| US 218 over Drainage Ditch | 2012 | 18,700 | Good |
| Ia 116 over Dry Run Creek | 2015 | 14,800 | Good |
| US 218 over Drainage Ditch | 2001 | 10,900 | Good |
| SB US 218 over Cedar River | 1993 | 9,700 | Fair |
| US 218 over Trib to Shell Rock River | 1996 | 9,700 | Good |
| NB US 218 over Cedar River | 1993 | 9,500 | Fair |
| US 63 NB over over Abandon RR | 1978 | 8,700 | Fair |
| Ia 3 over Cedar River | 1950 | 8,300 | Fair |
| US 218 over Trib-shell Rock River | 1996 | 8,300 | Fair |
| Ia 3 over Dry Run Creek | 2016 | 8,200 | Good |
| US 218 over Drainage Ditch | 2001 | 7,900 | Good |
| US 218 over Trib. to Cedar River | 2002 | 7,900 | Good |
| US 63 over Quarter Section Run | 2010 | 6,400 | Good |
| Ia 3 over Drainage Ditch | 1967 | 6,100 | Fair |
| Ia 3 over Drainage Ditch | 1967 | 5,400 | Good |
| 12TH St NW over Drainage | 1962 | 5,095 | Fair |
| US 218 SB over Overflow Ave Saints Lake | 1996 | 4,950 | Good |
| US 218 NB over Ovrflw Ave Saints Lake | 1996 | 4,850 | Good |
| C 50 Barrick Rd over US 218 | 2012 | 4,815 | Good |
| US 218 Ia 27 SB over 150TH St | 2001 | 4,450 | Good |
| US 218 Ia 27 NB over 150TH St | 2001 | 4,350 | Good |
| Ia 93 over Stream | 1936 | 4,300 | Fair |
| Ia 3 over Baskins Creek | 1996 | 4,160 | Good |
| Adams Pkwy over Cedar River | 1968 | 3,666 | Fair |
| SB US 218 over Ia 3 | 1996 | 3,600 | Good |
| NB US 218 over Ia 3 | 1996 | 3,550 | Good |
| Ia 3 over US 63 | 2011 | 3,490 | Good |
| NB US 63 over Quarter Section Run Crk. | 1994 | 2,950 | Good |
| US 63 NB over Crane Creek | 2010 | 2,950 | Good |
| 5TH Ave NW over Small Stream | 2016 | 2,918 | Good |
| Ia 116 SB over US 218 | 1997 | 2,900 | Good |
| SB US 63 over Quarter Section Run | 1994 | 2,900 | Fair |
| US 63 SB over Crane Creek | 1957 | 2,900 | Fair |
| Fayette St over Quarter Section Run | 1994 | 2,877 | Good |
| Ia 3 over Crains Creek | 1958 | 2,830 | Fair |
| Ia 3 over Quarter Section Run | 2010 | 2,830 | Good |
| US 63 NB over Wapsipinicon River | 2008 | 2,800 | Good |
| US 63 SB over Wapsipinicon River | 2008 | 2,800 | Good |
| NB US 63 over Fayette St | 1994 | 2,550 | Good |
| SB US 63 over Fayette St | 1994 | 2,500 | Fair |
| Ia 93 over Drainage Ditch | 1954 | 2,130 | Fair |
| 35TH St NW over over Abandon RR | 1978 | 2,108 | Fair |
| FM over Quarter Section Run Ck | 2001 | 2,023 | Fair |
| Ia 3 over Buck Creek | 2018 | 1,960 | Good |
| Ia 3 over Drainage Ditch | 1929 | 1,960 | Fair |
| Ia 3 over Wapsipinicon Overflow | 1990 | 1,960 | Good |
| Ia 3 over Wapsipinicon River | 1940 | 1,960 | Fair |
| 210TH St over Drainage Ditch | 1966 | 1,650 | Fair |
| Ia 93 over Crane Creek | 1976 | 1,430 | Fair |
| Ia 93 over Drainage Ditch | 1976 | 1,430 | Good |
