| Ia 5 over Cooper Crek | 2023 | 4,660 | Good |
| Ia 5 over Chariton River | 1963 | 3,470 | Fair |
| Ia 2 over Cooper Creek | 1971 | 3,310 | Good |
| Ia 5 over Dme RR | 1974 | 3,120 | Fair |
| Ia 5 over Drainage Ditch | 1948 | 3,000 | Fair |
| Ia 2 over Chariton River | 1983 | 2,830 | Good |
| Ia 2 over Br Doggett Creek | 1978 | 2,540 | Fair |
| Ia 2 over Dosset Creek | 1989 | 2,540 | Good |
| Ia 2 over Branch Fox Creek | 1987 | 2,450 | Good |
| Ia 5 over Drainage Ditch | 2021 | 2,100 | Good |
| Ia 5 over Shoal Creek | 2021 | 2,100 | Good |
| Ia 2 over Dme RR | 1971 | 2,030 | Fair |
| Ia 2 over Walnut Creek | 1971 | 2,030 | Fair |
| Ia 5 over North Creek | 1950 | 1,400 | Fair |
| Ia 5 over Stream | 2010 | 1,400 | Good |
| Ia 5 over Stream | 1948 | 1,400 | Fair |
| W Cottage over Reservoir Overflow | 1994 | 1,080 | Fair |
| Old Ia 138 over Walnut Creek | 1973 | 1,060 | Poor |
| J 5T over Drainage | 2016 | 990 | Good |
| Old Ia 369 over Center Branch Fox River | 2009 | 990 | Good |
| Old Ia 369 over Drainage Ditch | 2009 | 990 | Good |
| South Street over North Fox Creek | 2009 | 990 | Good |
| T61 (310TH Ave) over Fox River | 2009 | 990 | Good |
| Local Road over Honey Creek | 1968 | 960 | Fair |
| FM over Walnut Creek | 2009 | 920 | Good |
| FM over North Soap Creek | 1968 | 850 | Poor |
| FM over South Soap Creek | 1990 | 850 | Fair |
| FM over Soap Creek | 1970 | 790 | Poor |
| FM over Little Walnut Creek | 2007 | 760 | Good |
| Local over Cooper Creek | 1997 | 680 | Fair |
| FM over Little Walnut Creek | 1967 | 530 | Poor |
| Co Rd P over Manson Branch | 1989 | 477 | Good |
| Local Road over Fork of Rathbun Lake | 1968 | 440 | Fair |
| Local Road over Fork of Rathbun Lake | 1968 | 440 | Fair |
| Local over Cooper Creek | 2006 | 413 | Good |
| 4TH Street over Walnut Creek | 1971 | 226 | Poor |
| Main Street over Walnut Creek | 1999 | 226 | Fair |
| Local over Unnamed Stream | 1976 | 200 | Fair |
| 6TH St over Walnut Creek | 1974 | 160 | Fair |
| FM over Walnut Creek | 1955 | 160 | Poor |
| Local over Stream | 1952 | 135 | Poor |
| FM over Small Stream | 1961 | 130 | Fair |
| Local over Stream | 1996 | 123 | Fair |
| FM over Cooper Creek | 1948 | 120 | Poor |
| FM over Shoal Creek | 1987 | 120 | Good |
| Local over Shoal Creek | 1995 | 113 | Good |
| Local over Stream | 1995 | 113 | Good |
| Local over Cooper Creek | 1956 | 104 | Poor |
| FM over Stream | 1958 | 100 | Poor |
| FM over Stream | 1972 | 100 | Poor |
| Local over Resv. Overflow | 1991 | 91 | Good |
| Local over Small Stream | 1954 | 91 | Poor |
| Local over Soap Creek | 2004 | 91 | Good |
| FM over Cooper Creek | 2001 | 90 | Good |
| FM over Walnut Creek | 2002 | 90 | Good |
| 493RD St over Stream | 2011 | 82 | Good |
| Local over Chariton River | 1999 | 82 | Good |
| FM over Soap Creek | 1956 | 80 | Fair |
| 413TH St over Buck Branch | 1994 | 73 | Good |
