| I- 90 94 Ryan Elev over Canal To Stewart Sts | Cook | 245,500 | 1962 | 574.8 ft |
| I- 94 Bishop Ford over Rr - Ihb & Csxt | Cook | 178,600 | 1949 | 416.7 ft |
| I- 94 Bishop Ford over Greenwood AVE | Cook | 152,900 | 1947 | 313.0 ft |
| I- 94 Bishop Ford over Little Cal River | Cook | 152,900 | 1947 | 270.3 ft |
| Il 53 NB over Kirchoff RD | Cook | 123,700 | 1963 | 198.2 ft |
| Il 53 SB over Kirchoff RD | Cook | 123,700 | 1963 | 198.2 ft |
| Il 53 NB over US 14 NW HWY & Up Rr | Cook | 113,400 | 1964 | 515.4 ft |
| Il 53 NB over Industrial AVE | Cook | 113,400 | 1963 | 155.5 ft |
| Il 53 SB over US 14&uprr Fau3512 | Cook | 113,400 | 1964 | 519.4 ft |
| Il 53 SB over Industrial AVE | Cook | 113,400 | 1963 | 155.5 ft |
| I-55/64; US 40 Psc over Trra | St. Clair | 113,200 | 1966 | 856.0 ft |
| Il 53 NB over Palatine RD | Cook | 105,100 | 1964 | 250.0 ft |
| Il 53 SB over Palatine RD | Cook | 105,100 | 1964 | 201.8 ft |
| Lake Shore Drive over Main Br Chicago Riv | Cook | 102,000 | 1937 | 352.4 ft |
| Lake Shore DR over Wacker Drive | Cook | 102,000 | 1986 | 200.1 ft |
| Lake Shore DR over Belmont Av | Cook | 101,600 | 1941 | 70.2 ft |
| Lsd-ramp 300 over Land | Cook | 95,000 | 1986 | 899.9 ft |
| Lake Shore DR over Irving Park RD | Cook | 94,800 | 1967 | 66.9 ft |
| Lake Shore DR over Lower Lsd & Land | Cook | 94,400 | 1986 | 453.4 ft |
| I-190 WB Jfk over I-294 Tri State Toll | Cook | 92,200 | 1959 | 243.1 ft |
| Il 53 Fap 342 over Anderson DR Ms 3240 | Cook | 89,400 | 1965 | 52.2 ft |
| I- 94 SB Bishop Fo over Little Cal River | Cook | 89,300 | 1949 | 794.9 ft |
| I- 94 NB Bishop Fo over Little Cal River | Cook | 89,300 | 1949 | 794.9 ft |
| Il 53 NB over US 12 (rand Road) | Cook | 83,100 | 1965 | 223.1 ft |
| Ohio ST Jfk Feeder over N Br Chicago River | Cook | 80,400 | 1961 | 361.5 ft |
| Ohio ST Feeder E A over Kingsbury ST | Cook | 80,400 | 1956 | 557.1 ft |
| Ohio ST Feeder W A over Rr - Up Trib Parking | Cook | 80,400 | 1956 | 572.2 ft |
| I-290 Ike(congress over Between Riv & Po | Cook | 76,900 | 1954 | 209.0 ft |
| I-290 Ike Congress over Thru Post Office | Cook | 76,900 | 1954 | 339.9 ft |
| I-294 NB over C&nw Rr | Cook | 75,150 | 1958 | 393.0 ft |
| I- 55 over Joliet RD | Will | 73,200 | 1955 | 210.6 ft |
| I-294 SB over Ill 7 (sw Hwy) | Cook | 71,700 | 1958 | 67.9 ft |
| I-294 NB over Cal Sag Canal | Cook | 71,700 | 1958 | 584.0 ft |
| I-294 NB over 135th ST | Cook | 71,700 | 1958 | 75.1 ft |
| I- 55 WB Stevenson over Rr - Csxt | Cook | 71,000 | 1963 | 224.1 ft |
| I- 55 EB Stevenson over Rr - Csxt | Cook | 71,000 | 1963 | 224.1 ft |
| I- 55 EB Stevenson over Il 50 (cicero Ave) | Cook | 68,750 | 1963 | 206.7 ft |
| I-55/70;/64 over Csxrr Nsrr Trrarr | St. Clair | 66,500 | 1959 | 1615.5 ft |
| Il 53 NB over Il 62 Algonquin RD | Cook | 64,000 | 1962 | 158.8 ft |
| Il 53 SB Fap 342 over Il 62 Fap 339 | Cook | 64,000 | 1962 | 162.1 ft |
