| I 90 over Rose Creek | Poor | 44.6 ft | 13,166 | 1959 |
| I 90 over N Fk Bear Creek | Poor | 21.0 ft | 10,728 | 1961 |
| US 218 over I 90 | Poor | 180.8 ft | 3,900 | 1959 |
| Msas 134 over Dobbins Creek | Poor | 100.1 ft | 3,700 | 1932 |
| Csah 14 over Upper Iowa River | Poor | 148.0 ft | 1,400 | 1955 |
| Mn 56 over Stream | Poor | 39.0 ft | 1,357 | 1940 |
| Csah 7 over Little Cedar River | Poor | 81.4 ft | 1,300 | 1975 |
| Csah 28 over Cedar River | Poor | 184.1 ft | 960 | 1959 |
| Csah 25 over Cedar River | Poor | 200.1 ft | 949 | 1968 |
| Csah 4 over Rose Creek | Poor | 93.2 ft | 560 | 1973 |
| Csah 29 over Rose Creek | Poor | 151.6 ft | 530 | 1966 |
| Csah 13 over I 90 | Poor | 223.8 ft | 375 | 1960 |
| Csah 7 over N Br Root River | Poor | 75.1 ft | 285 | 1968 |
| Csah 7 over Stream | Poor | 81.4 ft | 285 | 1967 |
| Pvt 103 over Dobbins Creek | Poor | 31.8 ft | 250 | 1959 |
| Csah 20 over I 90 | Poor | 201.1 ft | 250 | 1960 |
| Csah 13 over Deer Creek | Poor | 93.2 ft | 90 | 1977 |
| Csah 9 over N Br Upper Iowa River | Poor | 25.6 ft | 65 | 1974 |
| M 3 over Schwerin Creek | Poor | 24.0 ft | 50 | 1936 |
| T 68 over Woodbury Creek | Poor | 49.9 ft | 49 | 1965 |
| CR 59 over Rose Creek | Poor | 53.1 ft | 45 | 1931 |
| T 18 over Rose Creek | Poor | 100.1 ft | 29 | 1976 |
| T 146 over Ditch | Poor | 20.3 ft | 23 | 1923 |
| T 124 over Stream | Poor | 33.1 ft | 20 | 1917 |
| CR 60 over Rose Creek | Poor | 58.1 ft | 20 | 1931 |
| T 128 over Rose Creek | Poor | 53.5 ft | 8 | 1917 |
| T 150 over Robinson Creek | Poor | 53.1 ft | 4 | 1917 |
| T 263 over Stream | Poor | 26.9 ft | 4 | 1926 |
| I 90 over Rose Creek | Fair | 45.6 ft | 13,166 | 1959 |
| I 90 over Cedar River | Fair | 174.9 ft | 11,649 | 1958 |
| I 90 over Rose Creek | Fair | 30.5 ft | 10,400 | 1960 |
| I 90 over 6th ST NE | Fair | 121.4 ft | 9,340 | 1958 |
| I 90 over 6th ST NE | Fair | 121.4 ft | 9,340 | 1958 |
| Msas 139 over Cedar River | Fair | 154.9 ft | 9,200 | 1932 |
| US 218 over I 90 | Fair | 191.6 ft | 6,601 | 1966 |
| US 218 over I 90 | Fair | 191.6 ft | 6,600 | 1966 |
| Mn 105 over Turtle Creek | Fair | 133.9 ft | 5,698 | 1957 |
| US 218 over Ditch | Fair | 24.9 ft | 5,130 | 1927 |
| US 218 over Murphy Creek | Fair | 22.6 ft | 5,130 | 1965 |
| US 218 over Ditch | Fair | 23.0 ft | 4,200 | 1927 |
| US 218 over Ditch | Fair | 22.6 ft | 4,200 | 1927 |
| US 63 over Deer Creek | Fair | 137.1 ft | 4,170 | 1969 |
| US 63 over Bear Creek | Fair | 142.7 ft | 4,170 | 1969 |
| US 218 over Rose Creek | Fair | 253.0 ft | 3,946 | 1983 |
| Msas 105 over Cedar River | Fair | 212.3 ft | 3,800 | 1979 |
| Msas 117 over Cedar River | Fair | 200.5 ft | 3,400 | 1971 |
| Msas 121 over Cedar River | Fair | 172.9 ft | 3,300 | 1960 |
| Mn 56 over Dobbins Creek | Fair | 40.0 ft | 2,900 | 1932 |
