| Il 43 SB Harlem A over San & Ship Canal | 1966 | 35,500 | Poor |
| I- 90 94 SB Toi-55 over Archer BNSF & Ic RR | 1964 | 35,100 | Fair |
| I- 90 94 SB to I55 over Chi Riv &canal P-ave | 1962 | 35,100 | Fair |
| Il 1 (halsted St over I- 80 294 Tri State | 1958 | 35,000 | Fair |
| Il 1 (halsted St over Abandoned RR | 2013 | 34,900 | Good |
| Il 43 (harlem Ave over Cal Sag Channel | 1964 | 34,900 | Fair |
| Il 58 (dempster S over I- 94 Edens | 1950 | 34,900 | Fair |
| Il 58 (dempster S over N Br Chicago River | 1966 | 34,900 | Fair |
| Il 43 (harlem Ave over I-290 & Il 110/CTA/RR | 1957 | 34,800 | Poor |
| Il 64 (north Ave) over Addison Creek | 1999 | 34,800 | Fair |
| Lake Cook Rd over I 94 | 1958 | 34,600 | Fair |
| I- 55 EB Rmp US41 over Mccormick Parking | 2017 | 34,300 | Good |
| Lake-cook Road over Des Plaines River | 1994 | 34,300 | Fair |
| Il 43 (harlem Ave over Hickory Creek Trib | 1967 | 34,200 | Fair |
| Il 43 (harlem Ave over I- 80 | 1967 | 34,200 | Poor |
| Il 83 (sibley Blv over RR - UP | 1936 | 34,200 | Fair |
| Central Ave. over Icg RR & Ground | 1964 | 34,100 | Fair |
| US 30 (lincoln Hwy over Butterfield Creek | 1984 | 34,100 | Fair |
| Lake Cook Rd over Il 21 (milwaukee) | 1995 | 33,900 | Fair |
| I-94 (EB) over E Fork Chicago River | 2019 | 33,850 | Good |
| I-94 (EB) over Metra & Can Pac RR | 2019 | 33,850 | Good |
| I-94 (EB) over Skokie Highway | 2020 | 33,850 | Good |
| I-94 (EB) over W Fk N Br Chicago Rv | 2019 | 33,850 | Good |
| I-94 (WB) over E. Frk. Chicago Rvr. | 2019 | 33,850 | Good |
| I-94 (WB) over Metra & CP Railroad | 2019 | 33,850 | Good |
| I-94 (WB) over Skokie Highway | 2020 | 33,850 | Fair |
| I-94 (WB) over W Fork N Br Chi Rvr | 2019 | 33,850 | Good |
| I-94 Edens Spur EB over Union Pacific RR | 2020 | 33,850 | Good |
| I-94 Edens Spur WB over Union Pacific RR | 2020 | 33,850 | Good |
| I-94 NB Spur Ramp over US 41 Edens Express | 2020 | 33,850 | Good |
| Palatine Rd over Des Plaines River | 1965 | 33,800 | Fair |
| Palatine Rd over Il 21 US 45 Milwke | 2005 | 33,800 | Fair |
| US 30 (lincoln Hwy over I- 57 | 1966 | 33,800 | Fair |
| US 45 NB (la Grang over Cal Sag Channel | 1967 | 33,800 | Fair |
| US 45 SB (la Grang over Cal Sag Channel | 1967 | 33,800 | Fair |
| 127TH St over I-294 | 1958 | 33,700 | Fair |
| Golf Rd over E Fk N Br Chi River | 1928 | 33,400 | Fair |
| Golf Rd over W Fk N Br Chi River | 1928 | 33,400 | Fair |
| Il 62 68 Dundee R over RR - Ej&e | 1997 | 33,400 | Good |
| I- 55 EB Stevenson over Halsted St | 1964 | 33,000 | Fair |
| Il 50/83 Cicero A over Cal Sag Channel | 1938 | 32,900 | Poor |
| I- 80 EB over Kedzie Ave | 1966 | 32,800 | Fair |
| I- 80 WB over Kedzie Ave | 1966 | 32,800 | Fair |
| Il 58 over Salt Creek | 1928 | 32,800 | Good |
| Il 50 (cicero Ave over I-290 - Il 110 & Cta | 1954 | 32,700 | Fair |
| Palatine Rd over Mcdonald Creek | 2010 | 32,700 | Good |
| Chinatown Ramp NB over I- 55 Stevenson | 1965 | 32,600 | Fair |
| Chinatown Ramp SB over I- 55 Stevenson | 1965 | 32,600 | Fair |
| Il 83 (kingery Hw over RR - Cn | 1959 | 32,400 | Fair |
| Il 83 (kingery Hw over S & S and I&m Canals | 1934 | 32,400 | Fair |
| Barrington Rd over I- 90 Adams Tollway | 2015 | 32,300 | Good |
| I- 55 EB to I-94 N over Archer Ave & Quarry | 1999 | 32,300 | Fair |
| I- 55 EB to I-94 N over Halsted St | 1997 | 32,300 | Good |
| I- 55 EB to I-94 N over Throop St | 1999 | 32,300 | Fair |
| I- 55 EB to I90 94 over Chi River; Cermak;rr | 1962 | 32,300 | Fair |
| I- 55 EB to Ryan N over I- 55 Stevenson | 1964 | 32,300 | Fair |
| I- 57 NB over I- 80 EB | 1964 | 32,200 | Fair |
| I- 57 SB over I- 80 EB | 1964 | 32,200 | Fair |
| I- 57 SB over I- 80 WB | 1964 | 32,200 | Fair |
| I-290 EB to I90 94 over I- 90 94 | 2019 | 32,200 | Good |
| I-80 WB over I 294 | 1966 | 32,200 | Fair |
| Palatine Rd over Il 83 (elmhurst Rd) | 2005 | 32,200 | Fair |