| State Street over Quarter Section Run Crk | 1969 | 1,339 | Fair |
| Ia 93 over E Br Wapsipiniconriver | 1976 | 1,250 | Good |
| Ia 93 over Plumb Creek | 1976 | 1,250 | Fair |
| 190TH St over Quarter Section Run | 1948 | 1,188 | Poor |
| 190TH St over Baskins Creek | 1971 | 1,149 | Poor |
| Ia 93 over Wapsipinicon River | 1977 | 1,140 | Fair |
| Ia 93 over Wapsipinicon River Ovflw | 1977 | 1,140 | Fair |
| Ia 188 over US 218 | 2002 | 1,090 | Good |
| Viking Ave over Stream | 2001 | 1,090 | Good |
| 190TH St over Stream | 1945 | 1,041 | Fair |
| Ia 93 over Buck Creek | 1977 | 1,030 | Fair |
| C33 190TH St over Cedar River | 2015 | 1,002 | Good |
| Ia 188 over Cedar River | 1971 | 930 | Good |
| Ia 188 over Cedar River Overflow | 1952 | 930 | Fair |
| Ia 188 over Horton Creek | 1987 | 930 | Good |
| Ia 188 over Two Mile Creek | 1979 | 930 | Fair |
| 210TH St over US 218 | 1996 | 894 | Good |
| Viking Av over Buck Creek | 1958 | 854 | Poor |
| Viking Av over Creek | 2005 | 854 | Good |
| FM 260TH St over Crain Creek | 1965 | 776 | Poor |
| 180TH St over Stream | 2002 | 766 | Good |
| Easton Av over Stream | 2006 | 766 | Good |
| 190TH St over Buck Creek | 1976 | 727 | Poor |
| 190TH St over Overflow | 1975 | 727 | Fair |
| 190TH St over Wapsipinicon River | 1976 | 727 | Poor |
| Ia 188 over Crane Creek | 1926 | 710 | Fair |
| Walnut St over Little Wapsipinicon Rvr | 1968 | 707 | Poor |
| FM over Small | 1989 | 687 | Fair |
| Joplin Rd over Small Stream | 1987 | 687 | Fair |
| 212TH St over Stream | 1966 | 638 | Poor |
| 212TH St over Stream | 1998 | 638 | Good |
| Alley-6th St SW over Dry Run Creek | 1986 | 599 | Fair |
| 190TH St over Crane Creek | 1981 | 589 | Fair |
| Reed Av over Stream | 1968 | 540 | Poor |
| 5TH Ave SW over Dry Run Creek | 2015 | 501 | Good |
| 250TH St over Baskins Creek | 1955 | 462 | Fair |
| 260TH St over Creek | 1934 | 432 | Fair |
| FM 252ND St over Flood Plain of Wapsi R | 1985 | 432 | Fair |
| FM 252ND St over Wapsipinicon River | 1985 | 432 | Fair |
| FM 120TH St over Wapsipinicon River | 1950 | 393 | Fair |
| FM 252ND St over Buck Creek | 1972 | 334 | Fair |
| FM 252ND St over Stream | 1972 | 334 | Fair |
| 3RD Ave NW over Dry Run Creek | 2016 | 330 | Good |
| 12TH St SE over Creek | 1968 | 320 | Fair |
| 1ST Ave NW over Dry Run Creek | 2015 | 283 | Good |
| 4TH Ave SW over Small Stream | 2015 | 283 | Good |
| FM 260TH St over Quarter Sec Run | 1939 | 275 | Poor |
| Garden Ave over Small Stream | 2000 | 275 | Good |
| W 5TH St over Drainage | 1955 | 275 | Poor |
| Division St over Little Wapsipinicon Rive | 2023 | 254 | Good |
| 3RD Ave SW over Dry Run Creek | 2015 | 253 | Good |
| Garden Ave over Creek | 2011 | 235 | Good |
