| Ia 78 over Stream | Poor | 21.0 ft | 1,190 | 1937 |
| Old Ia 77 over Richland Creek | Poor | 183.1 ft | 620 | 1932 |
| Co RD W15 over Small Stream | Poor | 29.9 ft | 620 | 1932 |
| FM over Crooked Creek | Poor | 82.0 ft | 500 | 1964 |
| FM over Dme Rr | Poor | 118.1 ft | 200 | 1936 |
| FM over Stream | Poor | 40.0 ft | 160 | 1930 |
| FM over Stream | Poor | 44.0 ft | 100 | 1948 |
| FM over Stream | Poor | 25.9 ft | 100 | 1982 |
| FM over Stream | Poor | 94.2 ft | 80 | 1951 |
| FM over Stream | Poor | 29.9 ft | 80 | 1966 |
| FM over Stream | Poor | 24.0 ft | 80 | 1966 |
| FM over Stream | Poor | 42.0 ft | 60 | 1939 |
| Local over Stream | Poor | 42.0 ft | 50 | 1967 |
| Local over Cedar Creek | Poor | 83.0 ft | 46 | 1952 |
| FM over Stream | Poor | 68.9 ft | 35 | 1956 |
| FM over Rock Creek | Poor | 82.0 ft | 35 | 1956 |
| Local over Coal Creek | Poor | 44.9 ft | 34 | 1967 |
| Local over S Fork English River | Poor | 152.9 ft | 34 | 1953 |
| Local RD over South Fork English River | Poor | 120.1 ft | 31 | 1960 |
| Local over Crooked Creek | Poor | 44.9 ft | 30 | 1952 |
| FM over Stream | Poor | 44.0 ft | 30 | 1950 |
| FM over Stream | Poor | 40.0 ft | 30 | 1972 |
| Local over Stream | Poor | 32.2 ft | 30 | 1971 |
| Local over Stream | Poor | 38.1 ft | 26 | 1969 |
| Local over Trib S Fork Eng River | Poor | 62.0 ft | 26 | 1951 |
| Local over S Fork English River | Poor | 40.0 ft | 26 | 1970 |
| Local Road over Stream | Poor | 40.0 ft | 20 | 1968 |
| FM over English River | Poor | 152.9 ft | 20 | 1960 |
| Local over Coal Creek | Poor | 56.1 ft | 15 | 1948 |
| FM over S Fork English River | Poor | 174.9 ft | 15 | 1954 |
| Local over Steady Run Creek | Poor | 42.0 ft | 11 | 1979 |
| 260th ST over Stream | Poor | 29.9 ft | 11 | 1938 |
| Loc RD Class B over Stream | Poor | 24.0 ft | 11 | 1970 |
| Local over Unnamed Stream | Poor | 36.1 ft | 11 | 1971 |
| Local over Trib S Fk English River | Poor | 30.8 ft | 11 | 1972 |
| Local over Drainage Ditch | Poor | 44.0 ft | 11 | 1983 |
| Local over Cedar Creek | Poor | 42.0 ft | 5 | 1979 |
| Ia 92 over Rock Creek | Fair | 127.0 ft | 3,400 | 1964 |
| Ia 92 & 149 over Bridge Creek | Fair | 132.9 ft | 3,110 | 1967 |
| Ia 149 over North Skunk River | Fair | 387.1 ft | 2,540 | 1986 |
| Ia 21 over Coal Creek | Fair | 48.9 ft | 2,300 | 1969 |
| Ia 23 over Stream | Fair | 28.9 ft | 1,980 | 1976 |
| Ia 21 over Stream | Fair | 24.9 ft | 1,950 | 1940 |
| Ia 21 over Cedar Creek | Fair | 122.0 ft | 1,880 | 1948 |
| Ia 92 over German Creek | Fair | 130.9 ft | 1,880 | 1967 |
| Ia 92 over Cedar Creek | Fair | 183.1 ft | 1,840 | 1964 |
| Ia 149 over So.fork English River | Fair | 221.1 ft | 1,760 | 1987 |
| Ia 92 over Clear Creek | Fair | 174.9 ft | 1,690 | 1967 |
| Ia 78 over Stream | Fair | 103.0 ft | 1,590 | 1947 |
| Ia 21 over English River | Fair | 149.9 ft | 1,490 | 1984 |
| Ia 149 over Stream | Fair | 25.9 ft | 1,450 | 1976 |
| Ia 78 over Richland Creek | Fair | 42.0 ft | 1,190 | 1938 |
| Ia 149 over South Skunk River | Fair | 517.1 ft | 1,190 | 1986 |
| FM over Stream | Fair | 134.8 ft | 780 | 1988 |
| Ia 21 over Sugar Creek | Fair | 98.1 ft | 630 | 1989 |
| Ia 21 over South Skunk River | Fair | 482.0 ft | 630 | 1989 |
| FM over Trib S Fork English Rvr | Fair | 32.2 ft | 460 | 1987 |
| FM over South Skunk River | Fair | 544.9 ft | 220 | 1969 |
| FM Co.rt V67 over Small Stream | Fair | 107.0 ft | 220 | 1974 |
| FM over Rock Creek | Fair | 80.1 ft | 200 | 1968 |