| I- 57 NB over Abandoned RR | 1966 | 32,050 | Fair |
| I- 57 NB over RR - Ej&e | 1966 | 32,050 | Fair |
| I- 57 SB over Abandoned RR | 1966 | 32,050 | Fair |
| I- 57 SB over RR - Ej&e | 1966 | 32,050 | Fair |
| MS-6001 Depart Ram over MS-6001 T3 Arr Exit | 1989 | 31,800 | Fair |
| MS-6001 Up Lv Term over MS-6001 Lw Lv Term | 1960 | 31,800 | Fair |
| MS-6001 Up Lv Term over MS-6001 Lw Lv Term | 1960 | 31,800 | Fair |
| MS-6001 Up Lv Term over MS-6001 Lw Lv Term | 1960 | 31,800 | Fair |
| Main Trmnal 1 2 3 over Airport Access Rd | 1986 | 31,800 | Fair |
| Willow Rd over RR - Metra | 1942 | 31,700 | Fair |
| Willow Rd over W F N Br Chicago Riv | 1941 | 31,700 | Poor |
| I-190 EB Jfk over Des Plaines Riv Rd | 1959 | 31,550 | Poor |
| I-190 EB Jfk over Des Plaines River | 1959 | 31,550 | Fair |
| I-190 WB Jfk over Des Plaines Riv Rd | 1959 | 31,550 | Poor |
| I-190 WB Jfk over I- 90 Toll & D P Riv | 1959 | 31,550 | Poor |
| Il 72 & UP RR over Higgins Creek | 1931 | 31,500 | Fair |
| Il 43 (harlem Ave over Tinley Creek | 1925 | 31,400 | Fair |
| Il 59 (sutton Rd) over I- 90 Adams Toll | 1991 | 31,400 | Fair |
| Lake Cook Rd over N Br Chicago Riv | 1976 | 31,400 | Fair |
| US 34 (ogden Ave) over I-294 Tri State Toll | 1958 | 31,100 | Fair |
| Pulaski Rd NB over RR - Brc | 1944 | 31,000 | Fair |
| Pulaski Rd SB over RR - Brc | 1988 | 31,000 | Fair |
| Roselle Rd. over I-90 | 2016 | 31,000 | Good |
| Il 394 NB over RR - Ej&e and NS | 1955 | 30,700 | Fair |
| Il 394 SB over RR - Wi Central Ltd | 1955 | 30,700 | Fair |
| US 6 (159TH St) over Cal Union Ditch | 1953 | 30,700 | Fair |
| US 45/il21 over Ditch | 1993 | 30,200 | Good |
| US 41 (lincoln Ave over N Shore Channel | 1935 | 30,100 | Good |
| Lake Cook Rd over US 41 Edens | 1950 | 30,000 | Fair |
| Touhy Ave over I- 94 Edens | 1950 | 30,000 | Poor |
| Barrington Rd over E Branch Poplar Ck | 1985 | 29,900 | Fair |
| Lake Cook Rd over I-294 NB | 2008 | 29,800 | Good |
| US 12 20 (95TH St) over Drainage Ditch | 1945 | 29,800 | Fair |
| Elmhurst NB over I- 90 Adams Tollway | 2015 | 29,700 | Good |
| Elmhurst SB over I- 90 Adams Tollway | 2015 | 29,700 | Good |
| Il 58 Evanston-el over Wellers Creek | 1928 | 29,700 | Fair |
| Il 72 (lee St) over I- 90 Adams Tollway | 2014 | 29,700 | Good |
| Il 72 (lee St) over Willow Creek | 1940 | 29,700 | Fair |
| Lake Cook Rd over W.c.rr.(soo Line) | 1979 | 29,700 | Fair |
| US 6 (159TH St) over I-294 Tri-state Toll | 2018 | 29,700 | Good |
| Il 43 (harlem Ave over Drainage Dtch | 1959 | 29,400 | Fair |
| Lake Cook Rd over Buffalo CR | 1978 | 29,400 | Fair |
| Il 83 (sibley Blv over I- 94 Bishop Ford | 1948 | 29,200 | Fair |
| Touhy Ave over N Shore Channel | 1930 | 29,200 | Fair |
| Irving Park Road over N. Br. Chicago River | 2020 | 29,000 | Good |
| US 45 (lagrange Rd over Crooked Creek | 2004 | 29,000 | Good |
| Il 390 EB Eoh over Il 19 (irving Pk) | 1992 | 28,900 | Fair |
| Il 390 EB Eoh over Springingsguth Rd | 1992 | 28,900 | Fair |
| Il 390 WB Eoh over Il 19 (irving Pk) | 1992 | 28,900 | Fair |
| Il 390 WB Eoh over Springingsguth Rd | 1992 | 28,900 | Fair |
| I-90 Skyway over 71ST St | 1958 | 28,700 | Fair |
| I-90 Skyway over 73RD St | 1958 | 28,700 | Fair |
| I-90 Skyway over 75TH St & Grnwood Av | 1958 | 28,700 | Fair |
| I-90 Skyway over 76TH St Ni Pl & Icrr | 1958 | 28,700 | Fair |
| I-90 Skyway over 79TH St | 1958 | 28,700 | Fair |
| I-90 Skyway over 85TH St | 1958 | 28,700 | Fair |
| I-90 Skyway over 92ND St | 1958 | 28,700 | Fair |
| I-90 Skyway over 95TH ST(US12 & 20) | 1958 | 28,700 | Fair |
| I-90 Skyway over 96TH St & Brc RR | 1958 | 28,700 | Fair |
| I-90 Skyway over Avalon St | 1958 | 28,700 | Fair |
| I-90 Skyway over Ave "m" | 1958 | 28,700 | Fair |
| I-90 Skyway over Calumet River | 1958 | 28,700 | Fair |
| I-90 Skyway over Chgo.short Line RR | 1958 | 28,700 | Fair |
