| US 12 over Nippersink CR Overfl | Poor | 190.0 ft | 11,500 | 1939 |
| Bull Valley Road over Boone Creek | Poor | 61.7 ft | 9,300 | 1969 |
| US 12 over N Br Nippersink Crk | Poor | 130.6 ft | 8,250 | 1990 |
| Charles RD over Slough Creek | Poor | 30.8 ft | 6,300 | 1947 |
| Algonquin RD over Spring CR | Poor | 53.1 ft | 3,200 | 1986 |
| Dartmoor Drive over Boone Creek | Poor | 83.7 ft | 2,550 | 1998 |
| South ST RD over Franklinville CR | Poor | 44.0 ft | 2,050 | 1983 |
| Ch43 (millstream R over Kishwaukee River | Poor | 149.0 ft | 1,700 | 1964 |
| Ch-43 Millstream R over S Br Kishwaukee Rvr | Poor | 158.1 ft | 1,700 | 1964 |
| Flat Iron Road over Mokeler Creek | Poor | 33.1 ft | 1,550 | 1950 |
| Bay Road over Unnamed Tributary | Poor | 21.7 ft | 1,550 | 1980 |
| Fas-39 (hunter Roa over Little Beaver Creek | Poor | 45.9 ft | 1,350 | 1963 |
| Barreville RD over Sleepy Hollow Creek | Poor | 26.9 ft | 1,350 | 1957 |
| Vander Karr RD over Br Of Nippersink CR | Poor | 64.0 ft | 1,350 | 1981 |
| Maple Rd. C.h.(t-5 over Trib Coon Creek | Poor | 22.0 ft | 1,150 | 1945 |
| Oakwood Drive over Boone Creek | Poor | 49.9 ft | 1,150 | 1971 |
| Melody Lane over Silver Creek | Poor | 29.9 ft | 1,050 | 1984 |
| North Union Road over Kishwaukee River | Poor | 54.1 ft | 875 | 1959 |
| Marengo Road over Rush Creek | Poor | 59.1 ft | 850 | 1956 |
| Tr-73 (allendale R over Nippersink CR | Poor | 95.8 ft | 850 | 1978 |
| Thayer Road over Nippersink Creek | Poor | 91.9 ft | 800 | 1975 |
| Perkins RD over Franklinville CR | Poor | 53.1 ft | 725 | 1980 |
| Harmony Road over Coon Creek | Poor | 126.0 ft | 725 | 1980 |
| Haegers Bend RD over Fox Riv Inlet | Poor | 65.9 ft | 650 | 1986 |
| Ms-1000 Queenanner over Nippersink | Poor | 69.9 ft | 575 | 1960 |
| Queen Anne RD over Br Of Nippersink CR | Poor | 89.9 ft | 575 | 1960 |
| Ms-3020 Center ST over Stream | Poor | 56.4 ft | 575 | 1991 |
| County Line RD over Piscasaw Creek | Poor | 125.0 ft | 475 | 1959 |
| County Line RD over Kishwaukee Overflow | Poor | 97.1 ft | 475 | 1978 |
| Lake View Drive over Island Lake | Poor | 40.4 ft | 450 | 1975 |
| Streit Road over Piscasaw Creek | Poor | 126.0 ft | 425 | 1959 |
| Mccue Road over Kishwaukee River | Poor | 69.2 ft | 400 | 1973 |
| Graf Road over Piscasaw Creek | Poor | 95.1 ft | 375 | 1998 |
| Frohling RD over S Br Kishwaukee | Poor | 51.8 ft | 325 | 1978 |
| Pleasant Valley RD over Kishwaukee River | Poor | 64.0 ft | 325 | 1978 |
| Pioneer RD over Nippersink Creek | Poor | 125.0 ft | 325 | 1982 |
| Fau-165 (w Solon R over N Br Nippersink CR | Poor | 85.6 ft | 325 | 1983 |
| Ch-27 (johnson Rd) over Nippersink CR | Poor | 97.4 ft | 300 | 1978 |
| Thorne RD over Kishwaukee Riv | Poor | 216.2 ft | 275 | 1992 |
| Paulsen RD over N Br Kishwaukee Riv | Poor | 69.9 ft | 250 | 1959 |
| Murray Road over Slough Creek | Poor | 24.6 ft | 225 | 1968 |
| North Union Road over Kishwaukee River | Poor | 56.4 ft | 200 | 1973 |
| Sullivan Road over Trib N Br Kiswke Riv | Poor | 20.3 ft | 100 | 1965 |
| Bunker Hill Road over Rush Creek | Poor | 60.0 ft | 100 | 1962 |
