| I 80 WB over Iowa 21 | Poor | 137.1 ft | 13,300 | 1963 |
| US 6 over Stony Creek | Poor | 102.0 ft | 2,080 | 1954 |
| FM over Buck Creek | Poor | 103.0 ft | 2,000 | 1969 |
| FM over Small Stream | Poor | 102.0 ft | 2,000 | 1969 |
| FM over Little Bear Creek | Poor | 103.0 ft | 770 | 1977 |
| FM over Stream | Poor | 35.1 ft | 750 | 1924 |
| FM over North Walnut Creek | Poor | 116.1 ft | 650 | 1990 |
| FM over Walnut Creek | Poor | 134.8 ft | 650 | 1990 |
| FM over South English River | Poor | 77.1 ft | 480 | 1964 |
| Orchard ST over Little Bear Creek | Poor | 40.0 ft | 340 | 1912 |
| Cleveland ST over Drainage | Poor | 38.1 ft | 200 | 1962 |
| 4th ST over Fleener Creek | Poor | 24.9 ft | 181 | 1917 |
| Local over Big Bear Creek | Poor | 151.9 ft | 161 | 1951 |
| Local over Bear Creek | Poor | 151.9 ft | 140 | 1946 |
| FM over Bear Creek | Poor | 128.0 ft | 130 | 1979 |
| Local over Small | Poor | 24.9 ft | 90 | 1979 |
| FM over Buck Creek | Poor | 25.9 ft | 80 | 1984 |
| Local over Small Stream | Poor | 24.0 ft | 71 | 1978 |
| FM over North Skunk River | Poor | 303.1 ft | 70 | 1958 |
| Local over Stream | Poor | 68.9 ft | 60 | 1953 |
| Local over Stream | Poor | 57.1 ft | 60 | 1952 |
| Local over Bear Creek | Poor | 121.1 ft | 60 | 1950 |
| Local over Big Bear Creek | Poor | 122.0 ft | 60 | 1951 |
| Local over Branch Iowa River | Poor | 40.0 ft | 60 | 1988 |
| FM over Big Bear Creek | Poor | 127.0 ft | 60 | 1955 |
| Local over So English River | Poor | 41.0 ft | 50 | 1980 |
| Local over Small Creek | Poor | 24.9 ft | 50 | 1985 |
| Local over Sugar Creek | Poor | 23.0 ft | 50 | 1923 |
| FM over Big Bear Creek | Poor | 182.1 ft | 50 | 1950 |
| FM over Rock Creek | Poor | 24.9 ft | 50 | 1973 |
| FM over Stream | Poor | 71.9 ft | 45 | 1949 |
| Local over N English River | Poor | 94.2 ft | 45 | 1955 |
| Local over Sugar Creek | Poor | 30.8 ft | 45 | 1980 |
| Local over So English River | Poor | 30.8 ft | 40 | 1980 |
| Local over South English River | Poor | 41.0 ft | 40 | 1974 |
| Local over Stream | Poor | 49.9 ft | 40 | 1975 |
| Local over Walnut Creek | Poor | 152.9 ft | 40 | 1951 |
| Local over Sugar Creek | Poor | 127.0 ft | 34 | 1958 |
| Local over Brush Creek | Poor | 32.2 ft | 34 | 1958 |
| Local over Small Stream | Poor | 44.0 ft | 34 | 1950 |
| Local over North Walnut Creek | Poor | 42.0 ft | 34 | 1951 |
| Local over Stream | Poor | 40.0 ft | 30 | 1965 |
| FM over South English River | Poor | 35.1 ft | 30 | 1990 |
| FM over Moon Creek | Poor | 77.1 ft | 30 | 1952 |
| FM over Deep River | Poor | 42.0 ft | 30 | 1949 |
| FM over Stream | Poor | 25.9 ft | 30 | 1948 |
| Local over North English River | Poor | 41.0 ft | 30 | 1983 |
| Local over Buck Creek | Poor | 24.9 ft | 30 | 1974 |
| FM over Buck Creek | Poor | 49.9 ft | 30 | 1976 |