| Mn 56 over Wolf Creek | Fair | 33.1 ft | 2,900 | 1932 |
| Mn 56 over Stream | Fair | 26.9 ft | 2,900 | 1955 |
| Mn 56 over I 90 | Fair | 201.1 ft | 2,900 | 1959 |
| Csah 29 over Cedar River | Fair | 178.1 ft | 2,750 | 1933 |
| US 218 over Stream | Fair | 22.0 ft | 2,701 | 1929 |
| Mn 16 over Deer Creek | Fair | 234.3 ft | 2,550 | 1977 |
| Mn 56 over Rose Creek | Fair | 64.0 ft | 2,533 | 1950 |
| Mn 56 over Little Cedar River | Fair | 82.0 ft | 2,263 | 2015 |
| Mn 56 over Stream | Fair | 23.0 ft | 2,175 | 1929 |
| Mn 56 over Stream | Fair | 40.0 ft | 2,175 | 1955 |
| Csah 8 over S Fk Bear Creek | Fair | 103.0 ft | 1,950 | 1995 |
| Mn 16 over I 90 | Fair | 279.5 ft | 1,724 | 1961 |
| CR 61 over Dobbins Creek | Fair | 106.6 ft | 1,700 | 1973 |
| Msas 129 over Red Cedar River | Fair | 247.0 ft | 1,550 | 1966 |
| Csah 8 over N Fk Bear Creek | Fair | 75.1 ft | 1,500 | 1970 |
| Mn 56 over Stream | Fair | 22.0 ft | 1,357 | 1940 |
| Mn 56 over N Br Upper Iowa River | Fair | 32.5 ft | 1,357 | 1940 |
| Mn 56 over N Br Upper Iowa River | Fair | 69.6 ft | 1,357 | 1983 |
| Csah 14 over Little Iowa River | Fair | 75.5 ft | 1,200 | 1968 |
| Csah 12 over Stream | Fair | 44.3 ft | 1,100 | 1977 |
| Msas 107 over Cedar River | Fair | 211.9 ft | 1,000 | 1968 |
| Mn 56 over Upper Iowa River | Fair | 306.8 ft | 977 | 1992 |
| Mn 56 over Trib To Upper Iowa R | Fair | 42.0 ft | 977 | 1992 |
| Csah 14 over S Br Root River | Fair | 36.1 ft | 880 | 2001 |
| Csah 12 over Upper Iowa River | Fair | 158.5 ft | 875 | 1977 |
| Csah 8 over Deer Creek | Fair | 55.1 ft | 760 | 2008 |
| Csah 6 over Stream | Fair | 31.2 ft | 750 | 1994 |
| Csah 6 over Cedar River | Fair | 219.2 ft | 730 | 1953 |
| Csah 8 over Upper Iowa River | Fair | 129.9 ft | 600 | 2004 |
| Csah 1 over Stream | Fair | 35.8 ft | 560 | 2000 |
| Csah 4 over Rose Creek | Fair | 63.0 ft | 560 | 1957 |
| Csah 19 over Stream | Fair | 44.3 ft | 560 | 1978 |
| CR 61 over Wolf Creek | Fair | 56.8 ft | 550 | 1985 |
| Csah 1 over I 90 | Fair | 267.7 ft | 545 | 1961 |
| Csah 6 over Otter Creek | Fair | 93.2 ft | 520 | 1974 |
| Csah 6 over Stream | Fair | 26.2 ft | 520 | 1998 |
| Csah 6 over Woodbury Creek | Fair | 33.5 ft | 520 | 1999 |
| Csah 19 over Rose Creek | Fair | 81.4 ft | 480 | 1965 |
| Csah 24 over Dobbins Creek | Fair | 41.3 ft | 475 | 2005 |
| Csah 25 over Trib To Cedar River | Fair | 20.3 ft | 445 | 2000 |
| Csah 6 over Little Cedar River | Fair | 134.2 ft | 405 | 1982 |
| T 128 over Trib Of N Br Root R | Fair | 29.2 ft | 401 | 2003 |
| T 127 over Trib Of N Br Root R | Fair | 29.2 ft | 401 | 2003 |
| Csah 13 over Rose Creek | Fair | 62.3 ft | 375 | 2009 |
| Csah 16 over Wolf Creek | Fair | 26.2 ft | 350 | 2005 |
| Mn 105 over Roberts Crk(jd Ditch 77) | Fair | 27.6 ft | 324 | 1995 |