| I-90 Skyway over City Storage Area | 1958 | 28,700 | Fair |
| I-90 Skyway over Commercial Ave | 1958 | 28,700 | Fair |
| I-90 Skyway over Conrail RR | 1958 | 28,700 | Fair |
| I-90 Skyway over Cottage Grove Ave | 1958 | 28,700 | Fair |
| I-90 Skyway over Dante Ave | 1958 | 28,700 | Fair |
| I-90 Skyway over East End Ave | 1958 | 28,700 | Fair |
| I-90 Skyway over Elliott Ave | 1958 | 28,700 | Fair |
| I-90 Skyway over Ewing 100TH & Ave"l" | 1958 | 28,700 | Fair |
| I-90 Skyway over Exchange Ave | 1958 | 28,700 | Fair |
| I-90 Skyway over Ground NW Cal Rv | 1958 | 28,700 | Fair |
| I-90 Skyway over Ground NW Comm Ave | 1958 | 28,700 | Fair |
| I-90 Skyway over Ground SE 75TH St | 1958 | 28,700 | Fair |
| I-90 Skyway over Ground SE Avalon St | 1958 | 28,700 | Fair |
| I-90 Skyway over Ground SE Cal Rv | 1958 | 28,700 | Fair |
| I-90 Skyway over Ground SE Comm Ave | 1958 | 28,700 | Fair |
| I-90 Skyway over Ground SE Indiana Av | 1958 | 28,700 | Fair |
| I-90 Skyway over Jeffery Blvd | 1958 | 28,700 | Fair |
| I-90 Skyway over Keefe Ave | 1958 | 28,700 | Fair |
| I-90 Skyway over Kingston Ave | 1958 | 28,700 | Fair |
| I-90 Skyway over M L King Dr | 1958 | 28,700 | Fair |
| I-90 Skyway over Marquette RD(67TH) | 1958 | 28,700 | Fair |
| I-90 Skyway over St Lawrence Ave | 1958 | 28,700 | Fair |
| I-90 Skyway over Stony Island Ave | 1958 | 28,700 | Fair |
| I90 Chgo Skyway over 105TH Ramp 2 WB Skwy | 2004 | 28,700 | Fair |
| I90 Chgo Skyway over Finished Ground | 2004 | 28,700 | Fair |
| US 12 45 SB Mannhe over I-190 Jfk | 2006 | 28,700 | Good |
| to I-90 Skyway over US12 20 41 Indianapo | 1958 | 28,700 | Fair |
| I294 Coll-distr over I290 | 1992 | 28,500 | Fair |
| I294 Coll-distr over I88 | 1993 | 28,500 | Fair |
| NB I-294 over Cc&p RR | 2022 | 28,500 | Good |
| North Ave over N Br Chicago Riv | 2008 | 28,500 | Fair |
| US 12 20 (95TH St) over Melvina Ditch | 1969 | 28,500 | Fair |
| Western Ave over N Br Chicago River | 1973 | 28,500 | Fair |
| Il 171 (archer Ave over RR - Csxt Spur Argo | 1987 | 28,400 | Good |
| Il 171 (archer Ave over RR - Ihb | 1995 | 28,400 | Good |
| Il 21 (milwaukee) over RR - UP | 1970 | 28,400 | Fair |
| Willow Rd over I- 94 US41 Edens | 1949 | 28,400 | Fair |
| Willow Rd over M F N BR Chicago Riv | 2013 | 28,400 | Good |
| US 34 (ogden Ave) over RR - Ihb | 1931 | 28,200 | Fair |
| US 45 Il 21 Milw.a over Wheeling Drain Ditch | 1996 | 28,200 | Fair |
| I-290 EB Cd-il 110 over Hillside Dr | 2002 | 28,100 | Good |
| I-290 EB Cd-il 110 over Wolf Rd | 2001 | 28,100 | Good |
| Il 43 (harlem Ave over I- 90 Jfk & Cta | 1958 | 27,900 | Good |
| Touhy Ave over Des Plaines River | 1955 | 27,600 | Fair |
| Il 171 (1ST Ave) over Silver Creek | 1934 | 27,400 | Fair |
| Oakton St over N Br Chicago River | 1928 | 27,300 | Fair |
| Il 83 (sibley Blv over Little Cal River | 1922 | 27,200 | Fair |
| Il 21 (milwaukee) over US 14 (dempster) | 1990 | 27,000 | Fair |
| Il 53 Biesterfiel over I-290 | 1968 | 26,900 | Fair |
| Elmhurst Rd over Higgins Creek | 2016 | 26,800 | Good |
| Roosevelt Rd over S Br Chicago River | 1928 | 26,800 | Poor |
| Roosevelt Road over Metra RR and Wells | 1995 | 26,800 | Fair |
| Roosevelt Road over Union Station Tracks | 1925 | 26,800 | Fair |
| US 12 (rand Rd) over Buffalo Creek | 1984 | 26,800 | Good |
| Devon Ave over N Shore Channel | 1930 | 26,700 | Fair |
| Il 72 (higgins Rd over Salt Creek | 1900 | 26,600 | Fair |
| US 30 (lincoln Hwy over Lansing Drnage Ditch | 2003 | 26,600 | Fair |
| US 30 over Bike Path & Pipeline | 2015 | 26,600 | Good |
| US 30 over RR - Cn / Ej&e | 2015 | 26,600 | Good |
| Ashland Ave over N Br Chicago River | 1936 | 26,200 | Fair |
| I-90E/294S to I-19 over Willow Creek | 1959 | 26,050 | Fair |
| I-294 NB to I-90 W over I-294/I-90/Willow Creek | 1958 | 26,000 | Fair |