| Local over Stream | Poor | 42.0 ft | 30 | 1954 |
| Local over North Walnut Creek | Poor | 44.9 ft | 30 | 1955 |
| Local over North Walnut Creek | Poor | 41.0 ft | 30 | 1979 |
| Local over Stream | Poor | 27.9 ft | 30 | 1977 |
| Local over Stream | Poor | 24.0 ft | 30 | 1953 |
| Local over Stream | Poor | 28.9 ft | 26 | 1949 |
| Local over Small | Poor | 66.9 ft | 26 | 1983 |
| Local over Stream | Poor | 24.0 ft | 26 | 1965 |
| Local over Stony Creek | Poor | 26.9 ft | 26 | 1923 |
| Local over Bear Creek | Poor | 147.0 ft | 26 | 1935 |
| Local over Stream | Poor | 25.9 ft | 26 | 1968 |
| Local over Walnut Creek | Poor | 46.9 ft | 26 | 1915 |
| Local over Bear Creek | Poor | 63.0 ft | 26 | 1972 |
| FM over Stream | Poor | 29.9 ft | 25 | 1969 |
| Local over Deep River | Poor | 82.0 ft | 20 | 1983 |
| Local over North English River | Poor | 130.9 ft | 20 | 1951 |
| FM over Stream | Poor | 35.1 ft | 20 | 1948 |
| Local over Little Bear Creek | Poor | 75.1 ft | 20 | 1952 |
| Local over Small Stream | Poor | 23.0 ft | 20 | 1925 |
| Local over Stream | Poor | 24.9 ft | 20 | 1980 |
| Local over South English River | Poor | 41.0 ft | 15 | 1984 |
| Local over Stream | Poor | 26.9 ft | 15 | 1929 |
| Local over Deep River | Poor | 46.9 ft | 15 | 1961 |
| Local over N English River | Poor | 33.1 ft | 15 | 1924 |
| FM over Sugar Creek | Poor | 36.1 ft | 15 | 1982 |
| FM over Small Stream | Poor | 22.0 ft | 15 | 1948 |
| Local over Stony Creek | Poor | 38.1 ft | 15 | 1971 |
| Local over Stream | Poor | 24.0 ft | 15 | 1959 |
| Local over Small | Poor | 24.9 ft | 15 | 1978 |
| Local over Walnut Creek | Poor | 64.0 ft | 15 | 1924 |
| Local over Walnut Creek | Poor | 33.1 ft | 15 | 1928 |
| Local over Stream | Poor | 24.0 ft | 15 | 1973 |
| Local over Stream | Poor | 33.1 ft | 11 | 1920 |
| Local over Stream | Poor | 24.0 ft | 11 | 1964 |
| Local over Stream | Poor | 24.0 ft | 11 | 1959 |
| Local over Stream | Poor | 26.9 ft | 11 | 1918 |
| Local over Stream | Poor | 24.0 ft | 11 | 1968 |
| Local over Small | Poor | 24.9 ft | 11 | 1979 |
| Local over Stream | Poor | 34.1 ft | 11 | 1956 |
| Local over Stream | Poor | 24.0 ft | 11 | 1968 |
| Local over Stream | Poor | 24.0 ft | 11 | 1967 |
| Local over Stream | Poor | 24.0 ft | 11 | 1981 |
| Local over Stream | Poor | 39.0 ft | 11 | 1971 |
| FM over Stream | Poor | 25.9 ft | 10 | 1984 |
| FM over Small Stream | Poor | 24.9 ft | 10 | 1968 |
| Local over Walnut Creek | Poor | 43.0 ft | 5 | 1926 |
| I-80 over N.fk. English River | Fair | 33.1 ft | 28,500 | 1963 |
| I-80 over No Fork English River | Fair | 24.9 ft | 28,500 | 1963 |
| EB I-80 over 50th Street | Fair | 113.8 ft | 14,250 | 1963 |
| WB I-80 over 50th Street | Fair | 113.8 ft | 14,000 | 1963 |