| FM over Stream | Fair | 29.9 ft | 200 | 1965 |
| Section ST over Coal Creek | Fair | 82.0 ft | 90 | 1964 |
| FM over Stream | Fair | 42.0 ft | 90 | 1996 |
| Local over Cedar Creek | Fair | 81.0 ft | 90 | 1976 |
| FM over Stream | Fair | 83.0 ft | 80 | 1973 |
| FM over S Fork English River | Fair | 180.1 ft | 80 | 1974 |
| Local over Stream | Fair | 55.1 ft | 71 | 1998 |
| Local RD over Smith Creek | Fair | 50.9 ft | 71 | 1997 |
| FM over Stream | Fair | 25.9 ft | 70 | 1950 |
| 290th AVE over Richland Creek | Fair | 25.9 ft | 60 | 1992 |
| FM over South Skunk River | Fair | 545.9 ft | 60 | 1966 |
| FM over Clear Creek | Fair | 63.0 ft | 60 | 1994 |
| Local over Cedar Creek | Fair | 120.1 ft | 60 | 1983 |
| Local over Stream | Fair | 29.9 ft | 60 | 1969 |
| Local over Clear Creek | Fair | 82.0 ft | 50 | 1966 |
| FM over Rock Creek | Fair | 142.1 ft | 50 | 1979 |
| Local over Rock Creek | Fair | 50.9 ft | 50 | 1998 |
| FM over Stream | Fair | 103.0 ft | 50 | 1963 |
| FM over Stream | Fair | 44.0 ft | 45 | 1957 |
| FM over Stream | Fair | 80.1 ft | 45 | 1954 |
| Local over Stream | Fair | 24.9 ft | 45 | 1964 |
| FM over German Creek | Fair | 127.0 ft | 41 | 1979 |
| Local RD over Crooked Creek | Fair | 39.0 ft | 40 | 1997 |
| Local over German Creek | Fair | 127.0 ft | 40 | 1979 |
| FM over Unnamed Stream | Fair | 49.9 ft | 40 | 1976 |
| FM over Cedar Creek | Fair | 55.1 ft | 40 | 1930 |
| FM over Stream | Fair | 50.9 ft | 35 | 1955 |
| FM over Trib S Fk English River | Fair | 102.0 ft | 35 | 1978 |
| FM over Trib S Fk English River | Fair | 35.1 ft | 35 | 2004 |
| Local over Unnamed Stream | Fair | 24.0 ft | 34 | 1967 |
| FM over Stream | Fair | 32.2 ft | 31 | 1997 |
| FM over Stream | Fair | 32.2 ft | 30 | 1950 |
| Local over Stream | Fair | 36.1 ft | 30 | 1971 |
| Local over Stream | Fair | 22.0 ft | 30 | 1960 |
| FM over Stream | Fair | 38.1 ft | 30 | 1948 |
| Local over Creek | Fair | 38.1 ft | 30 | 1947 |
| FM over Stream | Fair | 103.0 ft | 30 | 1977 |
| Local over Stream | Fair | 29.9 ft | 26 | 1955 |
| Local over Stream | Fair | 53.1 ft | 26 | 1990 |
| Local over Trib S Fork English Rvr | Fair | 43.0 ft | 26 | 1951 |
| Local over Small | Fair | 32.2 ft | 25 | 1979 |
| Local over Stream | Fair | 20.0 ft | 20 | 1950 |
| Local over Unnamed Creek | Fair | 21.0 ft | 20 | 1989 |
| FM over Stream | Fair | 62.0 ft | 20 | 1948 |
| Local over German Creek | Fair | 24.9 ft | 20 | 1990 |
| Local over Unnamed Stream | Fair | 32.2 ft | 20 | 1954 |
| Local over Stream | Fair | 38.1 ft | 20 | 1977 |
| Local over Stream | Fair | 54.1 ft | 20 | 1953 |
| Local over Trib S Fork English Rvr | Fair | 58.1 ft | 20 | 1996 |
| Local over Stream | Fair | 46.9 ft | 15 | 1994 |
| Local over Stream | Fair | 24.9 ft | 15 | 1972 |
| Local over Small | Fair | 102.0 ft | 15 | 1980 |
| Local over Stream | Fair | 40.0 ft | 15 | 1990 |
| Local RD over Stream | Fair | 42.0 ft | 15 | 1939 |
| Local over Stream | Fair | 60.0 ft | 15 | 2006 |
| Local over Cedar Creek | Fair | 58.1 ft | 15 | 1994 |
| Local over Trib Coal Creek | Fair | 42.0 ft | 15 | 1979 |
| Local Road over Small Stream | Fair | 22.0 ft | 15 | 1992 |
| 150th AVE over South Fork English River | Fair | 146.0 ft | 15 | 2018 |
| Local over Stream | Fair | 38.1 ft | 11 | 1950 |
| Local over Stream | Fair | 24.9 ft | 11 | 1971 |
| Local RD over Crooked Creek | Fair | 21.0 ft | 11 | 1968 |
| Local over Stream | Fair | 39.0 ft | 11 | 1941 |