| Il 171 (cumberland over I- 90 Jfk & Cta | 2014 | 26,000 | Good |
| Lake Shore Dr over W Bryn Mawr Ave | 1954 | 26,000 | Fair |
| Il 1 (halsted St over I- 57 | 1962 | 25,800 | Fair |
| Il 390 EB Eoh over RR - Metra Wetlands | 1993 | 25,700 | Fair |
| Il 390 WB Eoh over RR - Metra Wetlands | 1993 | 25,700 | Fair |
| Il 50 (cicero Ave over Creek N of 151ST St | 1971 | 25,700 | Fair |
| Il 68 (dundee Rd) over Il 53 | 1969 | 25,700 | Fair |
| 127TH St over I- 57 | 1966 | 25,600 | Poor |
| Cermak Rd (22ND St over Des Plaines River | 1930 | 25,600 | Fair |
| Devon Ave over N Br Chicago River | 1992 | 25,500 | Good |
| Rand Rd over Des Plaines River | 1928 | 25,500 | Poor |
| Il 7 Southwest H over Cal Sag Channel | 1931 | 25,400 | Poor |
| Il 62 Algonquin R over Salt Creek | 1900 | 25,200 | Good |
| Roosevelt Rd over Des Plaines River | 1928 | 25,200 | Fair |
| US 14 (peterson Av over N Shore Channel | 1934 | 25,200 | Fair |
| Il 62 Algonquin R over Spring Creek | 1929 | 25,100 | Fair |
| Meachem Rd. over I-90 | 2016 | 25,100 | Fair |
| Meachem Rd. over I-90 WB Cd Rd | 2016 | 25,100 | Fair |
| US 6 (159TH St) over I- 57 | 1968 | 25,100 | Poor |
| US 6 (159TH) over Along US 6 EB Lanes | 1962 | 25,100 | Fair |
| Pulaksi Rd over RR - Csxt | 1935 | 25,000 | Fair |
| I- 94 NB to I-55 W over I- 55 Stevenson | 1964 | 24,900 | Fair |
| Il 68 (dundee Rd) over Wheeling Drn Dtch | 1900 | 24,900 | Fair |
| Il 83 (cal Sag Rd over Tinley Creek | 2022 | 24,900 | Good |
| Western AV/31ST over Sanitary&ship Canal | 1940 | 24,800 | Poor |
| Il 68 (dundee Rd) over W F N Br Chicago Riv | 1957 | 24,600 | Fair |
| Touhy Ave over N Br Chicago River | 1925 | 24,400 | Poor |
| Columbus Dr over 11TH St Underpass | 2004 | 24,300 | Good |
| Il 171 (1ST Ave) over I-290 Ike - Il 110 Ckc | 1951 | 24,300 | Poor |
| Lemont Rd over Des P Riv Canal RR | 1983 | 24,300 | Poor |
| Michigan Ave over Main Br Chicago Riv | 1920 | 24,300 | Poor |
| Michigan Ave over Various City Streets | 1921 | 24,300 | Poor |
| Michigan Ave over Various City Sts | 1920 | 24,300 | Fair |
| Ridgeland Ave over Cal Sag Channel | 1967 | 24,300 | Fair |
| 127TH St Burr Oak over RR - Metra | 1957 | 24,200 | Fair |
| Grand Ave over Silver Creek | 1930 | 24,200 | Fair |
| Il 68 (dundee Rd) over I-294 Tri State Toll | 1958 | 24,200 | Fair |
| Roosevelt Rd over I- 90 94 Dan Ryan | 1961 | 24,200 | Fair |
| Archer Ave over S Fk S Br Chi River | 1963 | 24,100 | Fair |
| Roosevelt Rd over Addison Creek | 2003 | 24,000 | Good |
| Roosevelt Rd over RR - Ihb & Gardner | 1938 | 24,000 | Fair |
| Foster Ave over I- 94 Edens | 1956 | 23,800 | Good |
| Foster Ave over N Br Chi Riv West | 1933 | 23,800 | Fair |
| I- 55 EB Rmp Ryan over Dry Land | 1964 | 23,500 | Fair |
| I- 55 EB to I-94 S over Halsted St | 1997 | 23,500 | Good |
| Il 68 (dundee Rd) over Des Plaines River | 1932 | 23,500 | Fair |
| Schaumburg Rd over Salt CR | 1936 | 23,500 | Fair |
| US 12 20 45 Mannhe over Salt Creek | 1958 | 23,500 | Fair |
| 130TH St over Little Calumet River | 1949 | 23,400 | Poor |
| Il 72 over Poplar Creek | 1970 | 23,400 | Fair |
| Nagle Ave over I- 90 Jfk & Cta | 1958 | 23,300 | Fair |
| Ashland Ave over S Br Chicago River | 1938 | 23,200 | Fair |
| Belmont Ave over Des Plaines River | 2001 | 23,200 | Good |
| East Ave over Ditch | 1985 | 23,200 | Fair |
| Il 43 (waukegan R over I- 94 Edens Spur | 1958 | 23,200 | Fair |
| Il 68 (dundee Rd) over M Fk N Br Chgo Riv | 2019 | 23,100 | Good |
| 55TH St EB Garfld over I- 90 94 Ryan & Cta | 1962 | 22,900 | Fair |
| 55TH St WB Garfld over I- 90 94 Ryan & Cta | 1962 | 22,900 | Fair |
| FAU-1292 (E Lake A over N Br Chicago River | 1935 | 22,900 | Poor |
| Old Orchard Rd over I- 94 Edens | 1950 | 22,900 | Poor |
| 87TH St over I- 94 Ryan & Cta | 1959 | 22,600 | Fair |
| US 14 (peterson Av over I- 94 Edens | 1948 | 22,500 | Fair |