| Bunker Hill Road over Drainage Ditch | Poor | 32.2 ft | 100 | 1970 |
| Root Road over Rush Creek | Poor | 90.9 ft | 100 | 1900 |
| Kunde RD over Kishwaukee River | Poor | 101.0 ft | 75 | 1985 |
| White Oaks RD over W Branch Piscasaw CR | Poor | 43.0 ft | 50 | 1947 |
| Il 62 over Fox River | Fair | 334.6 ft | 43,100 | 1988 |
| Il 31 over Rr - Up | Fair | 190.9 ft | 34,400 | 1971 |
| Algonquin Road over Woods Creek | Fair | 50.5 ft | 31,600 | 2004 |
| Algonquin Road over Crystal Creek | Fair | 60.4 ft | 31,600 | 2004 |
| Algonquin Road over Gravel Pit Creek | Fair | 40.4 ft | 31,600 | 2004 |
| Il 120 over Boone Creek | Fair | 25.9 ft | 25,900 | 1973 |
| US 14 over Fox River | Fair | 337.9 ft | 25,500 | 1990 |
| Il 31 over Edgewood Ravine | Fair | 38.1 ft | 21,200 | 1925 |
| Il 176 over Island Lake Overflow | Fair | 25.9 ft | 19,200 | 1929 |
| Il 176 over Fox River | Fair | 414.0 ft | 18,100 | 1954 |
| Il 120 over Fox River | Fair | 431.1 ft | 18,100 | 1985 |
| S. River Road over Defiance Lake Creek | Fair | 26.6 ft | 16,100 | 1950 |
| US 14 over Rr - Up & Mccoob ST | Fair | 642.1 ft | 12,400 | 1940 |
| US 12 over N Br Nippersink CR | Fair | 66.9 ft | 11,600 | 1951 |
| US 12 over Nippersink Creek | Fair | 158.8 ft | 11,500 | 1990 |
| Chapel Hill RD over Fox River | Fair | 522.6 ft | 10,150 | 1938 |
| US 12 over Nippersink Creek | Fair | 120.1 ft | 9,650 | 1932 |
| Main Street over S Rbr. Kishwaukee | Fair | 63.0 ft | 9,500 | 1961 |
| Charles J Miller E over Fox River | Fair | 659.1 ft | 8,150 | 1989 |
| Il 31 over Nippersink Creek | Fair | 167.0 ft | 7,600 | 1927 |
| Fau-168 (wilmot RD over Nippersink Creek | Fair | 132.9 ft | 7,200 | 1960 |
| US 14 over Kishwaukee River | Fair | 117.1 ft | 7,100 | 1984 |
| US 14 over Lawrence Creek | Fair | 38.1 ft | 6,500 | 2006 |
| US 14 over Lawrence CR Bypass | Fair | 25.6 ft | 6,500 | 2006 |
| Il 173 over Mokeler Creek | Fair | 21.0 ft | 5,350 | 1930 |
| Il 23 over Riley Creek | Fair | 35.4 ft | 5,200 | 2002 |
| Haligus Road over Kishwaukee River | Fair | 23.0 ft | 4,650 | 1967 |
| Green Street over Boone Creek | Fair | 59.7 ft | 4,650 | 1948 |
| Il 47 over Small Stream | Fair | 73.2 ft | 4,500 | 1985 |
| Il 47 over Silver Creek | Fair | 35.1 ft | 4,500 | 1985 |
| Pearl ST over Fox River | Fair | 418.0 ft | 4,500 | 1977 |
| Greeenwood RD over Nippersink Creek | Fair | 204.1 ft | 3,850 | 1993 |
| Winn Road over Nippersink Creek | Fair | 142.7 ft | 3,800 | 2012 |
| Kishwaukee Valley over Rush Creek | Fair | 142.1 ft | 3,550 | 1990 |
| Kishwaukee Valley over Mud Creek | Fair | 22.0 ft | 3,550 | 1958 |
| Marengo RD over Trib W Br Union CR E | Fair | 65.0 ft | 3,300 | 1995 |
| Il 23 over Coon Creek | Fair | 144.0 ft | 3,250 | 2011 |
| Il 173 over Nippersink Cr. | Fair | 87.6 ft | 3,200 | 2011 |
| Mcguire RD over N.br. Kishawaukee | Fair | 107.9 ft | 2,650 | 1996 |
| Millstream Drive over Boone Creek | Fair | 32.2 ft | 2,550 | 1965 |
| Blivin Street over Nippersink Creek | Fair | 158.8 ft | 2,300 | 2011 |
| River Road over Kishwaukee R Overflo | Fair | 27.9 ft | 2,250 | 1928 |
| Mc Guire Road over Rush Creek | Fair | 29.9 ft | 2,200 | 1955 |