| EB I-80 over SR V18 | Fair | 137.1 ft | 13,600 | 1963 |
| EB I-80 over US 63 | Fair | 227.0 ft | 13,550 | 1964 |
| I 80 EB over Iowa 21 | Fair | 137.1 ft | 13,550 | 1963 |
| WB I-80 over SR V18 | Fair | 137.1 ft | 13,350 | 1963 |
| WB I 80 over US 63 | Fair | 227.0 ft | 13,300 | 1964 |
| US 6 over Stream | Fair | 24.9 ft | 3,030 | 1951 |
| US 63 over North English River | Fair | 132.9 ft | 2,700 | 1985 |
| Ia 146 over Up Rr & West Creek | Fair | 305.1 ft | 2,250 | 1986 |
| US 63 over Little Bear Creek | Fair | 132.9 ft | 2,130 | 1993 |
| FM over Stream | Fair | 151.9 ft | 2,000 | 1969 |
| US 63 over Big Bear Creek | Fair | 146.0 ft | 1,820 | 1978 |
| Ia 21 over Stream | Fair | 24.0 ft | 1,730 | 1962 |
| Ia 21 over North English River | Fair | 183.1 ft | 1,730 | 1962 |
| US 6 & Ia 21 over Rock Creek | Fair | 127.0 ft | 1,640 | 1956 |
| US 63 over Stream | Fair | 24.6 ft | 1,530 | 1922 |
| Ia 21 over Tributary English River | Fair | 133.9 ft | 1,490 | 1985 |
| Ia 21 over Tributary English River | Fair | 112.9 ft | 1,490 | 1985 |
| Ia 146 over North Skunk River | Fair | 324.1 ft | 1,310 | 1958 |
| Ia 21 over Wolf Creek | Fair | 40.0 ft | 1,300 | 1962 |
| Ia 85 over Drainage Ditch | Fair | 32.2 ft | 800 | 1957 |
| FM over North English River | Fair | 128.9 ft | 640 | 1997 |
| FM over Deep River | Fair | 90.9 ft | 640 | 1997 |
| FM over Stream | Fair | 21.0 ft | 410 | 1958 |
| Webster ST over Little Bear Creek | Fair | 122.0 ft | 133 | 1960 |
| Local over Little Bear Creek | Fair | 30.8 ft | 120 | 1982 |
| FM over Small Stream | Fair | 24.9 ft | 100 | 1969 |
| FM over Big Bear Creek | Fair | 127.0 ft | 100 | 1983 |
| FM over North English River | Fair | 103.0 ft | 90 | 1972 |
| Local over Stream | Fair | 41.0 ft | 80 | 1977 |
| FM over N English River | Fair | 128.0 ft | 70 | 1979 |
| FM over Buck Creek | Fair | 103.0 ft | 60 | 1977 |
| FM over Walnut Creek | Fair | 127.0 ft | 60 | 1962 |
| Local over Stream | Fair | 23.0 ft | 50 | 2003 |
| Local over Small Creek | Fair | 25.9 ft | 50 | 1985 |
| FM over Rock Creek | Fair | 39.0 ft | 50 | 1975 |
| Local over Branch Iowa River | Fair | 29.9 ft | 50 | 1951 |
| 350th AVE over Stream | Fair | 23.0 ft | 50 | 1953 |
| Local over Bear Creek | Fair | 102.0 ft | 50 | 1970 |
| FM over Small | Fair | 41.0 ft | 45 | 1978 |
| FM over Big Bear Creek | Fair | 127.0 ft | 45 | 1955 |
| FM over Walnut Creek | Fair | 127.0 ft | 45 | 1984 |
| FM over Stream | Fair | 23.0 ft | 45 | 2000 |
| FM over North Skunk River | Fair | 212.9 ft | 40 | 1997 |
| Local over North English River | Fair | 127.0 ft | 40 | 1984 |
| FM over North English River | Fair | 131.9 ft | 40 | 1957 |
| FM over Small Stream | Fair | 38.1 ft | 35 | 1971 |
| FM over Stream | Fair | 30.8 ft | 35 | 1987 |