| Devon Ave over I- 94 Edens | 1949 | 22,400 | Fair |
| East Lake Ave Ext over W F N Br Chi Riv | 1961 | 22,400 | Poor |
| US 30 (lincoln Hwy over Thorn Creek | 1986 | 22,200 | Fair |
| Cermak Rd (22ND St over I-294 Tri State | 2005 | 22,100 | Good |
| Kedzie Ave over Sanitary&ship Canal | 1909 | 22,000 | Poor |
| Damen Ave & 4 Ramp over I- 55 Stevenson | 1963 | 21,900 | Fair |
| Damen Ave over BNSF & CN RR & Land | 1930 | 21,900 | Good |
| Damen Ave over Land-32nd to I55 Rps | 1930 | 21,900 | Good |
| Damen Ave over S Br Chicago River | 1930 | 21,900 | Fair |
| Damen Ave. over Private Property | 2002 | 21,900 | Good |
| Il 72 EB over RR - Wi Central Ltd | 1991 | 21,900 | Good |
| Il 72 WB (higgins over RR - Wi Central Ltd | 1938 | 21,900 | Fair |
| Ashland Ave over I-290 - Il 110 & Cta | 1954 | 21,600 | Fair |
| Halsted St over I-290 - Il 110 & Cta | 2014 | 21,600 | Good |
| 25th Avenue over Union Pacific RR | 2016 | 21,500 | Fair |
| Il 171 EB (archer) over 79TH St WB | 2021 | 21,500 | Good |
| LaSalle Dr over Shared Use Path | 1938 | 21,500 | Fair |
| Lasalle Dr over Shared Use Path | 1980 | 21,500 | Fair |
| Oakton St over I-94 Edens | 2024 | 21,400 | Good |
| US 12 45 Mannheim over Willow Creek | 2003 | 21,400 | Fair |
| 79TH St over RR - Csxt | 1956 | 21,300 | Fair |
| Dempster St over N. Shore Channel | 2003 | 21,300 | Fair |
| Fullerton Parkway over Lincoln Pk Lagoon | 2012 | 21,300 | Fair |
| US 6 Il 7 159TH S over Marley Creek | 2015 | 21,300 | Good |
| US 30 (lincoln Hwy over Il 394 | 1954 | 21,200 | Fair |
| US 6 (159TH St) over I- 94 Bishop Ford | 1947 | 21,100 | Poor |
| US 6 (159TH St) over Little Cal River | 1931 | 21,100 | Fair |
| Crawford Ave over Cal Sag Channel | 1931 | 21,000 | Fair |
| Il 19 (irving Par over Des Plaines River | 1996 | 21,000 | Fair |
| Il 43 (waukegan) over RR - UP | 1993 | 21,000 | Fair |
| Il 58 over Des Plaines River | 2004 | 21,000 | Good |
| 127TH St Burr Oak over Stony Creek | 1968 | 20,900 | Fair |
| Il 83 (oakton St) over Higgins Creek | 1972 | 20,900 | Good |
| Il 83 (torrence) over I- 80 94 Kingery | 2005 | 20,900 | Fair |
| Il 83/us6 Torrenc over Little Cal River | 2019 | 20,900 | Good |
| Ogden Ave over Il 50 (cicero Ave) | 1999 | 20,900 | Fair |
| Southwest Hwy over RR - Csxt Creek Etc | 1999 | 20,900 | Good |
| Kedzie Avenue over Prairie Creek | 1979 | 20,700 | Poor |
| 83RD St over I- 94 Ryan & Cta | 1959 | 20,600 | Fair |
| Il 83 171 (kinger over Cal Sag Channel | 1934 | 20,500 | Fair |
| Il 83 171 over Cal Sag Extension | 1935 | 20,500 | Fair |
| Il 21 (milwaukee) over Des Plaines River | 2009 | 20,400 | Good |
| 143RD Street over Tinley Creek | 1997 | 20,300 | Fair |
| Arlington Heights over Salt Creek | 1971 | 20,300 | Fair |
| Roosevelt Rd over Plymouth Court | 1995 | 20,200 | Fair |
| Roosevelt Road over Clark Street Viaduct | 1995 | 20,200 | Fair |
| Roosevelt Road over Land | 1995 | 20,200 | Fair |
| 127TH St over I-294 Toll Ramp | 1958 | 20,100 | Good |
| Il 171 (1ST Ave) over Des Plaines River | 1931 | 20,100 | Fair |
| Lake St over Addison Creek | 2011 | 20,100 | Good |
| Governors Hwy-pula over Butterfield Creek | 1985 | 20,000 | Good |
| Chicago Av & Halst over UPRR and Parking Lot | 1968 | 19,900 | Poor |
| Chicago Ave over N Br Chicago River | 1914 | 19,900 | Poor |
| 103RD St over Norfolk Southern RR | 1938 | 19,800 | Poor |
| 112TH (monterey Av over I- 57 | 1965 | 19,800 | Fair |
| US 41 NB to I-55 W over US 41 Lsd | 2015 | 19,800 | Good |
| 87TH St. over B&o Ihb RR | 1971 | 19,700 | Fair |
| Il 83 (147TH St) over Midlothian Creek | 1954 | 19,600 | Fair |
| I- 55 S Rmp I-90 9 over I- 55 Stevenson | 1965 | 19,500 | Fair |
| Il 171 EB Archer A over I-294 | 2021 | 19,500 | Good |
| Roosevelt Rd over Metra Electric RR | 1996 | 19,400 | Fair |
| Cornell Drive over Pedestrian Underpass | 2023 | 19,300 | Good |