| Local(dead End) over Trib S Fk English River | Fair | 40.0 ft | 11 | 1996 |
| Local over Rock Creek | Fair | 102.0 ft | 5 | 1978 |
| Ia 78 over Dme Rr | Good | 475.7 ft | 1,590 | 2023 |
| Ia 21 over North Skunk River | Good | 381.9 ft | 830 | 1988 |
| V 5g over Richland Creek | Good | 25.9 ft | 730 | 2010 |
| FM over Stream | Good | 116.1 ft | 680 | 2001 |
| Co RD W15 over Skunk River Overflow | Good | 128.0 ft | 620 | 2004 |
| Co RD W15 over Skunk River | Good | 622.0 ft | 620 | 2004 |
| W15 330th AVE over Stream | Good | 112.9 ft | 500 | 2015 |
| V44 190th AVE over S Fork English River | Good | 191.9 ft | 460 | 2021 |
| G29 170th ST over Coal Creek | Good | 98.1 ft | 370 | 2015 |
| V67 280th AVE over North Skunk River | Good | 471.1 ft | 220 | 2014 |
| FM over Richland Creek | Good | 118.1 ft | 200 | 2007 |
| FM over South Skunk River | Good | 596.1 ft | 200 | 1982 |
| FM over Bridge Creek | Good | 142.1 ft | 190 | 1997 |
| Briney ST over Coal Creek | Good | 116.1 ft | 168 | 2004 |
| Washington ST over Coal Creek | Good | 100.1 ft | 150 | 2004 |
| FM over Clear Creek | Good | 115.2 ft | 110 | 2004 |
| Local over Crooked Creek | Good | 116.1 ft | 90 | 1994 |
| 180th AVE over South Fork English River | Good | 191.9 ft | 90 | 2019 |
| FM over Stream | Good | 54.1 ft | 80 | 2002 |
| Local over Stream | Good | 44.9 ft | 80 | 1999 |
| 318th AVE over S Fork English River | Good | 246.1 ft | 80 | 2014 |
| G29 170th ST over Stream | Good | 73.2 ft | 71 | 2019 |
| FM over Stream | Good | 128.0 ft | 70 | 2001 |
| Local Road over South Fork English River | Good | 194.9 ft | 60 | 2001 |
| FM over Steady Run Creek | Good | 42.0 ft | 50 | 2005 |
| FM over Stream | Good | 32.2 ft | 50 | 2006 |
| FM over English River | Good | 167.0 ft | 50 | 2002 |
| FM over Stream | Good | 141.7 ft | 45 | 2004 |
| FM over Stream | Good | 79.1 ft | 45 | 2010 |
| FM over Unnamed Stream | Good | 49.9 ft | 45 | 2003 |
| Local over Rock Creek | Good | 116.1 ft | 45 | 1993 |
| Local over Bridge Creek | Good | 142.1 ft | 45 | 1992 |
| Local over Trib S Fork English Rvr | Good | 24.9 ft | 45 | 1987 |
| FM over North Skunk River | Good | 555.1 ft | 45 | 1986 |
| Local over Stream | Good | 50.9 ft | 40 | 2017 |
| 195th ST over Coal Creek | Good | 101.0 ft | 40 | 2017 |
| FM over Stream | Good | 32.2 ft | 40 | 1992 |
| FM over Creek | Good | 24.9 ft | 35 | 1990 |
| FM over English River | Good | 103.0 ft | 35 | 2006 |
| Local over Stream | Good | 21.0 ft | 34 | 2004 |
| Local over Stream | Good | 22.0 ft | 34 | 2003 |
| FM over Stream | Good | 55.1 ft | 31 | 2007 |
| Local over Stream | Good | 24.0 ft | 30 | 1993 |
| Local over Small | Good | 38.1 ft | 30 | 1979 |
| 180th ST over Unnamed Stream | Good | 90.9 ft | 30 | 2016 |
| Local over Stream | Good | 92.8 ft | 26 | 2003 |
| 150th AVE over Coal Creek | Good | 103.0 ft | 26 | 2017 |
| FM over Stream | Good | 79.1 ft | 25 | 2001 |
| FM over Stream | Good | 60.0 ft | 25 | 2002 |
| FM over German Creek | Good | 143.0 ft | 25 | 2009 |
| 305th ST over Richland Creek | Good | 126.0 ft | 20 | 2020 |
| FM over Trib S. Fork English Riv | Good | 116.1 ft | 20 | 2004 |
| 120th Street over Trib S Fork English Rvr | Good | 24.0 ft | 20 | 2002 |
| Local over Stream | Good | 128.0 ft | 15 | 2005 |
| 230th ST over Stream | Good | 104.0 ft | 15 | 2019 |
| Local over Stream | Good | 40.0 ft | 15 | 1967 |
| Local over Stream | Good | 38.1 ft | 15 | 1999 |
| Local over Stream | Good | 40.0 ft | 11 | 1990 |