| 508TH St over Stream | 2020 | 73 | Good |
| Dewey Rd over Stream | 2018 | 73 | Good |
| Dewey Rd over Stream | 2013 | 73 | Good |
| Local over Kirkendall Creek | 1950 | 73 | Poor |
| Local over Stream | 1992 | 73 | Fair |
| FM over N Shoal Creek | 2002 | 70 | Good |
| FM over Small Stream | 1948 | 70 | Fair |
| FM over Walnut Creek | 1995 | 70 | Good |
| Local over Stream | 1999 | 62 | Good |
| Local over Walnut Creek | 2009 | 62 | Good |
| FM over Stream | 1953 | 60 | Poor |
| Local over Small | 2000 | 60 | Good |
| 150TH Ave over Walnut Creek | 2024 | 53 | Good |
| 170TH Ave over Shoal Creek | 2023 | 51 | Fair |
| J 54 580TH St over Stream | 2024 | 51 | Good |
| Local over Fox Creek | 1948 | 51 | Poor |
| Local over Soap Creek | 1976 | 51 | Fair |
| Local over Stream | 1995 | 51 | Poor |
| Local over Stream | 1900 | 51 | Fair |
| Local over Stream | 1900 | 51 | Poor |
| Local over Stream | 1952 | 51 | Poor |
| Local over Stream | 1952 | 51 | Poor |
| Local over Walnut Creek | 1971 | 51 | Poor |
| T 50 300TH Ave over Indian Creek | 2024 | 51 | Good |
| 470TH St over Walnut & Wolf Branch | 2018 | 50 | Good |
| FM over Chariton River | 1959 | 50 | Poor |
| FM over Indian Creek | 1970 | 50 | Poor |
| FM over Stream | 1953 | 50 | Poor |
| FM over Stream | 1958 | 50 | Poor |
| 302ND Ave over Stream | 2019 | 47 | Good |
| Local over Small Stream | 2001 | 47 | Good |
| Local over Stream | 1977 | 47 | Fair |
| FM over Chariton River | 1960 | 45 | Poor |
| FM over N Branch Soap Creek | 1951 | 45 | Poor |
| FM over N Shoal Creek | 1971 | 45 | Poor |
| FM over Shoal Creek | 1985 | 45 | Fair |
| FM over Stream | 1960 | 45 | Fair |
| FM over Walnut Creek | 2002 | 45 | Good |
| Local over Small Stream | 2010 | 45 | Good |
| 160TH Ave over Honey Creek | 2020 | 41 | Good |
| 236TH Ave over Packard Creek | 2018 | 41 | Good |
| 467TH St over Snort Creek | 2008 | 41 | Good |
| Local over Shoal Creek | 1979 | 41 | Fair |
| Local over Stream | 1979 | 41 | Fair |
| FM over Chariton River | 1956 | 40 | Poor |
| FM over Chariton River | 1957 | 40 | Poor |
| FM over Small Stream | 2001 | 40 | Good |
| J59 610TH St over Spring Creek | 2020 | 40 | Good |
| 150TH Ave over Wolf Branch Creek | 2021 | 35 | Good |
| 437TH St over Small Stream | 2018 | 35 | Good |
| FM over Stream | 1955 | 35 | Poor |
| J59 290TH Ave over Drainage Ditch | 2017 | 35 | Good |
| Local over Fox River | 1987 | 35 | Good |
| Local over Stream | 1954 | 35 | Poor |
| Local over Stream | 1948 | 35 | Poor |
| Local over Stream | 2008 | 35 | Good |
| Local over Walnut Creek | 2006 | 35 | Good |
| 110TH Ave over Walnut Creek | 2024 | 31 | Good |
| 110TH Ave over Cooper Creek | 2021 | 30 | Good |
| 110TH Ave over Cooper Creek | 2020 | 30 | Good |
| 485TH St over Stream | 2012 | 30 | Good |
| 550TH St over Brush Creek | 2022 | 30 | Fair |
| FM over Stream | 1958 | 30 | Poor |
