923.8%1,875/day048 yrs
Richland CountyA924.0%280/day046 yrs
Hamilton CountyA932.4%3,400/day035 yrs
Franklin CountyA932.9%12,425/day042 yrs
Stephenson CountyA933.2%4,450/day048 yrs
Mason CountyA933.5%100/day045 yrs
Johnson CountyA952.5%454/day047 yrs
Douglas CountyA961.7%4,500/day043 yrs