| I- 55 EB Stevenson over Rr - Bnsf | Cook | 62,350 | 1964 | 427.5 ft |
| I- 55 WB Stevenson over Rr - Bnsf | Cook | 62,350 | 1964 | 427.5 ft |
| I- 55 WB Stevenson over Santa Fe DR | Cook | 62,350 | 1963 | 257.9 ft |
| I- 55 EB Stevenson over Rr - Bnsf | Cook | 62,350 | 1964 | 255.2 ft |
| I- 55 WB Stevenson over Rr - Bnsf | Cook | 62,350 | 1964 | 255.2 ft |
| I-290 EB (sb) over Rr - Up (south) | Cook | 61,950 | 1958 | 352.0 ft |
| I- 57 SB over Little Cal Riv Broad | Cook | 54,850 | 1967 | 1651.9 ft |
| I- 57 NB over Little Cal Riv Broad | Cook | 54,850 | 1967 | 1651.9 ft |
| Cicero AVE over Sanitary Ship Canal | Cook | 50,400 | 1927 | 313.0 ft |
| US 20 By Pass over Fox River | Kane | 47,200 | 1960 | 660.1 ft |
| US 20 over ST Charles ST | Kane | 47,200 | 1960 | 160.1 ft |
| I- 80 WB over Il 53 | Will | 45,600 | 1967 | 179.5 ft |
| I- 80 EB over Rr & Gardner ST | Will | 45,600 | 1964 | 483.3 ft |
| I- 80 WB over Rr & Gardner ST | Will | 45,600 | 1964 | 477.0 ft |
| Fai 255 over Ill 15 | St. Clair | 44,300 | 1981 | 203.1 ft |
| US 20 over Poplar Creek | Cook | 44,100 | 1959 | 119.1 ft |
| I-74 over US 45(fap 800) | Champaign | 41,900 | 1956 | 186.7 ft |
| I-255 over Nsrr | St. Clair | 41,500 | 1980 | 157.2 ft |
| Fai 255 over Ill 163 | St. Clair | 41,500 | 1980 | 126.6 ft |
| Il 43 (harlem AVE over US 12 20 (95th St) | Cook | 41,100 | 1961 | 196.9 ft |
| Il 171 SB over Joliet Rd&bn Rr Spur | Cook | 40,100 | 1964 | 405.2 ft |
| Lake Cook Road over Slough E. Of Rand RD | Cook | 39,900 | 1981 | 1317.3 ft |
| Il 5 WB (j Deere R over Fai 74 | Rock Island | 38,900 | 1970 | 236.5 ft |
| Harlem AVE NB Ill over San & Ship Canal | Cook | 35,500 | 1931 | 456.4 ft |
| Il 43 (harlem AVE over I- 55 Stevenson | Cook | 35,500 | 1964 | 251.0 ft |
| Il 43 SB Harlem A over San & Ship Canal | Cook | 35,500 | 1966 | 448.8 ft |
| Il 43 (harlem AVE over I-290 & Il 110/cta/rr | Cook | 34,800 | 1957 | 352.0 ft |
| Il 43 (harlem AVE over I- 80 | Cook | 34,200 | 1967 | 260.2 ft |
| I-55/70 & US 40 EB over Drainage Canal | St. Clair | 33,250 | 1960 | 128.0 ft |
| Il 50/83 Cicero A over Cal Sag Channel | Cook | 32,900 | 1938 | 378.9 ft |
| Willow RD over W F N Br Chicago Riv | Cook | 31,700 | 1941 | 53.1 ft |
| I-190 EB Jfk over Des Plaines Riv RD | Cook | 31,550 | 1959 | 179.8 ft |
| I-190 WB Jfk over Des Plaines Riv RD | Cook | 31,550 | 1959 | 175.9 ft |
| I-190 WB Jfk over I- 90 Toll & D P Riv | Cook | 31,550 | 1959 | 818.9 ft |
| Fai 255 over Stolle RD Fau 9208 | St. Clair | 31,400 | 1979 | 121.7 ft |
| Touhy AVE over I- 94 Edens | Cook | 30,000 | 1950 | 284.8 ft |
| US 150 WB over Il 29 | Peoria | 30,000 | 1995 | 199.8 ft |
| EB US 150 over Illinois River & T&p Rr | Tazewell | 30,000 | 1948 | 4692.3 ft |
| WB US 150 over Ill River T&p Rr | Tazewell | 30,000 | 1982 | 4745.1 ft |