| Foster Ave over I- 90 Jfk & Cta | 1958 | 19,300 | Poor |
| Il 62 over Poplar Creek | 1997 | 19,300 | Good |
| US 30 (lincoln Hwy over Deer Creek | 1926 | 19,300 | Fair |
| Western Ave over I-290 - Il 110 & Cta | 1953 | 19,300 | Fair |
| Il 1 (halsted St over Cal Union Ditch | 1984 | 19,200 | Poor |
| Vollmer Rd over Butterfield Creek | 1946 | 19,200 | Fair |
| 127TH St over Cal Sag Channel | 1968 | 19,100 | Poor |
| Addison St over N Br Chicago River | 1920 | 19,100 | Fair |
| Foster Ave over N Br Chi Riv Center | 1933 | 19,100 | Poor |
| Foster Ave over N Br Chi Riv East | 1933 | 19,100 | Poor |
| Foster Ave over N Shore Channel | 1935 | 19,100 | Fair |
| US 30 (lincoln Hwy over Butterfield Creek | 1954 | 19,000 | Fair |
| Willow Springs Rd over I & M Canal - Old | 1996 | 19,000 | Good |
| Willow Springs Rd over S&s&i&mcanals Dpl Rv | 1976 | 19,000 | Fair |
| Il 43 (waukegan R over W Fk N Br Chi Riv | 1927 | 18,900 | Fair |
| Roselle Rd over Il 390 Elgin-ohare | 1991 | 18,900 | Fair |
| Il 72 EB Higgins over I- 90 Adams Tollway | 2016 | 18,800 | Good |
| Il 72 WB (higgins over I- 90 Adams Tollway | 2015 | 18,800 | Good |
| Il 72 over Poplar Creek | 1939 | 18,800 | Fair |
| Kedzie Ave over RR - Brc | 1936 | 18,800 | Fair |
| Lawrence Ave over Des Plaines River | 1994 | 18,800 | Fair |
| Pulaski Rd & Ramps over I- 55 Stevenson | 1963 | 18,800 | Fair |
| Pulaski Rd over Sanitary&ship Canal | 1930 | 18,800 | Fair |
| Pulaski Road over BNSF Railroad Tracks | 1928 | 18,800 | Fair |
| Chicago Ave over I- 90 94 Jfk | 1959 | 18,700 | Fair |
| US 6 Il 7 159TH S over Spring Creek | 2015 | 18,700 | Good |
| Central Ave over Stony Creek | 1967 | 18,600 | Fair |
| Columbus Dr over Lower E North Water St | 1982 | 18,600 | Fair |
| Columbus Dr over Main Br Chicago Riv. | 1982 | 18,600 | Fair |
| Columbus Dr over Parking Facilities | 1980 | 18,600 | Fair |
| Cortland St over N Br Chicago Riv | 1902 | 18,600 | Poor |
| LaSalle St. over Parking Area | 1928 | 18,600 | Poor |
| Lasalle Street over Trolley Car Tunnel | 1911 | 18,600 | Fair |
| N LaSalle St over Main Br Chicago Rv | 1928 | 18,600 | Poor |
| 119TH St over I- 57 | 1965 | 18,500 | Fair |
| 130TH St over I- 94 Bishop Ford | 1991 | 18,500 | Poor |
| 130TH St over RR - Csss & Ihb | 1953 | 18,500 | Poor |
| I- 90 EB Skyway over I- 94 Dan Ryan | 2004 | 18,350 | Fair |
| I- 90 WB Skyway over I- 90 94 NB Ryan | 2004 | 18,350 | Good |
| to I-90 Skway EB over State St | 1961 | 18,350 | Good |
| to I-90 Skyway WB over State St | 1961 | 18,350 | Good |
| I-294 NB to I-88 W over I-294 | 1958 | 18,300 | Fair |
| Lake Ave over I- 94 Edens | 1950 | 18,300 | Poor |
| Northwest Hwy (ran over Creek | 1957 | 18,300 | Good |
| Sauk Trail over Reichart Creek | 1989 | 18,300 | Fair |
| 31ST St over Salt Creek | 1927 | 18,200 | Fair |
| County Line Rd over I- 55 Stevenson | 1959 | 18,200 | Fair |
| Quentin Rd over Br of Salt Creek | 1927 | 18,200 | Poor |
| US 30 (lincoln Hwy over Third Creek | 1982 | 18,200 | Fair |
| US 30 over Drainage Ditch | 2003 | 18,200 | Good |
| 79TH St over I- 94 Ryan & Cta | 1959 | 18,100 | Fair |
| Il 50 (cicero Ave over I- 57 | 1967 | 18,100 | Fair |
| Euclid Ave over Il 53 | 1963 | 18,000 | Poor |
| Euclid Ave. over Salt Creek | 1973 | 18,000 | Good |
| US 45 (river Rd) over Mcdonald Creek | 1984 | 18,000 | Fair |
| Il 1 (halsted St over Butterfield Creek | 1974 | 17,900 | Fair |
| Belmont Ave over N Br Chgo Rvr | 1976 | 17,800 | Poor |
| Sauk Trail over Third Creek | 1997 | 17,800 | Good |
| Torrence Av over Grand Calumet | 2017 | 17,800 | Fair |
| Torrence Ave over RR - Csxt & Ihb | 1956 | 17,800 | Fair |
| Ashland Ave over Cal Sag Channel | 1933 | 17,700 | Fair |
| Ashland Ave over Little Cal River | 1930 | 17,700 | Fair |
| Damen Ave over I-290 - Il 110 & Cta | 1952 | 17,700 | Fair |
| Fullerton Ave over N Br Chicago River | 1896 | 17,600 | Fair |
