| Madison | Bond |
| Fayette | Effingham |
| Jasper | Crawford |
| St. Clair | Clinton |
| Marion | Clay |
| Richland | Lawrence |
| Monroe | Washington |
| Jefferson | Wayne |
| Edwards | Wabash |
| Randolph | Perry |
| Franklin | Hamilton |
| White | Jackson |
| Williamson | Saline |
| Gallatin | Union |
| Pope | Johnson |
| Hardin | Massac |
| Alexander | Pulaski |
| Marshall | Stark |
| Woodford | Peoria |
| Tazewell | Knox |
| Warren | Henderson |
| McDonough | Hancock |
| Fulton | Mason |
| Menard | Cass |
| Morgan | Scott |
| Schuyler | Brown |
| Adams | Pike |
| Calhoun | Greene |
| Jersey | Macoupin |
| Montgomery |
| Iroquois | Ford |
| McLean | Livingston |
| Logan | DeWitt |
| Piatt | Vermilion |
| Champaign | Sangamon |
| Christian | Macon |
| Shelby | Moultrie |
| Cumberland | Coles |
| Douglas | Clark |
| Edgar |
| LaSalle | Putnam |
| Bureau | Henry |
| Mercer | Rock Island |
| DeKalb | Boone |
| Lee | Ogle |
| Whiteside | Carroll |
| Winnebago | Jo Daviess |
| Stephenson |
| Cook | Dupage |
| Will | Kankakee |
| Grundy | Kendall |
| McHenry | Kane |
| Lake |
Illinois Inventory Listings broken down by region and county:
Calumut River Norfolk Southern Railroad Bridges, Chicago, Illinois
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