| Nelson Road over Slough Creek | Fair | 25.9 ft | 1,800 | 1963 |
| Doty RD over Kishwaukee River | Fair | 78.4 ft | 1,700 | 2000 |
| Thompson Road over Nippersink Creek | Fair | 148.6 ft | 1,600 | 2011 |
| River Road over Rush Creek | Fair | 64.0 ft | 1,400 | 1982 |
| Ames RD over Sleepy Hollow Creek | Fair | 27.9 ft | 1,300 | 1950 |
| State Line Road over Piscasaw Creek | Fair | 64.3 ft | 850 | 1967 |
| Thayer Road over Br Of Nippersink CR | Fair | 32.2 ft | 750 | 1954 |
| Collins Rd. over N.br.kishwaukee Riv. | Fair | 132.2 ft | 725 | 1991 |
| Streit RD over Rush Creek | Fair | 65.9 ft | 700 | 1985 |
| Highbridge RD over S Br Kishwaukee Riv | Fair | 180.1 ft | 650 | 1992 |
| Spring Creek Road over Spring Creek | Fair | 30.5 ft | 625 | 2012 |
| Island Road over Mokeler Creek | Fair | 32.5 ft | 600 | 1926 |
| Nichols RD over Nippersink Creek | Fair | 39.0 ft | 600 | 1953 |
| Oak Grove Road over Stream | Fair | 44.9 ft | 575 | 1953 |
| Maxon RD over Piscasaw Crk | Fair | 180.1 ft | 575 | 1992 |
| Garden Valley Road over N. Br. Kishwaukee R. | Fair | 107.9 ft | 550 | 1965 |
| Seemann RD over S Br Kishwaukee Riv. | Fair | 91.5 ft | 525 | 1973 |
| County Line Road over Kishwaukee River | Fair | 111.2 ft | 475 | 2016 |
| Steig Road over Apple Creek | Fair | 26.2 ft | 425 | 1919 |
| Lawrence Road over T Of W Br Piscasaw | Fair | 26.2 ft | 350 | 1940 |
| Graf Road over W Br Piscasaw Creek | Fair | 87.6 ft | 350 | 2012 |
| Lawrence Road over Piscasaw Creek | Fair | 92.8 ft | 350 | 2013 |
| Bay View Lane over Pistakee Lake | Fair | 261.2 ft | 300 | 2004 |
| Olbrich Road over Drain Ditch Rush CR | Fair | 25.6 ft | 275 | 1921 |
| Dunham Road over Rush Creek | Fair | 58.7 ft | 275 | 2012 |
| Riley RD over Stream | Fair | 24.9 ft | 275 | 1930 |
| Thorne RD over Kiswaukee River | Fair | 28.9 ft | 275 | 1959 |
| Hebron RD over Nippersink Creek | Fair | 42.0 ft | 250 | 1961 |
| Jefferson Street over Mokeler Creek | Fair | 23.3 ft | 250 | 1920 |
| Perkins RD over W Br Piscasaw Creek | Fair | 36.1 ft | 225 | 1961 |
| Coon Creek RD over Coon Creek | Fair | 138.1 ft | 175 | 1979 |
| Wallace Drive over Fox River Slough | Fair | 36.4 ft | 175 | 2008 |
| Grange RD over Coon Creek | Fair | 128.0 ft | 150 | 1979 |
| Buttons Road over Stream | Fair | 29.9 ft | 150 | 1971 |
| Jackson Road over Coon Creek | Fair | 127.0 ft | 125 | 1980 |
| Mensching RD over Kishwaukee River | Fair | 57.1 ft | 125 | 1985 |
| Yates Road over Lawrence Creek | Fair | 68.9 ft | 125 | 2001 |
| Green Road over N Br Kishwaukee Riv | Fair | 51.8 ft | 100 | 1975 |
| Pagles Road over Mokeler Creek | Fair | 50.9 ft | 100 | 1980 |
| Deep Cut Road over Union Pacific Rr | Fair | 166.7 ft | 100 | 2004 |
| Streit RD over No Br Kishwaukee R | Fair | 70.9 ft | 100 | 2007 |
| Carls Road over Coon Creek | Fair | 102.0 ft | 50 | 1953 |
| Anthony RD over Coon Creek | Fair | 126.0 ft | 50 | 1979 |
| Woodbine RD over Kishwaukee River | Fair | 25.6 ft | 50 | 1986 |
| Rakow RD (ch V-29) over Crystal Creek | Good | 23.3 ft | 30,600 | 1994 |
| Il 31 & 120 over Boone Creek | Good | 94.8 ft | 30,300 | 1990 |