| Local over Stream | Fair | 24.0 ft | 34 | 1953 |
| T60 100th ST over I-80 | Fair | 214.9 ft | 30 | 1963 |
| FM over Stream | Fair | 24.9 ft | 30 | 1956 |
| Local over Stream | Fair | 24.0 ft | 30 | 1960 |
| Local over Stream | Fair | 24.0 ft | 30 | 1968 |
| FM over Little Bear Creek | Fair | 103.0 ft | 30 | 1977 |
| FM over Stream | Fair | 58.1 ft | 30 | 1956 |
| Local over Walnut Creek | Fair | 131.9 ft | 30 | 1955 |
| Local over South English River | Fair | 32.2 ft | 26 | 1953 |
| Local over Stream | Fair | 44.9 ft | 26 | 1959 |
| Local over Sugar Creek | Fair | 127.0 ft | 26 | 1984 |
| Local over N English River | Fair | 154.9 ft | 26 | 1960 |
| Local over Stream | Fair | 24.0 ft | 26 | 1963 |
| Local over Small Stream | Fair | 24.9 ft | 26 | 1986 |
| FM over Stream | Fair | 29.9 ft | 25 | 1995 |
| Local over Deep River | Fair | 61.0 ft | 20 | 1961 |
| FM over Stream | Fair | 41.0 ft | 20 | 1975 |
| FM over North English River | Fair | 167.0 ft | 20 | 1987 |
| Local over North English River | Fair | 127.0 ft | 20 | 1985 |
| FM over Small Stream | Fair | 30.8 ft | 20 | 1940 |
| Local over Bear Creek | Fair | 103.0 ft | 20 | 1979 |
| FM over Stream | Fair | 39.0 ft | 20 | 1962 |
| Local over Stream | Fair | 22.0 ft | 15 | 2002 |
| Local over Small Stream | Fair | 24.9 ft | 15 | 1987 |
| Local over Stream | Fair | 24.0 ft | 15 | 1957 |
| Local over Stream | Fair | 24.0 ft | 11 | 1958 |
| FM over Stream | Fair | 24.9 ft | 10 | 2006 |
| FM over Walnut Creek | Fair | 45.9 ft | 10 | 1991 |
| Local over Stream | Fair | 32.2 ft | 5 | 1977 |
| Local over Rock Creek | Fair | 46.9 ft | 5 | 1955 |
| Local over Bear Creek | Fair | 128.0 ft | 5 | 1988 |
| I 80 WB over Up Rr | Good | 242.1 ft | 14,000 | 2023 |
| I 80 EB over Ia 146 | Good | 250.0 ft | 13,450 | 2020 |
| I 80 EB over Up Rr | Good | 222.1 ft | 13,350 | 2020 |
| I 80 WB over Ia 146 | Good | 250.0 ft | 13,100 | 2023 |
| Clay ST over Little Bear Creek | Good | 142.1 ft | 2,648 | 2002 |
| Clay ST over Over Iais Rr | Good | 184.1 ft | 2,648 | 2002 |
| Ia 146 over Bear Creek | Good | 170.9 ft | 2,490 | 2005 |
| US 6 over Bear Creek | Good | 175.5 ft | 2,080 | 2008 |
| V18 175th ST over Bear Creek | Good | 202.1 ft | 2,010 | 2023 |
| US 63 over Walnut Creek | Good | 128.9 ft | 1,820 | 1978 |
| Ia 21 over Deep River | Good | 166.0 ft | 1,730 | 1962 |
| US 63 over Moon Creek | Good | 138.1 ft | 1,530 | 1985 |
| F62 over Sugar Creek | Good | 141.1 ft | 1,170 | 2023 |
| Ia 21 over Bear Creek | Good | 225.1 ft | 800 | 1962 |
| FM over Cub Creek | Good | 29.9 ft | 750 | 1994 |
| FM over Big Bear Creek | Good | 128.0 ft | 340 | 2002 |
| Mills ST over Little Bear Creek | Good | 141.1 ft | 270 | 2011 |
| 20th ST over Iais Rr | Good | 160.1 ft | 200 | 2018 |
| Local over Stream | Good | 24.9 ft | 200 | 1956 |
