| Ia 3 over Shell Rock River | 1967 | 3,540 | Fair |
| Ia 3 over over Ianr RR | 1967 | 3,540 | Fair |
| Cherry St over Shell Rock River | 1915 | 3,435 | Fair |
| Ia 57 over Beaver Creek | 2003 | 2,480 | Good |
| Ia 57 over Drainage Ditch | 1924 | 2,480 | Fair |
| Ia 57 over Drainage Ditch | 2023 | 2,400 | Good |
| Ia 57 over Phelps Creek | 2017 | 2,400 | Good |
| Ia 3 over Stream | 1967 | 2,390 | Good |
| Ia 14 over Phelps Creek | 2011 | 2,300 | Good |
| Ia 57 over Beaver Creek | 1928 | 2,260 | Fair |
| Ia 57 over Drainage Ditch | 1971 | 2,260 | Fair |
| Ia 57 over Drainage Ditch | 1929 | 2,260 | Fair |
| Ia 188 over Shell Rock River | 1992 | 2,010 | Good |
| Traer St over Shellrock River | 1981 | 1,931 | Fair |
| Traer St over Ovrflw Shell Rock River | 1900 | 1,902 | Poor |
| Ia 14 over Beaver Creek | 1984 | 1,760 | Fair |
| Ia 14 over Cold Water Creek | 2010 | 1,740 | Good |
| Ia 14 over Stream | 1994 | 1,740 | Good |
| Ia 14 over Stream | 1994 | 1,740 | Fair |
| Ia 14 over Shell Rock River | 1967 | 1,520 | Good |
| Ia 14 over Ia Nr RR | 1936 | 1,500 | Fair |
| Cherry St over Drainage | 1900 | 1,429 | Poor |
| Ia 3 over Hartgraves Creek | 1984 | 1,420 | Fair |
| Ia 3 over Hartgraves Crk Overflow | 1957 | 1,420 | Fair |
| Ia 14 over Johnson Creek | 1984 | 1,280 | Good |
| Ia 14 over Br W Fk Cedar River | 1984 | 1,160 | Good |
| Ia 14 over Br W Fork Cedar River | 1984 | 1,160 | Good |
| Ia 14 over Drainage Ditch | 1946 | 1,160 | Fair |
| Ia 14 over W Fk Cedar River | 1984 | 1,160 | Fair |
| Ia 14 over W Fk Cedar River | 1984 | 1,160 | Fair |
| FM over Beaver Creek | 1984 | 1,100 | Good |
| Ia 3 over Boylan Creek | 1927 | 1,080 | Fair |
| Ia 3 over Drainage Ditch | 1951 | 1,080 | Good |
| Ia 3 over Kilson Creek | 2002 | 1,080 | Good |
| Ia 3 over W Fork Cedar River | 2021 | 1,080 | Good |
| Ia 188 over Drainage Ditch | 1962 | 1,020 | Good |
| Ia 188 over Stream | 1962 | 1,020 | Fair |
| Ia 57 over Gran Creek | 2023 | 1,020 | Good |
| C 33 over Small Stream | 1966 | 1,002 | Fair |
| C33 over Dry Run Creek | 2004 | 1,002 | Good |
| C33 over Small Stream | 1966 | 1,002 | Poor |
| FM over Beaver Creek | 2003 | 960 | Good |
| FM over Overflow-beaver Ck | 1994 | 960 | Fair |
| T47 Sinclair Ave over Small Stream | 2014 | 960 | Good |
| FM over Mc Clure Creek | 1999 | 903 | Good |
| T55 Temple Ave over West Fork Cedar River | 2024 | 891 | Good |
| FM over Landphere Creek | 1972 | 890 | Poor |
| FM over West Fork Cedar River | 1964 | 874 | Poor |
| C33 180TH St over Small Stream | 2015 | 805 | Good |
| C33 over Shell Rock River | 1957 | 805 | Fair |
| E South St over Small Stream | 2016 | 779 | Good |
| T64 over Small Stream | 1968 | 776 | Poor |
| T64 over Small Stream | 1968 | 776 | Fair |
| C13 over Flood Creek | 2002 | 727 | Good |
| C13 over Small | 1983 | 727 | Fair |
| C13 over Small Stream | 1900 | 727 | Fair |