| Csah 46 over Stream | Fair | 57.4 ft | 295 | 2014 |
| Csah 4 over Cedar River | Fair | 203.1 ft | 290 | 1965 |
| Csah 7 over N Br Root River | Fair | 81.4 ft | 285 | 1977 |
| Csah 7 over Stream | Fair | 32.8 ft | 285 | 2011 |
| Csah 11 over Little Iowa River | Fair | 24.9 ft | 280 | 1998 |
| Csah 25 over Cedar River | Fair | 146.7 ft | 275 | 2010 |
| Csah 15 over Robinson Creek | Fair | 30.5 ft | 270 | 1998 |
| Csah 15 over I 90 | Fair | 273.3 ft | 270 | 1961 |
| Csah 4 over Orchard Creek | Fair | 83.7 ft | 260 | 2001 |
| Csah 5 over Woodbury Creek | Fair | 30.2 ft | 260 | 1939 |
| Csah 2 over Bear Creek | Fair | 81.4 ft | 250 | 1972 |
| Csah 20 over Rose Creek | Fair | 42.0 ft | 250 | 2000 |
| Csah 5 over Cedar River | Fair | 216.9 ft | 235 | 2007 |
| Csah 11 over N Br Upper Iowa River | Fair | 48.6 ft | 210 | 1998 |
| Csah 20 over N Br Root River | Fair | 40.4 ft | 190 | 2009 |
| T 46 over Trib Of Cedar R | Fair | 29.9 ft | 161 | 2003 |
| M 418 over Turtle Creek | Fair | 202.1 ft | 150 | 1974 |
| Csah 19 over Dobbins Creek | Fair | 108.9 ft | 120 | 1979 |
| Csah 19 over I 90 | Fair | 208.0 ft | 120 | 1963 |
| CR 55 over Stream | Fair | 46.6 ft | 100 | 1980 |
| T 50 over Woodbury Creek | Fair | 131.2 ft | 90 | 1978 |
| T 289 over Ditch | Fair | 23.6 ft | 90 | 1917 |
| Csah 4 over Stream | Fair | 25.9 ft | 75 | 1978 |
| T 159 over Cedar River | Fair | 225.4 ft | 72 | 1977 |
| T 90 over Rose Creek | Fair | 145.7 ft | 60 | 1989 |
| T 107 over Deer Creek | Fair | 93.2 ft | 57 | 1973 |
| T 225 over Deer Creek | Fair | 106.0 ft | 56 | 1979 |
| T 328 over N Br Root River | Fair | 131.6 ft | 55 | 1973 |
| T 112 over Deer Creek | Fair | 81.0 ft | 54 | 1987 |
| T 173 over Stream | Fair | 24.0 ft | 54 | 1936 |
| T 151 over Deer Creek | Fair | 93.2 ft | 50 | 1976 |
| T 176 over Robinson Creek | Fair | 29.9 ft | 50 | 2000 |
| M 3 over Murphy Creek | Fair | 27.9 ft | 50 | 2007 |
| T 141 over Roberts Creek | Fair | 147.3 ft | 49 | 1979 |
| T 284 over Bear Creek | Fair | 116.8 ft | 49 | 1996 |
| T 128 over N Br Root River | Fair | 25.9 ft | 49 | 2008 |
| T 296 over Trib To Dobbins Creek | Fair | 40.4 ft | 49 | 2008 |
| T 298 over N Br Dobbins Creek | Fair | 36.7 ft | 49 | 2009 |
| T 56 over Stream | Fair | 27.2 ft | 49 | 2011 |
| T 201 over Stream | Fair | 35.1 ft | 49 | 2013 |
| T 267 over Roberts Creek | Fair | 48.2 ft | 49 | 2014 |
| T 29 over Stream | Fair | 51.5 ft | 49 | 2014 |
| T 335 over Carys Creek | Fair | 140.4 ft | 47 | 1981 |
| T 296 over Wolf Creek | Fair | 23.0 ft | 47 | 1996 |
| T 225 over Stream | Fair | 26.2 ft | 47 | 2007 |
| M 14 over Stream | Fair | 44.6 ft | 47 | 1994 |
| T 221 over S Fk Bear Creek | Fair | 54.1 ft | 46 | 1991 |
| T 249 over Bear Creek | Fair | 63.3 ft | 45 | 1974 |
| T 53 over Otter Creek | Fair | 124.3 ft | 45 | 1976 |