| Kirk Road over Union Pacific R.r. | Kane | 29,300 | 1974 | 1376.3 ft |
| SB Ill 6 over Charter Oak Road | Peoria | 28,400 | 1978 | 126.0 ft |
| Roosevelt RD over S Br Chicago River | Cook | 26,800 | 1928 | 262.5 ft |
| Fai 255 Nb/eb over Uprr | Monroe | 25,850 | 1984 | 317.3 ft |
| 127th ST over I- 57 | Cook | 25,600 | 1966 | 219.2 ft |
| Ill 13 EB over Craborchard Lake | Williamson | 25,600 | 1964 | 131.9 ft |
| Rand RD over Des Plaines River | Cook | 25,500 | 1928 | 161.1 ft |
| I-39 SB over Harrison AVE | Winnebago | 25,450 | 1963 | 228.0 ft |
| Il 7 Southwest H over Cal Sag Channel | Cook | 25,400 | 1931 | 346.5 ft |
| I- 80 EB over Dupage River | Will | 25,150 | 1960 | 292.7 ft |
| I- 80 EB over I- 55 | Will | 25,150 | 1960 | 239.2 ft |
| US 6 (159th St) over I- 57 | Cook | 25,100 | 1968 | 246.7 ft |
| Il 38 over Winfield Creek | DuPage | 25,000 | 1982 | 22.6 ft |
| I-55 Busn Loop over Norfolk Southern Railway | McLean | 25,000 | 1940 | 306.1 ft |
| Fai 270 EB over County Ditch | Madison | 24,900 | 1963 | 37.1 ft |
| Fai 270 WB over County Ditch | Madison | 24,900 | 1963 | 37.1 ft |
| Western Av/31st over Sanitary&ship Canal | Cook | 24,800 | 1940 | 294.9 ft |
| Touhy AVE over N Br Chicago River | Cook | 24,400 | 1925 | 66.6 ft |
| Il 7 over S&s Canal/des Plns R | Will | 24,400 | 1971 | 3172.9 ft |
| Il 7 over Rr - Ej&e | Will | 24,400 | 1990 | 156.5 ft |
| Il 171 (1st Ave) over I-290 Ike - Il 110 Ckc | Cook | 24,300 | 1951 | 209.6 ft |
| Lemont RD over Des P Riv Canal Rr | Cook | 24,300 | 1983 | 3352.0 ft |
| Michigan AVE over Main Br Chicago Riv | Cook | 24,300 | 1920 | 367.5 ft |
| Michigan AVE over Various City Streets | Cook | 24,300 | 1921 | 902.9 ft |
| US 14 over Flint Creek Trib | Lake | 24,300 | 1937 | 25.9 ft |
| I- 80 WB over Midland AVE | Will | 23,850 | 1963 | 138.8 ft |
| I- 80 EB over Center ST SB | Will | 23,850 | 1965 | 131.9 ft |
| I- 80 WB over Center ST SB | Will | 23,850 | 1965 | 128.3 ft |
| Ill 13 EB over Craborchard Lake | Williamson | 23,500 | 1964 | 123.0 ft |
| 130th ST over Little Calumet River | Cook | 23,400 | 1949 | 377.0 ft |
| Fau-1292 (e Lake A over N Br Chicago River | Cook | 22,900 | 1935 | 83.0 ft |
| Old Orchard RD over I- 94 Edens | Cook | 22,900 | 1950 | 227.4 ft |
| County Farm RD over W Branch Du Page Riv | DuPage | 22,800 | 1929 | 70.9 ft |
| I- 80 EB over Ds Plns Riv & Us-6 | Will | 22,650 | 1965 | 2362.5 ft |
| I- 80 WB over Ds Plns Riv & Us-6 | Will | 22,650 | 1965 | 2299.9 ft |
| East Lake AVE Ext over W F N Br Chi Riv | Cook | 22,400 | 1961 | 54.8 ft |
| Kedzie AVE over Sanitary&ship Canal | Cook | 22,000 | 1909 | 354.3 ft |
| Il 53 over Des Plaines River | Will | 21,300 | 1935 | 396.0 ft |
| I-39 NB over Harrison AVE | Winnebago | 21,150 | 1963 | 228.0 ft |
| US 6 (159th St) over I- 94 Bishop Ford | Cook | 21,100 | 1947 | 230.3 ft |
| NB Ill 6 over Hoerrs Pond | Peoria | 21,100 | 1981 | 105.0 ft |