| FM over Beaver Creek | 1979 | 679 | Fair |
| FM over West Fork Cedar River | 2003 | 650 | Good |
| FM over Small Stream | 1990 | 638 | Good |
| Sinclair Ave over Small Stream | 2000 | 638 | Good |
| FM over Overflow to W Fork Ced R | 1985 | 619 | Fair |
| FM over West Fork Cedar River | 2003 | 619 | Good |
| C33 over Small Stream | 1993 | 609 | Good |
| FM over Maynes Creek | 1992 | 579 | Good |
| FM over Small Stream | 1992 | 579 | Good |
| Sinclair Ave over Small Stream | 2000 | 579 | Good |
| T16 Douglas Ave over Hartgrave Creek | 2013 | 579 | Good |
| T16 Douglas Ave over Small Stream | 2017 | 579 | Good |
| FM over Small Stream | 1999 | 540 | Good |
| C13 110TH St over Dry Run Creek | 2014 | 530 | Good |
| T25 (hickory Av over Small Stream | 2008 | 530 | Good |
| C13 over Cold Water Creek | 2006 | 511 | Good |
| C23 over Small Stream | 2002 | 511 | Good |
| Douglas Ave. over Small Stream | 1992 | 501 | Good |
| FM over North Beaver Creek | 1985 | 501 | Fair |
| FM over Small Stream | 2009 | 501 | Good |
| T16 (dodge Ave) over Beaver Creek | 2014 | 501 | Good |
| Ia 188 over Drainage Ditch | 1962 | 490 | Good |
| Ia 188 over Dry Run Creek | 1959 | 490 | Fair |
| Ia 188 over Stream | 1900 | 490 | Fair |
| FM over Mc Clure Creek | 1970 | 470 | Poor |
| FM over Small Stream | 1949 | 452 | Fair |
| T43 over Alry Run Creek | 2006 | 442 | Good |
| Arlington St over Br W Fork Cedar River | 2000 | 430 | Good |
| Arlington St over W Fork Cedar River | 2015 | 430 | Good |
| Washington St over Drainage | 2001 | 423 | Good |
| FM over Small Stream | 2003 | 393 | Good |
| T16 (clay Ave) over Boylan Creek | 2012 | 393 | Good |
| FM over Small Stream | 1970 | 373 | Poor |
| FM over Small Stream | 1969 | 373 | Poor |
| FM over West Fork Cedar River | 1970 | 373 | Poor |
| C45 Butler Cntr over Small Stream | 2014 | 363 | Good |
| Yale Ave over Small Stream | 2008 | 334 | Good |
| Co T 16 over Br W Fork Cedar River | 2004 | 320 | Good |
| FM over Kilson Creek | 2005 | 304 | Good |
| FM over Small Stream | 2005 | 304 | Good |
| T47 Packard Ave over Small Stream | 2015 | 304 | Good |
| 180 St over Alry Run Creek | 2000 | 285 | Good |
| T47 over Shell Rock River | 1963 | 285 | Poor |
| FM over Boylan Creek | 2002 | 255 | Fair |
| FM over Beaver Creek | 1998 | 216 | Good |
| FM over Beaver Creek | 2008 | 187 | Good |
| FM over Branch Beaver Creek | 1997 | 187 | Good |
| FM over Beaver Creek | 1987 | 137 | Good |
| T23 Holly Ave over Small Stream | 2018 | 137 | Good |
| Liberty Avenue over Small | 2003 | 118 | Good |
| Walnut Ave over Stream | 2002 | 113 | Good |
| 280TH St over Mcclure Creek | 2011 | 108 | Good |
| Local over Small Stream | 1949 | 91 | Poor |
| Quarry Ave. over Stream | 2010 | 91 | Good |
| Local over Crab Apple Creek | 1985 | 82 | Good |
| Marsh Ave. over Small Stream | 1961 | 82 | Fair |