| 212TH St over Dry Run Creek | 1977 | 226 | Poor |
| Atlas Rd over Shell Rock River | 1959 | 226 | Poor |
| V14 Easton Ave over Horton Creek | 2021 | 226 | Good |
| 218 SB to 116 NB over US 218 | 1997 | 220 | Good |
| Grand Ave over Stream | 2022 | 216 | Good |
| 240TH St over Creek | 1929 | 196 | Poor |
| 240TH Street over US 218 | 1997 | 196 | Good |
| West 3RD Street over Drainage | 1954 | 195 | Poor |
| FM 260TH St over Baskins Creek | 1976 | 187 | Fair |
| C28 165TH St over Waterway | 2018 | 177 | Good |
| FM over Wapsipinicon River | 1998 | 177 | Good |
| Yukon Av over Little Wapsi | 1970 | 177 | Fair |
| Yukon Ave over Creek | 1948 | 177 | Fair |
| 2ND St SW over Small Stream | 2015 | 173 | Good |
| 270TH St over Stream | 1994 | 148 | Fair |
| Cedar River Pkwy over Cedar River | 2019 | 144 | Good |
| Wapsie St over Small Stream | 1997 | 142 | Good |
| Hilton Ave over Bike Trail | 1995 | 137 | Good |
| 270TH St over Quarter Section Run | 1951 | 118 | Fair |
| Local 240TH St over Stream | 2003 | 118 | Good |
| 5TH Ave NE over Drainage Ditch | 2016 | 113 | Good |
| 130TH St over Stream | 2001 | 108 | Fair |
| 160TH St over Stream | 2006 | 108 | Good |
| 165TH St over Wapsipinican Overflow | 2009 | 108 | Good |
| 250TH St over Quarter Section Run | 1995 | 97 | Fair |
| Badger Ave over Waterway | 1992 | 97 | Fair |
| Hawthorne Av over Baskins CR | 1995 | 97 | Fair |
| Dakota Ave over Creek | 2005 | 88 | Fair |
| Dakota Ave over Dry Run Creek | 1992 | 88 | Fair |
| Dakota Ave over Horton Creek | 2002 | 88 | Good |
| FM 265TH St over Shell Rock Rvr Overflow | 2001 | 88 | Good |
| FM 265TH St over Waterway | 2001 | 88 | Good |
| FM over Shell Rock River | 1994 | 88 | Good |
| Midway Ave over Stream | 2012 | 88 | Good |
| 160TH St over Stream | 1997 | 78 | Fair |
| Ivory Ave over Baskins Creek | 2003 | 78 | Fair |
| Ivory Ave over Quarter Section Run CR | 2019 | 78 | Good |
| 110TH St over Little Wapsipicon River | 2013 | 70 | Good |
| 220TH St over Stream | 2011 | 70 | Good |
| 248TH St over Creek | 2007 | 70 | Good |
| Local over Crane Creek | 2004 | 70 | Good |
| 120TH St over Little Wapsipinicon Rvr | 2003 | 69 | Good |
| 120TH St over Stream | 2003 | 69 | Good |
| Ivy Ave over Small Stream | 1950 | 69 | Fair |
| V43 over Waterway | 2006 | 69 | Good |
| V43 over Waterway | 2007 | 69 | Good |
| 150TH St over Horton CR | 1967 | 59 | Poor |
| 180TH St over Quarter Section Run | 1993 | 59 | Fair |
| 250TH St over Stream | 2016 | 59 | Good |
| FM over E.fk Wapsipinicon River | 1955 | 59 | Poor |
| Ivanhoe St over River | 1961 | 59 | Fair |
| Local 170TH over Small Stream | 1997 | 59 | Fair |
| Local over Creek | 1996 | 59 | Fair |
| Midway Ave over Stream | 2001 | 59 | Good |