| Western Blvd over S Western Ave | 1940 | 17,600 | Fair |
| I- 94 SB to I-55 W over Halsted St | 2000 | 17,550 | Good |
| Joe Orr Rd over Thorn Creek | 1958 | 17,500 | Poor |
| Lawrence Ave over I- 94 Edens | 1957 | 17,500 | Fair |
| Addison St over I- 90 94 Jfk | 1958 | 17,400 | Fair |
| Diversey Ave over N Br Chicago River | 1968 | 17,400 | Fair |
| I- 94 EB Rmp T Sto over I- 94 Bishop Ford | 2014 | 17,400 | Fair |
| I-294 Off Ramp over I-190 EB Jfk | 1960 | 17,400 | Fair |
| Il 171 & 79 St EB over US 12 20 45 Mannheim | 1959 | 17,300 | Poor |
| Willow Rd over Skokie River | 1935 | 17,300 | Good |
| Vollmer Rd over I- 57 | 1967 | 17,200 | Poor |
| Il 72 (oriole Ave over I- 90 Jfk & Cta | 1958 | 17,150 | Good |
| Austin Blvd over I-290 & Il 110/CTA/RR | 1957 | 17,100 | Fair |
| Crawford Ave over I- 80 | 1967 | 17,100 | Fair |
| Grand Ave over N Br Chicago River | 1913 | 17,100 | Poor |
| St Charles Rd over I-290 | 1960 | 17,100 | Fair |
| St Charles Rd over I-294 | 2022 | 17,100 | Good |
| 25TH Ave over I-290 Ike - Il 110 Ckc | 1951 | 17,000 | Poor |
| Devon Ave over Salt Creek | 1932 | 17,000 | Poor |
| Il 72 (higgins Rd over Des Plaines River | 1929 | 17,000 | Fair |
| Des Plaines Ave over I-290 Ike - Il 110 Ckc | 1957 | 16,900 | Fair |
| Devon Ave over I-290 | 2014 | 16,900 | Good |
| I- 90 94 EB to Ohi over I- 90 94 Jfk | 1961 | 16,900 | Fair |
| Crawford Ave over Midlothian CR | 1979 | 16,800 | Poor |
| Il 50 (cicero Ave over Butterfield Creek | 2003 | 16,800 | Fair |
| Kedzie Ave over N Lag Marquette Park | 1933 | 16,700 | Good |
| Kedzie Ave over S Lag Marquette Park | 1933 | 16,700 | Good |
| Ridgeland Ave over Stony CR | 1948 | 16,700 | Fair |
| 55TH St over Flag Creek | 1958 | 16,600 | Fair |
| 55TH St over I-294 Tri State Toll | 1992 | 16,600 | Fair |
| Hicks Rd over Buffalo Creek Trib | 1932 | 16,600 | Fair |
| Franklin-orleans S over Main Br Chicago Riv | 1920 | 16,550 | Poor |
| Orleans St over Kinzie RR & Muni Sts | 1921 | 16,550 | Fair |
| Grand Ave over Des Plaines River | 1922 | 16,500 | Fair |
| Il 72 (higgins Rd over Willow Creek | 1984 | 16,500 | Fair |
| 171ST St over Midlothian Creek | 1951 | 16,400 | Poor |
| Central Ave over N Br Chicago River | 1993 | 16,400 | Fair |
| Il 58 (golf Rd) over Poplar Creek | 2002 | 16,400 | Fair |
| Ohio St WB to I94E over I- 94 | 2014 | 16,400 | Good |
| Ohio St WB to I94E over I- 94EB Rmp 2 Ohioeb | 2014 | 16,400 | Good |
| Ohio WB to I94EB over Ohiowb to I94WB | 1991 | 16,400 | Fair |
| Il 50 (cicero Ave over I- 90 Jfk & Cta | 1958 | 16,200 | Fair |
| Pulaski Rd over N Br Chicago River | 1994 | 16,200 | Fair |
| US 14 (miner St) over Des Plaines River | 1925 | 16,100 | Fair |
| I- 90 94 SB 2 I-55 over I- 55 Stevenson | 1964 | 16,000 | Fair |
| West Lake Av over Desplaines R Slough | 2001 | 16,000 | Good |
| West Lake Avenue over Desplaines River | 2001 | 16,000 | Good |
| Wolf Road over Salt Creek | 1998 | 16,000 | Good |
| 25TH Ave over RR - Ihb | 1965 | 15,900 | Fair |
| 80TH Av over Midlothian Creek | 1953 | 15,900 | Fair |
| FAU-2585 Meacham R over West Branch of Salt Cree | 1985 | 15,900 | Poor |
| Il 83 (cal-sag Rd over Navojo Creek | 1968 | 15,900 | Fair |
| Il 83 over Ditch | 1931 | 15,900 | Fair |
| S. California Ave over Sanitary&ship Canal | 1926 | 15,900 | Poor |
| 39TH St (pershing) over I- 90 94 Dan Ryan | 1962 | 15,800 | Fair |
| Canal St over S Br Chicago River | 1948 | 15,800 | Fair |
| S Canal St over BNSF RR | 1930 | 15,800 | Good |
| 39TH St (pershing) over Racine Ave & RR | 1936 | 15,500 | Poor |
| I- 57NB Rmp to 294 over Ramp C & I-294 | 2014 | 15,500 | Good |
| Mt Prospect Rd over Wellers Ditch | 1947 | 15,500 | Fair |
| Pulaski Rd over I-290 - Il 110 & Cta | 1953 | 15,500 | Fair |
| Weiland Road over Buffalo Creek | 2021 | 15,500 | Good |
| 167TH Street over Midlothian Creek | 1973 | 15,400 | Fair |