| FM over Drainage | 1900 | 79 | Fair |
| FM over West Fork Cedar River | 1920 | 79 | Poor |
| Marsh Ave over Small Stream | 2023 | 79 | Good |
| 270TH St over Small Stream | 2019 | 74 | Good |
| Local over Small Stream | 1956 | 74 | Fair |
| 195TH St over Unnamed Creek | 2023 | 73 | Good |
| 300 St over Small | 1979 | 73 | Poor |
| Forest Ave over Beaver Creek | 2018 | 73 | Good |
| Local over Beaver Creek | 2009 | 73 | Good |
| Local over Kilsons Creek | 1987 | 73 | Fair |
| Local over Small Stream | 1996 | 73 | Good |
| FM over Landphere Creek | 1964 | 70 | Poor |
| Local over Small Stream | 1966 | 70 | Poor |
| C 25 170TH St over Small Stream | 2019 | 69 | Good |
| C 25 170TH St over Small Stream | 2019 | 69 | Good |
| Local over Small Stream | 2000 | 69 | Good |
| 245TH St over Small Stream | 2013 | 62 | Good |
| Ivy Ave. over Coldwater Creek | 1977 | 62 | Fair |
| Local over Small Stream | 1994 | 62 | Good |
| Spring Ave. over Small Stream | 1999 | 62 | Good |
| 175TH St over Small Stream | 2004 | 59 | Good |
| 475TH St over Small Stream | 2004 | 59 | Good |
| FM over Beaver Creek | 1980 | 59 | Good |
| FM over Coldwater Creek | 1978 | 59 | Fair |
| Grand Ave. over Small Stream | 2002 | 59 | Good |
| Local over Hartgrave Ck | 1952 | 59 | Poor |
| Local over Hartgrave Creek | 2000 | 59 | Good |
| 150TH St over Stream | 2005 | 51 | Good |
| 180TH St over Sheel Rock River Branch | 1977 | 51 | Fair |
| 310TH Street over Small Stream | 2002 | 51 | Good |
| Jay Ave. over Cold Water Creek | 1983 | 51 | Fair |
| Local over Beaver Creek | 1952 | 51 | Fair |
| Local over Cold Water Creek | 1976 | 51 | Fair |
| Local over Small Stream | 2009 | 51 | Good |
| Local over Small Stream | 1969 | 51 | Poor |
| Local over Small Stream | 1994 | 51 | Good |
| Local over West Fork of Cedar River | 1952 | 51 | Fair |
| 140TH St over Flood Creek | 2009 | 49 | Good |
| 310TH Street over Small | 2005 | 49 | Good |
| FM over Small Stream | 2001 | 49 | Good |
| FM over Small Stream | 1964 | 49 | Poor |
| FM over Stream | 1973 | 49 | Fair |
| Local over Small Stream | 1996 | 49 | Good |
| Local over Small Stream | 2004 | 49 | Good |
| Spring Ave over Unnamed Waterway | 2014 | 49 | Good |
| T47 Pearl Ave over Alry Creek | 2019 | 49 | Good |
| 120TH St over Stream | 1981 | 48 | Poor |
| Local over West Fork Cedar River | 1962 | 47 | Fair |
| Local over Small Stream | 1999 | 45 | Good |
| 230TH St over Small Stream | 2023 | 44 | Good |
| FM over Stream | 1993 | 44 | Fair |
| Local over Coldwater Creek | 1976 | 44 | Fair |
| Local over Kilson Creek | 1997 | 44 | Fair |
| Yale Ave over Stream | 2015 | 44 | Good |
| Camp Comfort over Small Stream | 1936 | 42 | Poor |
| 160TH St over Small Stream | 2022 | 41 | Good |
| 160TH St over Stream | 1990 | 41 | Poor |
| 175TH St over Small Stream | 2022 | 41 | Good |