| SR T-58 over I-80 | Good | 216.9 ft | 170 | 1963 |
| East 156th ST N over Small Stream | Good | 43.0 ft | 131 | 1999 |
| 400th AVE over Stream | Good | 49.9 ft | 100 | 2020 |
| Local over Stream | Good | 49.9 ft | 100 | 2006 |
| V30 240th ST over I-80 | Good | 221.1 ft | 90 | 1963 |
| V21 (202nd St) over Deep River | Good | 112.9 ft | 80 | 2013 |
| FM over Big Bear Creek | Good | 164.0 ft | 70 | 1988 |
| 512th AVE over Buck Creek | Good | 112.9 ft | 60 | 2015 |
| Local over Sugar Creek | Good | 23.0 ft | 60 | 2007 |
| 460th AVE over English Creek | Good | 49.9 ft | 60 | 2023 |
| FM over Walnut Creek | Good | 127.0 ft | 60 | 2000 |
| Forest Home RD over Stream | Good | 29.9 ft | 60 | 2021 |
| SR 200th Street over I-80 | Good | 215.9 ft | 50 | 1963 |
| FM over Cub Creek | Good | 23.0 ft | 50 | 2006 |
| Local over Branch Iowa River | Good | 44.0 ft | 50 | 1951 |
| FM over Little Bear Creek | Good | 123.0 ft | 45 | 2008 |
| Local over Big Bear Creek | Good | 128.0 ft | 45 | 1991 |
| FM over Small | Good | 31.2 ft | 45 | 1983 |
| Local over Walnut Creek | Good | 103.0 ft | 45 | 1989 |
| FM over Stream | Good | 23.0 ft | 40 | 2006 |
| 370th AVE over Stony Creek | Good | 130.9 ft | 40 | 2022 |
| Local over Walnut Creek | Good | 115.2 ft | 34 | 2004 |
| 430th AVE over Stream | Good | 23.0 ft | 31 | 2022 |
| FM over South English River | Good | 41.0 ft | 30 | 2002 |
| 420th AVE over Br North English River | Good | 49.9 ft | 30 | 2023 |
| FM over Little Bear Creek | Good | 153.9 ft | 30 | 2007 |
| Local over Little Bear Creek | Good | 115.2 ft | 30 | 2003 |
| FM over Walnut Creek | Good | 167.0 ft | 30 | 1983 |
| Local over N English River | Good | 109.9 ft | 26 | 2008 |
| Local over Stream | Good | 21.0 ft | 26 | 2006 |
| 110th ST over Little Bear Creek | Good | 101.0 ft | 26 | 2021 |
| 70th ST over Stream | Good | 24.0 ft | 26 | 2020 |
| 145th ST over I-80 | Good | 221.1 ft | 20 | 1963 |
| Local over Deep River | Good | 87.9 ft | 20 | 2010 |
| Local over Little Bear Creek | Good | 127.0 ft | 20 | 1985 |
| Local over Little Bear Creek | Good | 49.9 ft | 20 | 2004 |
| 230th ST over Walnut Creek | Good | 100.1 ft | 20 | 2009 |
| V 21 (200th St) over North English River | Good | 132.9 ft | 15 | 2012 |
| 142nd ST over Stream | Good | 44.0 ft | 15 | 2002 |
| 400th ST over Branch Iowa River | Good | 20.0 ft | 15 | 2014 |
| T58 80th ST over Walnut Creek | Good | 25.9 ft | 15 | 2022 |
| Local over Deep River | Good | 115.2 ft | 11 | 2004 |
| 505th AVE over East Buck Creek | Good | 69.9 ft | 11 | 2022 |
| Local over Buck Creek | Good | 35.1 ft | 11 | 2006 |
| 180th ST over Stream | Good | 66.9 ft | 10 | 2016 |
| 510th AVE over Moon Creek | Good | 30.8 ft | 5 | 2022 |
| 180th ST over Stream | Good | 22.0 ft | 5 | 2019 |