| Buffalo Grove Rd over Buffalo CR | 1977 | 15,400 | Good |
| FAU 1603 (151st St over Tinley Creek | 1948 | 15,400 | Fair |
| Hicks Rd over Salt Creek | 1900 | 15,400 | Good |
| I-294 SB to I-190 over I-90 EB to I-294 SB | 1958 | 15,400 | Good |
| 67TH St (marquette over I- 94 Ryan & Cta | 1960 | 15,300 | Good |
| FAU1292 (euclid Av over Salt Creek | 1962 | 15,300 | Fair |
| Sauk Trail over Thorn Creek | 1932 | 15,300 | Fair |
| Independence Blvd over I-290 - Il 110 & Cta | 1953 | 15,200 | Fair |
| Independence Blvd over I-290 - Il 110 & Cta | 1953 | 15,200 | Poor |
| Cermak Rd (22ND St over 25TH Ave | 1961 | 15,100 | Good |
| Cermak Rd (22ND St over Addison Creek | 1959 | 15,100 | Good |
| FAU-190 Balmoral A over FAP-330 Mannheim Rd | 2015 | 15,100 | Good |
| Montrose Ave over I- 90 94 Jfk | 1957 | 15,100 | Good |
| Howard St over N Shore Channel | 1951 | 15,000 | Fair |
| 63RD St over I- 90 94 Ryan & Cta | 1960 | 14,900 | Good |
| Il 83 (elmhurst R over Mcdonald Creek | 1960 | 14,900 | Fair |
| I- 55 WB Rmp Ryan over Archer; BNSF & Ic RR | 1964 | 14,800 | Fair |
| 31ST St over I-294 Tri State Toll | 1958 | 14,700 | Fair |
| 71ST St over I- 94 Ryan & Cta | 1958 | 14,700 | Fair |
| Il 7 over US 45 (la Grange Rd) | 2007 | 14,700 | Fair |
| Kedzie Ave over Cal Sag Channel | 1966 | 14,700 | Poor |
| Kedzie Ave over RR - Csxt & Wireton | 1972 | 14,700 | Poor |
| Kedzie Ave over Stoney Creek | 1969 | 14,700 | Good |
| Willow Springs Rd over I- 55 Stevenson | 1963 | 14,700 | Fair |
| Willow Springs Rd over I-294 Tri State Toll | 1958 | 14,700 | Fair |
| Il 68 (dundee Rd) over RR - UP | 2008 | 14,600 | Good |
| Il 68 (dundee Rd) over US 14 (NW Hwy) | 2008 | 14,600 | Good |
| Western Ave over Thorn Creek | 1982 | 14,600 | Fair |
| Wolf Rd. over Feehanville Ditch | 1991 | 14,600 | Good |
| Il 171 NB to I-55 over San & Ship Canal | 1981 | 14,500 | Fair |
| Ogden Ave over I-290 - Il 110 & Cta | 1953 | 14,500 | Poor |
| Palatine Rd over Salt Creek | 1959 | 14,500 | Fair |
| Ridgeland Ave. over Tinley Creek | 1931 | 14,500 | Good |
| Torrence Ave over Calumet River | 1938 | 14,500 | Poor |
| US 12 20 (95TH St) over I- 94 Dan Ryan | 1959 | 14,500 | Fair |
| Roberts Road over Stony Creek | 1932 | 14,400 | Fair |
| I-90 Skyway EB over 87TH St | 1958 | 14,350 | Fair |
| I-90 Skyway EB over Service Building | 1958 | 14,350 | Fair |
| I-90 Skyway WB over 87TH St | 1958 | 14,350 | Fair |
| I-90 Skyway over 86TH St | 1958 | 14,350 | Fair |
| I-90 Skyway over Colfax Ave | 1958 | 14,350 | Fair |
| I90 Chgo Skywayeb over Indianpls BV/US12 20 | 2004 | 14,350 | Fair |
| 143RD St over Br of Tinley Creek | 1931 | 14,300 | Poor |
| 31ST St over Salt Creek | 2001 | 14,300 | Fair |
| Halsted St over Ohio Street Feeder | 1957 | 14,300 | Fair |
| River Rd over Willow CR | 1929 | 14,300 | Good |
| US 34 Ogden Ave over Des Plaines Riv | 1933 | 14,300 | Good |
| Wacker Drive over Lower Wacker Drive | 2011 | 14,300 | Good |
| Hayes Dr over Jackson Pk Lagoon | 1902 | 14,200 | Fair |
| Hayes Drive over Pedestrian Underpass | 2023 | 14,200 | Good |
| Hayes Drive over Pedestrian Underpass | 2023 | 14,200 | Good |
| N Central Av over Access Dr | 2004 | 14,200 | Good |
| N. Central Ave over Metra & Armitage Ave | 2004 | 14,200 | Good |
| Central Ave over I- 90 Jfk & Cta | 1952 | 14,100 | Fair |
| Glenwood-lansing R over Lansing Drain Ditch | 2002 | 14,100 | Good |
| Indiana Avenue over Cal.union Drain Dtch | 1985 | 14,100 | Good |
| Oakton St over N Shore Channel | 1957 | 14,100 | Good |
| Ridge Avenue over Cta Skokie Swift | 1995 | 14,100 | Good |
| Vollmer Rd over Trib Flossmoor Ditch | 2003 | 14,100 | Good |
| 25TH Ave over Addison Creek | 2000 | 14,000 | Good |
| Crawford Ave over Cal Union Ditch Trib | 1993 | 14,000 | Good |
| Laramie Ave over Ogden Ave & RR Yard | 1956 | 14,000 | Fair |