| 175TH Street over Small | 2004 | 41 | Good |
| Birch Ave over Small Stream | 2014 | 41 | Good |
| Forest Ave over Small Stream | 2020 | 41 | Good |
| Ivy Ave. over Stream | 1998 | 41 | Good |
| Local over Big Marsh | 1994 | 41 | Good |
| Local over Small Stream | 2007 | 41 | Good |
| Local over Small Stream | 1965 | 41 | Poor |
| Local over Small Stream | 2008 | 41 | Good |
| Local over Small Stream | 1995 | 41 | Good |
| Cedar Ave over Beaver Creek | 2023 | 39 | Good |
| Floyd Line St over Stream | 2019 | 39 | Good |
| Keystone Ave. over Stream | 2011 | 39 | Fair |
| Keystone Ave. over Stream | 1964 | 39 | Fair |
| Local over Small Stream | 1991 | 39 | Fair |
| Local over Stream | 2002 | 39 | Good |
| Newell Ave. over Small Stream | 2006 | 39 | Good |
| Local over Small Stream | 1952 | 36 | Fair |
| 120TH St over Small Stream | 2022 | 35 | Good |
| 130TH Street over Small | 2005 | 35 | Good |
| 160TH St over Stream | 1900 | 35 | Fair |
| 185TH St. over Stream | 1900 | 35 | Poor |
| 305TH St over Unnamed Waterway | 2014 | 35 | Good |
| Camp Comfort Rd over Small Stream | 2016 | 35 | Good |
| FM over Small Stream | 1953 | 35 | Poor |
| Local over Maynes Creek | 1993 | 35 | Fair |
| Local over Parmentar Creek | 1987 | 35 | Fair |
| Local over Small Stream | 1953 | 35 | Poor |
| Local over Small Stream | 1989 | 35 | Good |
| Local over Small Stream | 2006 | 35 | Good |
| Oak Ave over Alry Run Creek | 2020 | 35 | Good |
| Oak Ave over Small Stream | 2020 | 35 | Good |
| Ridge Ave. over Small Stream | 1991 | 35 | Good |
| 175TH St over Small Stream | 1988 | 34 | Good |
| 302 Street over Small | 2003 | 34 | Good |
| FM over Small Stream | 1953 | 34 | Fair |
| Newell Ave over Small Stream | 2006 | 34 | Good |
| Vail Ave over Small Stream | 1953 | 34 | Fair |
| Local over Small | 1979 | 31 | Fair |
| Local over Small Stream | 2004 | 31 | Good |
| Local over Small Stream | 1988 | 31 | Fair |
| 120TH St. over Small Stream | 1985 | 30 | Good |
| Evergreen Ave over Johnson Creek | 2010 | 30 | Good |
| Forest Ave over Small Stream | 2000 | 30 | Good |
| Kipling Ave. over Cold Water Creek | 1915 | 30 | Poor |
| Local over Beaver Creek | 2008 | 30 | Good |
| Local over Beaver Creek | 1989 | 30 | Good |
| Local over Small Stream | 1990 | 30 | Fair |
| Local over Small Stream | 1992 | 30 | Good |
| Local over Small Stream | 1997 | 30 | Good |
| Local over Small Stream | 2016 | 30 | Good |
| Local over Small Stream | 1900 | 30 | Good |
| Local over Small Stream | 1992 | 30 | Good |
| Local over Small Stream | 2007 | 30 | Good |
| FM over Boylan Creek | 1967 | 29 | Poor |
| FM over Small Stream | 1997 | 29 | Good |
| Floyd Line St. over Stream | 2001 | 29 | Good |
| Marsh Ave over Palmer Creek | 2023 | 29 | Good |
| Spring Ave over Stream | 1991 | 29 | Good |
| 120TH St over Stream | 2020 | 26 | Good |