| SB Ill 6 over Hoerrs Pond | Peoria | 21,100 | 1981 | 105.0 ft |
| Ill 47 over Armstrong & B & O Rr | Grundy | 21,000 | 1978 | 396.0 ft |
| Ill 47 over Buchanan ST | Grundy | 21,000 | 1978 | 122.0 ft |
| US 36(fap 320) over Lake Shore Dr(u 7390 | Macon | 20,900 | 1954 | 40.4 ft |
| Kedzie Avenue over Prairie Creek | Cook | 20,700 | 1979 | 42.0 ft |
| US 150 & Ill 116 over Il River Tributary | Tazewell | 20,400 | 1964 | 23.0 ft |
| I-255 SB over 162 Abandon Uprr 2 Trail | Madison | 20,250 | 1987 | 357.6 ft |
| Fai 255 NB over Horseshoe Lake Road | Madison | 20,150 | 1987 | 532.2 ft |
| Fai 255 SB over Horseshoe Lake Road | Madison | 20,150 | 1987 | 532.2 ft |
| I-255 NB over 162 Abandon Uprr 2 Trail | Madison | 20,150 | 1987 | 357.0 ft |
| Chicago AVE over N Br Chicago River | Cook | 19,900 | 1914 | 295.9 ft |
| Chicago Av & Halst over Uprr And Parking Lot | Cook | 19,900 | 1968 | 990.2 ft |
| 103rd ST over Norfolk Southern Rr | Cook | 19,800 | 1938 | 1031.5 ft |
| I- 80 EB over Joliet Jnct Ped/bike | Will | 19,350 | 1964 | 165.0 ft |
| I- 80 WB over Joliet Jnct Ped/bike | Will | 19,350 | 1964 | 165.0 ft |
| Foster AVE over I- 90 Jfk & Cta | Cook | 19,300 | 1958 | 386.8 ft |
| Il 1 (halsted ST over Cal Union Ditch | Cook | 19,200 | 1984 | 25.9 ft |
| Warrenville RD over E.branch Du Page Rv | DuPage | 19,200 | 1946 | 55.4 ft |
| EB US 24 over Ill 116 | Tazewell | 19,200 | 1962 | 247.0 ft |
| Foster AVE over N Br Chi Riv Center | Cook | 19,100 | 1933 | 101.7 ft |
| Foster AVE over N Br Chi Riv East | Cook | 19,100 | 1933 | 101.7 ft |
| 127th ST over Cal Sag Channel | Cook | 19,100 | 1968 | 610.2 ft |
| Fap-821 (ill-15) over Fai-57 | Jefferson | 18,800 | 1968 | 330.1 ft |
| US 150 over Uprr 175626n-mp73.04 | Peoria | 18,700 | 1988 | 169.0 ft |
| Cortland ST over N Br Chicago Riv | Cook | 18,600 | 1902 | 222.1 ft |
| N Lasalle ST over Main Br Chicago Rv | Cook | 18,600 | 1928 | 326.4 ft |
| Lasalle St. over Parking Area | Cook | 18,600 | 1928 | 351.0 ft |
| 130th ST over Rr - Csss & Ihb | Cook | 18,500 | 1953 | 310.4 ft |
| 130th ST over I- 94 Bishop Ford | Cook | 18,500 | 1991 | 286.4 ft |
| Lake AVE over I- 94 Edens | Cook | 18,300 | 1950 | 226.7 ft |
| Il 40 over Il 6 | Peoria | 18,300 | 1982 | 252.0 ft |
| Quentin RD over Br Of Salt Creek | Cook | 18,200 | 1927 | 24.0 ft |
| I 57 NB over Dodds Creek | Jefferson | 18,100 | 1965 | 120.1 ft |
| I 57 SB over Dodds Creek | Jefferson | 18,100 | 1965 | 120.1 ft |
| Euclid AVE over Il 53 | Cook | 18,000 | 1963 | 248.0 ft |
| Fap 64 WB Adams S over Bnsf & Abandoned Up Rr | Peoria | 18,000 | 1936 | 767.1 ft |
| Fap 64 EB Adams over Bnsf & Abandoned Up Rr | Peoria | 18,000 | 1980 | 767.1 ft |
| Belmont AVE over N Br Chgo Rvr | Cook | 17,800 | 1976 | 292.0 ft |
| Geneva Road over W.branch Du Page Rv. | DuPage | 17,600 | 1941 | 72.5 ft |