| Midway Ave over Stream | 2012 | 59 | Good |
| Navaho Ave over Crane Creek | 1994 | 59 | Fair |
| Sable Ave over Stream | 2010 | 59 | Good |
| 110TH St over Buck Creek | 2004 | 49 | Good |
| 110TH St over Stream | 1995 | 49 | Fair |
| 120TH St over Horton Creek | 2004 | 49 | Fair |
| 150TH St over Quarter Section Run | 1954 | 49 | Fair |
| 160TH St over Quarter Section Run CR | 1992 | 49 | Poor |
| 165TH St over Buck Creek | 1998 | 49 | Good |
| 180TH St over Buck Creek | 1998 | 49 | Good |
| 180TH St over Crane Creek | 1964 | 49 | Poor |
| 180TH St over Creek | 2015 | 49 | Good |
| 210TH St over Crane Creek | 1992 | 49 | Good |
| 210TH St over Ditch | 1925 | 49 | Poor |
| 220TH St over Quarter Section Run | 2007 | 49 | Good |
| 250TH St over Crane Creek | 1994 | 49 | Fair |
| 250TH St over Crane Creek Overflow | 2016 | 49 | Fair |
| 270TH St over Stream | 2014 | 49 | Good |
| 270TH St over Stream | 2000 | 49 | Good |
| Killdeer Ave over Quarter Section Run | 2022 | 49 | Good |
| Local over Baskins Creek | 2005 | 49 | Good |
| Midway Ave over Crane Creek | 2022 | 49 | Good |
| Yukon Ave over Buck Creek | 2013 | 49 | Good |
| 150TH St over Dry Run Creek | 2004 | 44 | Good |
| 200TH St over Creek | 2014 | 44 | Good |
| 200TH St over Quarter Section Run | 2015 | 44 | Good |
| 210TH St over Quarter Section Run | 1991 | 44 | Good |
| Bishop Av over Stream | 2005 | 44 | Good |
| East Marquis Rd over Small Stream | 2017 | 44 | Good |
| Piedmont Ave over Crane Creek | 1951 | 44 | Fair |
| 120TH St over Creek | 2008 | 39 | Good |
| 120TH St over Plum Creek | 2008 | 39 | Good |
| 150TH St over Baskins CR | 1969 | 39 | Fair |
| 160TH St over Little Wapsipinicon Rvr | 1996 | 39 | Fair |
| 180TH St over Baskin CR | 2000 | 39 | Fair |
| 195TH St over Creek | 1915 | 39 | Poor |
| 240TH St over Stream | 2018 | 39 | Fair |
| 310TH St over Stream | 2022 | 39 | Good |
| 310TH St over Wapsipinicon River | 1985 | 39 | Fair |
| Butler Av over Creek | 1968 | 39 | Poor |
| Butler Rd over Creek | 2002 | 39 | Good |
| C26 170TH St over Stream | 2015 | 39 | Good |
| Hawthorne Ave over Stream | 2022 | 39 | Good |
| Local 220TH St over Stream | 2007 | 39 | Good |
| Local over Small | 2005 | 39 | Good |
| Navaho Ave over Waterway | 2015 | 39 | Good |
| Vintage Av over Stream | 2010 | 39 | Good |
| Yukon Av over River | 1956 | 39 | Poor |
| 110TH St over Small | 2009 | 33 | Fair |
| 110TH St over Stream | 1997 | 33 | Fair |
| 130TH St over Crains Creek | 2012 | 33 | Good |
| 130TH St over Dry Run Creek | 1996 | 33 | Fair |
| 130TH St over Horton Creek | 2020 | 33 | Good |
| 150TH St over Buck Creek | 1992 | 33 | Good |
| 150TH St over Crains Creek | 2012 | 33 | Good |