| 180TH Street over Small Stream | 2022 | 26 | Good |
| 180TH Street over Small Stream | 2007 | 26 | Good |
| Forest Ave over Coldwater Creek | 2017 | 26 | Good |
| Local over Maynes Creek | 1900 | 26 | Poor |
| Local over Small Stream | 1941 | 26 | Fair |
| Local over Small Stream | 1900 | 26 | Fair |
| Local over Small Stream | 1998 | 26 | Good |
| Marsh Avenue over Small | 2005 | 26 | Good |
| Quail Ave over Flood Creek | 1910 | 26 | Poor |
| Union Ave over Small | 2005 | 26 | Good |
| 220TH St over Unnamed Creek | 2023 | 25 | Good |
| 265TH St over Small Stream | 2018 | 25 | Good |
| 270TH St over Small Stream | 2019 | 25 | Good |
| Liberty Ave over Small Stream | 2016 | 25 | Good |
| Local over Maynes Creek | 1900 | 25 | Fair |
| Local over Small Stream | 1992 | 25 | Good |
| 130TH St over Flood Creek | 2015 | 21 | Good |
| 180TH St over Stream | 2024 | 21 | Good |
| Forest Ave over Parmentar Creek | 2012 | 21 | Fair |
| Forest Ave over Small Stream | 2012 | 21 | Fair |
| Forest Ave over Small Stream | 2011 | 21 | Fair |
| Forest Ave over Small Stream | 2011 | 21 | Fair |
| Local over Beaver Creek | 1910 | 21 | Poor |
| Local over Crab Apple Creek | 1987 | 21 | Poor |
| Local over Small Stream | 2006 | 21 | Good |
| Local over Small Stream | 1966 | 21 | Fair |
| Local over Drainage | 1967 | 20 | Fair |
| Local over Small Stream | 1900 | 20 | Fair |
| Vail Ave over Small Stream | 2022 | 20 | Good |
| 180TH St over Small Stream | 2022 | 16 | Good |
| 250TH St over Small Stream | 2007 | 16 | Good |
| Evergreen Ave over Small Stream | 2012 | 16 | Fair |
| Local over Small Stream | 1967 | 16 | Fair |
| Local over Small Stream | 1900 | 16 | Fair |
| 150TH St over Stream | 1971 | 15 | Fair |
| 230TH St over Kilson Creek | 2023 | 15 | Good |
| Floyd Line St over Flood Creek | 1966 | 15 | Fair |
| Floyd Line St over Small Creek | 2003 | 15 | Good |
| Floyd Line St over Stream | 2019 | 15 | Good |
| Floyd Line St over Stream | 1983 | 15 | Fair |
| Local over Boylan Creek | 1979 | 15 | Fair |
| Local over Small Stream | 1900 | 15 | Fair |
| Local over Small Stream | 2008 | 15 | Good |
| Local over Small Stream | 2000 | 15 | Good |
| Local over Small Stream | 2003 | 15 | Good |
| 105TH St over Stream | 2024 | 11 | Good |
| 180TH St over Small Stream | 2022 | 11 | Good |
| 255TH St over Small Stream | 2019 | 11 | Good |
| Local over Small Stream | 1970 | 11 | Poor |
| Local over Small Stream | 1998 | 11 | Good |
| Local over West Fork Cedar River | 1995 | 11 | Good |
| Silver Ave over Small Stream | 2013 | 11 | Good |
| 185TH St over Dry Creek | 2010 | 10 | Good |
| Floyd Line St over Stream | 1971 | 10 | Good |
| Local over Small Stream | 1961 | 10 | Poor |
| Vail Ave over Small Stream | 2000 | 10 | Good |
| Blue Bird Dr. over Cold Water Creek | 1905 | 5 | Poor |
| Ivy Avenue over Small | 2003 | 5 | Good |