| FM over Walnut Creek | 1925 | 30 | Poor |
| Local over Packard Creek | 2003 | 30 | Good |
| Local over Stream | 1948 | 30 | Poor |
| S74 (155TH Ave) over Shoal Creek | 2012 | 30 | Good |
| 120TH Ave over Cooper Creek | 2013 | 26 | Good |
| 461ST St over Chariton River | 2003 | 26 | Good |
| Local over Fish Branch Creek | 1975 | 26 | Fair |
| Local over Long Branch | 1900 | 26 | Poor |
| Local over Small | 1900 | 26 | Fair |
| Local over Small | 1983 | 26 | Poor |
| Local over Small | 1983 | 26 | Poor |
| Local over Small Stream | 1986 | 26 | Good |
| Local over Small Stream | 1994 | 26 | Fair |
| Local over Stream | 2002 | 26 | Good |
| Local over Wolf Branch Creek | 2002 | 26 | Good |
| FM over Cooper Creek | 1923 | 25 | Poor |
| FM over Long Branch Creek | 1970 | 25 | Fair |
| FM over Stream | 1987 | 25 | Fair |
| J 13 (405TH St) over Small Stream | 2012 | 25 | Good |
| 135TH Ave over Cooper Creek | 2023 | 21 | Good |
| 400TH St over Stream | 2021 | 21 | Good |
| 565TH St over Stream | 2012 | 21 | Good |
| 614TH St over Unnamed Stream | 2022 | 21 | Good |
| Local over Cooper Creek | 2005 | 21 | Fair |
| Local over Cooper Creek | 1972 | 21 | Fair |
| Local over Soap Creek | 2001 | 21 | Good |
| Local over Stream | 1977 | 21 | Fair |
| Local over Stream | 1900 | 21 | Poor |
| Local over Stream | 1900 | 21 | Poor |
| Local over Stream | 1967 | 21 | Poor |
| Local over Walnut Creek | 1964 | 21 | Poor |
| 269TH Ave over Small Creek | 2018 | 20 | Good |
| Local over Buck Branch | 1954 | 16 | Poor |
| Local over Long Branch | 1998 | 16 | Fair |
| Local over Packard Creek | 2006 | 16 | Good |
| Local over Packard Creek | 1900 | 16 | Poor |
| Local over Small Stream | 2009 | 16 | Good |
| Local over Stream | 1999 | 16 | Good |
| Local over Stream | 1979 | 16 | Fair |
| J59 (610TH St) over Stream | 2013 | 15 | Good |
| Local over Stream | 1992 | 15 | Fair |
| 265TH Ave over Stream | 2022 | 11 | Fair |
| 475TH St over Stream | 2002 | 11 | Fair |
| Local over Shoal Creek | 1900 | 11 | Poor |
| Local over Shoal Creek | 1988 | 11 | Good |
| Local over Small Stream | 1999 | 11 | Good |
| Local over Stream | 1920 | 11 | Fair |
| Local over Stream | 1969 | 11 | Poor |
| Local over Stream | 1900 | 11 | Poor |
| Local over Stream | 1998 | 11 | Poor |
| Local over Stream | 1998 | 11 | Poor |
| Local over Stream | 1998 | 11 | Fair |
| Local over Stream | 2000 | 11 | Fair |
| Local over Stream | 1993 | 11 | Fair |
| Local over Unnamed Stream | 2008 | 11 | Good |
| Local over Walnut Creek | 2006 | 11 | Good |
| 100TH Ave over Stream | 1900 | 10 | Poor |
| 100TH Ave over Unnamed Stream | 1976 | 10 | Poor |
| Local over Small Stream | 1987 | 10 | Poor |
| FM over Stream | 1994 | 5 | Good |
| Local over Buzzard Creek | 1988 | 5 | Fair |
| Local over Indian Creek | 1900 | 5 | Poor |
| Local over Stream | 1979 | 5 | Fair |