| I-90 WB over Coon Creek | Good | 143.4 ft | 29,350 | 2013 |
| I-90 EB over Coon Creek | Good | 143.4 ft | 29,350 | 2013 |
| Randall Road over Woods Creek | Good | 28.9 ft | 28,800 | 1969 |
| Randall RD over Creek | Good | 24.0 ft | 28,800 | 1970 |
| Il 31 over Algonquin RD | Good | 154.5 ft | 25,600 | 2013 |
| Il 47 over S Br Kishwaukee Rv | Good | 36.1 ft | 25,200 | 2011 |
| US 14 over Il 31 | Good | 179.8 ft | 24,700 | 1999 |
| Il 31 over Dutch Creek | Good | 42.7 ft | 23,400 | 1978 |
| Algonquin Road over Woods Crk W Randall | Good | 59.7 ft | 22,300 | 2007 |
| Il 47 over Kishwaukee River | Good | 87.9 ft | 18,600 | 2021 |
| Il 31 over Crystal Creek | Good | 139.4 ft | 17,900 | 2013 |
| US 14 over Rush Creek | Good | 87.9 ft | 15,200 | 1984 |
| Johnsburg Road over Dutch Creek | Good | 61.0 ft | 13,500 | 1994 |
| US 14 over Mokeler Creek | Good | 51.8 ft | 12,400 | 2006 |
| Il 176 over Kishwaukee River | Good | 54.1 ft | 10,200 | 2000 |
| Il 176 over Kishwaukee River | Good | 78.1 ft | 8,600 | 2008 |
| Charles Miller RD over Fox River | Good | 659.8 ft | 8,150 | 2013 |
| US 14 over Lawrence Creek | Good | 26.6 ft | 6,500 | 2015 |
| Charles RD over Silver CR | Good | 22.0 ft | 6,500 | 1978 |
| Bunker Hill Drive over Woods Creek | Good | 36.7 ft | 6,500 | 1999 |
| Il 23 over Kishwaukee River | Good | 259.8 ft | 6,450 | 2009 |
| Il 23 over Kishwaukee R Overflo | Good | 39.4 ft | 6,450 | 2009 |
| Il 23 over Kishwaukee Rv Relief | Good | 50.5 ft | 6,450 | 2009 |
| Bay Road over Lily Lake Drain | Good | 109.6 ft | 6,200 | 1968 |
| Rawson Bridge Road over Fox River | Good | 506.9 ft | 6,050 | 1982 |
| Main Street over Crystal Lake Overflo | Good | 61.0 ft | 5,750 | 2020 |
| Il 176 over S Br Kishwaukee Riv | Good | 410.4 ft | 5,700 | 2008 |
| Il 176 over Overland Flow Area | Good | 39.4 ft | 5,700 | 2008 |
| Il 176 over Drainage Ditch | Good | 30.5 ft | 5,700 | 2012 |
| Il 173 over Mokeller Creek | Good | 25.9 ft | 5,500 | 1999 |
| Il 173 over Mokeller Creek | Good | 41.7 ft | 5,500 | 1999 |
| Il 173 over Mokeller Creek | Good | 40.0 ft | 5,500 | 1993 |
| Il 173 over N Br Nippersink CR | Good | 65.0 ft | 5,100 | 1932 |
| Edgewood Road over Rat Creek | Good | 32.2 ft | 4,750 | 1954 |
| Kishwaukee Valley over N Br Kishwaukee Riv | Good | 123.0 ft | 4,700 | 2010 |
| Il 173 over Piscasaw CR Overflow | Good | 92.5 ft | 4,550 | 2007 |
| Il 173 over Piscasaw Creek | Good | 207.0 ft | 4,550 | 2007 |
| Il 47 over Nippersink Creek | Good | 92.5 ft | 4,400 | 1985 |
| Il 47 over Ditch Trib Of Nipsk | Good | 29.2 ft | 4,400 | 2018 |
| Barnards Mill Road over Nippersink CR | Good | 102.0 ft | 4,200 | 1950 |
| Kishwaukee Valley over Rush Creek Tributary | Good | 43.0 ft | 4,000 | 2021 |
| South Street over US 14 | Good | 191.6 ft | 3,600 | 1958 |
| Riverside Drive over Dutch Creek | Good | 31.2 ft | 3,600 | 2024 |
| Il 23 over I- 90 Jane Adams | Good | 280.8 ft | 3,250 | 2017 |
| Crystal Lake RD over Woods Creek | Good | 35.4 ft | 3,200 | 2006 |
| Alden Road over Stream | Good | 33.1 ft | 3,050 | 1961 |