| Joe Orr RD over Thorn Creek | Cook | 17,500 | 1958 | 46.3 ft |
| Il 171 & 79 ST EB over US 12 20 45 Mannheim | Cook | 17,300 | 1959 | 179.8 ft |
| Vollmer RD over I- 57 | Cook | 17,200 | 1967 | 261.2 ft |
| Il 111/3-homer Ada over Rogers Av & Bloomer | Madison | 17,200 | 1958 | 373.0 ft |
| SB Ill 116 over Spring Creek | Tazewell | 17,200 | 1965 | 32.2 ft |
| NB Ill 116 over Spring Creek | Tazewell | 17,200 | 1928 | 33.1 ft |
| Grand AVE over N Br Chicago River | Cook | 17,100 | 1913 | 267.7 ft |
| US 6 over I & M Canal | Will | 17,100 | 1940 | 128.9 ft |
| 25th AVE over I-290 Ike - Il 110 Ckc | Cook | 17,000 | 1951 | 229.7 ft |
| Devon AVE over Salt Creek | Cook | 17,000 | 1932 | 81.0 ft |
| Kimball-st over Fox River | Kane | 16,900 | 1917 | 446.9 ft |
| Crawford AVE over Midlothian CR | Cook | 16,800 | 1979 | 29.9 ft |
| Il-13 EB over Big Muddy River | Jackson | 16,600 | 2014 | 465.2 ft |
| Franklin-orleans S over Main Br Chicago Riv | Cook | 16,550 | 1920 | 361.5 ft |
| I-72 / US 36 over Miss R/bnrr/nsrr/st | Pike | 16,500 | 1999 | 4490.2 ft |
| 171st ST over Midlothian Creek | Cook | 16,400 | 1951 | 22.6 ft |
| Washington ST over Rr - Up | Lake | 16,400 | 1961 | 169.9 ft |
| I-74 over Big Hollow Creek | Peoria | 16,250 | 1965 | 23.0 ft |
| Fau-2585 Meacham R over West Branch Of Salt Cree | Cook | 15,900 | 1985 | 42.3 ft |
| S. California AVE over Sanitary&ship Canal | Cook | 15,900 | 1926 | 323.8 ft |
| Il 31 over US 20 By Pass | Kane | 15,800 | 1959 | 71.9 ft |
| 80th AVE over I- 80 | Will | 15,700 | 1967 | 223.1 ft |
| 80th Av over Union Drainage Ditch | Will | 15,700 | 1900 | 36.1 ft |
| I-55 (nb) over Il 104 / I & M Rr | Sangamon | 15,550 | 1972 | 280.8 ft |
| I-55 (sb) over Il 104 / I & M Rr | Sangamon | 15,550 | 1972 | 280.8 ft |
| 39th ST (pershing) over Racine AVE & Rr | Cook | 15,500 | 1936 | 652.2 ft |
| Ill 6 over Stream | Peoria | 15,500 | 1982 | 21.0 ft |
| I-64 EB over Nsrr | St. Clair | 15,500 | 1971 | 169.6 ft |
| I-64 WB over Nsrr | St. Clair | 15,500 | 1971 | 167.7 ft |
| York Road over I-88 E-w Toll Ramp | DuPage | 15,400 | 1958 | 238.8 ft |
| US 150 over Ill 6 | Peoria | 15,250 | 1981 | 276.2 ft |
| Independence BLVD over I-290 - Il 110 & Cta | Cook | 15,200 | 1953 | 205.1 ft |
| Kedzie AVE over Cal Sag Channel | Cook | 14,700 | 1966 | 348.4 ft |
| Kedzie AVE over Rr - Csxt & Wireton | Cook | 14,700 | 1972 | 1560.4 ft |
| I-55 (nb) over Sangamon River | Sangamon | 14,600 | 1963 | 1125.0 ft |
| I-55 SB over Sangamon River | Sangamon | 14,600 | 1963 | 1125.0 ft |
| I-55 (nb) over Bl 55 & Up Rr | Sangamon | 14,600 | 1962 | 361.2 ft |
| Ogden AVE over I-290 - Il 110 & Cta | Cook | 14,500 | 1953 | 487.5 ft |
| Torrence AVE over Calumet River | Cook | 14,500 | 1938 | 497.0 ft |
| Fai-57 SB over Ill 17 | Kankakee | 14,450 | 1955 | 166.0 ft |
| NB Ill 29 over Dickison Run Creek | Peoria | 14,400 | 1958 | 204.1 ft |