| 150TH St over L Wapsipinicon River | 2012 | 33 | Good |
| 160TH St over Baskins Creek | 1961 | 33 | Poor |
| 160TH St over Buck Creek | 1960 | 33 | Fair |
| 160TH St over Stream | 1998 | 33 | Fair |
| 200TH St over Baskins Creek | 2003 | 33 | Fair |
| 310TH St over Creek | 1978 | 33 | Poor |
| 310TH St over Horton Creek | 2011 | 33 | Fair |
| 310TH St over Two Mile Creek | 2019 | 33 | Good |
| Whitetail Ave over Creek | 2020 | 33 | Good |
| 110TH St over Horton Creek | 1995 | 29 | Fair |
| 130TH St over Stream | 1962 | 29 | Fair |
| 170TH St over Buck Creek | 2015 | 29 | Good |
| 170TH St over Stream | 1998 | 29 | Good |
| 210TH St over Buck Creek | 1921 | 29 | Poor |
| 215TH St over Wapsipinicon River | 1969 | 29 | Poor |
| 260TH St over Buck Creek | 1977 | 29 | Fair |
| Fairview Ave over Creek | 2011 | 29 | Good |
| Fairview Ave over Horton Creek | 2002 | 29 | Fair |
| Garden Ave over Horton Creek | 1996 | 29 | Fair |
| Hawthorne Av over Baskins CR | 2000 | 29 | Fair |
| Hawthorne Av over Baskins CR | 2001 | 29 | Fair |
| Hawthorne Av over Stream | 2002 | 29 | Good |
| 110TH St over Plum Creek | 1997 | 26 | Fair |
| 110TH St over Plum Crekk | 2001 | 26 | Good |
| 120TH St over Stream | 1997 | 26 | Good |
| 180TH St over Little Wapsipinicon | 2002 | 26 | Fair |
| 200TH St over Buck Creek | 1970 | 26 | Poor |
| 240TH St over Crane Creek | 1995 | 26 | Fair |
| Elk Ave over Stream | 2005 | 26 | Good |
| Joplin Ave over Quarter Section Run | 1993 | 26 | Fair |
| Killdeer Ave over Creek | 2006 | 26 | Good |
| Usher Av over Buck Creek | 1961 | 26 | Fair |
| FM over Stream | 1993 | 25 | Fair |
| 120TH St over Dry Run Creek | 1960 | 20 | Poor |
| 130TH St over Buck Creek | 2019 | 20 | Good |
| 160TH St over Creek | 1997 | 20 | Good |
| 200TH St over Crane Creek | 1998 | 20 | Good |
| 270TH St over Crane Creek | 1900 | 20 | Poor |
| 270TH St over Wapsipinicon Rvr Ovrflw | 2018 | 20 | Good |
| Euclid Av over Stream | 1998 | 20 | Good |
| Killdeer Av over Crains CR | 2009 | 20 | Good |
| Oakland Ave over Stream | 1994 | 20 | Fair |
| Oakland Ave over Trib to Crane Creek | 2022 | 20 | Good |
| Piedmont Ave over Stream | 2006 | 20 | Good |
| Usher Ave over Creek | 1994 | 20 | Fair |
| Usher Ave over Stream | 2004 | 20 | Good |
| Vintage Av over Stream | 2003 | 20 | Good |
| 120TH St over Buck Creek | 1917 | 15 | Poor |
| 200TH St over Small | 2010 | 15 | Good |
| 236TH St over Buck Creek | 1957 | 15 | Poor |
| Butler Av over Creek | 1996 | 15 | Fair |
| Garden Ave over Small Stream | 1951 | 15 | Fair |
| Local over Small | 2010 | 15 | Good |
| 270TH St over Wapsipicon Rvr Overflow | 2023 | 11 | Good |
| Bishop Rd over Creek | 2018 | 11 | Good |
| C38 Tahoe Av over Stream | 2020 | 5 | Good |