| Kreutzer Road over S Brnch Kishwkee Rvr | Good | 67.6 ft | 2,650 | 2014 |
| Mason Hill RD over Stream | Good | 22.0 ft | 2,600 | 1967 |
| Ackman RD over Trib Kishwaukee Rvr | Good | 43.6 ft | 2,400 | 2006 |
| Harmony Road over Unnamed Creek | Good | 30.2 ft | 2,350 | 2004 |
| Marengo Road over Mokeler Creek | Good | 33.8 ft | 2,350 | 2014 |
| Bullvalley Rd. over Boone Creek | Good | 58.4 ft | 2,350 | 1991 |
| Alden Road over Br Nippersink Creek | Good | 58.1 ft | 2,300 | 2010 |
| Franklinville RD over Trib Kish River | Good | 64.6 ft | 2,100 | 2016 |
| Franklineville Roa over Kishwaukee River | Good | 71.5 ft | 2,100 | 2014 |
| Oak Street over Crystal CR | Good | 113.5 ft | 1,950 | 1993 |
| Union Road / Cht-6 over S Br Kishwaukee Riv | Good | 149.6 ft | 1,800 | 2011 |
| Deerpass Road over Kish River N Channel | Good | 456.7 ft | 1,650 | 2019 |
| Hilltop Drive over Woods Creek | Good | 56.1 ft | 1,600 | 1985 |
| Ayer Street over Mokeler Creek | Good | 35.4 ft | 1,550 | 2011 |
| Il 31 SB Ent Ramp over Crystal Creek | Good | 149.6 ft | 1,500 | 2013 |
| Harmony Riley Road over Interstate 90 | Good | 316.6 ft | 1,450 | 2014 |
| S. Harrison Street over Crystal Lake Overflo | Good | 86.9 ft | 1,400 | 2023 |
| Keystone Road over Nippersink CR Trib | Good | 24.6 ft | 1,300 | 1990 |
| Il 31 NB Exit Ram over Crystal Creek | Good | 138.5 ft | 1,200 | 2013 |
| County Line RD over Geryune Creek | Good | 26.9 ft | 1,000 | 1959 |
| Obrien Road over Nippersink Creek | Good | 106.0 ft | 850 | 1976 |
| Lawrence RD over Trib Lawrence Creek | Good | 43.0 ft | 850 | 2016 |
| Woods Creek Lane over Woods Creek | Good | 34.1 ft | 800 | 2021 |
| Oak Grove Road over Drainage Ditch | Good | 32.2 ft | 775 | 2018 |
| Allendale Road over Br Nippersink CR | Good | 93.2 ft | 750 | 2009 |
| Hill Road over N Br Nippersink Crk | Good | 112.9 ft | 750 | 2014 |
| Collins Road over Trib N Br Kiswke Rvr | Good | 22.6 ft | 725 | 1968 |
| Tr-155 (justen Rd) over Trib. Fox River | Good | 45.9 ft | 675 | 2018 |
| Hemmingson Road over Trib S Br Kshwke Rvr | Good | 24.9 ft | 500 | 1940 |
| Hemmingson Rd. over S.br.kishwaukee Riv. | Good | 126.3 ft | 500 | 1991 |
| North Union Road over Kishwaukee River | Good | 93.2 ft | 500 | 2019 |
| Jessie Road over Crystal Creek | Good | 28.5 ft | 450 | 2014 |
| Lawrence Road/ch-t over Lawrence Creek | Good | 94.5 ft | 400 | 2011 |
| Graf Road/tr-37 over Lawrence Creek | Good | 99.4 ft | 375 | 2011 |
| Botterman Road over Unamed Trib Coon Crk | Good | 23.6 ft | 350 | 2004 |
| Getty Road over Interstate 90 | Good | 263.1 ft | 275 | 2013 |
| Carmack Road over Rush Creek | Good | 109.3 ft | 250 | 1993 |
| Graf Road over Little Beaver Creek | Good | 29.9 ft | 250 | 2005 |
| Dunham Road/cha-29 over N Br Kishwaukee Riv | Good | 91.9 ft | 250 | 2011 |
| So Union RD over Stream | Good | 26.9 ft | 200 | 1964 |
| Jankowski Rd/ Tr85 over Slough Creek | Good | 51.5 ft | 175 | 1975 |
| Olcott Road over Unnamed Ditch | Good | 22.3 ft | 125 | 2016 |
| Musgrave Parkway over Unamed Trib Coon Crk | Good | 27.6 ft | 100 | 2005 |
| Anthony RD over I 90 | Good | 325.1 ft | 50 | 2015 |