| T 69 over Stream | Fair | 41.7 ft | 45 | 1988 |
| T 54 over Rose Creek | Fair | 128.0 ft | 43 | 2000 |
| T 237 over Upper Iowa River | Fair | 119.4 ft | 40 | 1981 |
| T 284 over Bear Creek | Fair | 129.6 ft | 40 | 1995 |
| T 199 over Stream | Fair | 25.9 ft | 40 | 1976 |
| T 104 over Bear Creek | Fair | 121.7 ft | 38 | 1978 |
| T 385 over Dobbins Crk | Fair | 27.6 ft | 38 | 2000 |
| T 56 over Stream | Fair | 38.1 ft | 38 | 1988 |
| T 12 over S Br Root River | Fair | 117.5 ft | 37 | 1993 |
| T 359 over Stream | Fair | 45.6 ft | 36 | 1986 |
| T 44 over Stream | Fair | 26.6 ft | 34 | 1986 |
| T 110 over Carys Creek | Fair | 39.0 ft | 34 | 1985 |
| T 138 over Ditch | Fair | 34.4 ft | 33 | 1982 |
| T 266 over Roberts Creek | Fair | 123.0 ft | 32 | 1979 |
| T 48 over Little Cedar River | Fair | 202.4 ft | 32 | 1985 |
| T 523 over Stream | Fair | 62.7 ft | 31 | 1979 |
| T 146 over Ditch | Fair | 20.7 ft | 30 | 1917 |
| T 47 over 585th AVE (twp 47) | Fair | 48.9 ft | 30 | 2004 |
| T 251 over Cedar River | Fair | 124.3 ft | 29 | 1973 |
| T 247 over N Br Root River | Fair | 81.4 ft | 28 | 1974 |
| T 94 over Stream | Fair | 33.8 ft | 28 | 1985 |
| T 107 over Jud Ditch # 1 | Fair | 39.7 ft | 28 | 1988 |
| T 228 over S Br Root River | Fair | 51.5 ft | 25 | 2004 |
| T 27 over Upper Iowa River | Fair | 47.6 ft | 25 | 1978 |
| T 27 over Upper Iowa River | Fair | 35.8 ft | 25 | 1986 |
| T 240 over Jud Ditch # 1 | Fair | 30.8 ft | 25 | 1994 |
| T 228 over Little Iowa River | Fair | 22.0 ft | 25 | 1916 |
| T 257 over Turtle Creek | Fair | 148.6 ft | 24 | 1979 |
| T 179 over Stream | Fair | 68.9 ft | 24 | 1979 |
| T 92 over Rose Creek | Fair | 106.0 ft | 24 | 1994 |
| T 313 over Otter Creek | Fair | 90.9 ft | 24 | 1992 |
| T 131 over N Br Root River | Fair | 29.2 ft | 24 | 1993 |
| T 114 over Carys Creek | Fair | 28.5 ft | 24 | 1994 |
| T 208 over Stream | Fair | 26.6 ft | 22 | 1980 |
| T 49 over Woodbury Creek | Fair | 30.5 ft | 21 | 1921 |
| T 250 over Ditch | Fair | 22.3 ft | 20 | 1917 |
| T 319 over Orchard Creek | Fair | 75.1 ft | 20 | 1974 |
| T 124 over Stream | Fair | 62.0 ft | 20 | 2001 |
| T 25 over Little Iowa River | Fair | 29.2 ft | 20 | 2001 |
| T 125 over Stream | Fair | 39.4 ft | 19 | 1983 |
| T 242 over Deer Creek | Fair | 47.9 ft | 16 | 1995 |
| T 157 over Rose Creek | Fair | 32.2 ft | 12 | 2002 |
| T 130 over N Br Dobbins Creek | Fair | 53.5 ft | 12 | 1979 |
| Loc 1 over Wolf Creek | Fair | 22.3 ft | 10 | 2007 |
| T 279 over Little Cedar River | Fair | 99.4 ft | 8 | 1987 |
| T 220 over Stream | Fair | 25.9 ft | 8 | 1926 |
| Pvt 111 over N Br Upper Iowa R | Fair | 38.1 ft | 5 | 1940 |
| Con 2589 over I 90 | Good | 260.8 ft | 27,200 | 2010 |
| I 90 over Dobbins Creek | Good | 32.8 ft | 18,300 | 2009 |
| I 90 EB over Cedar River | Good | 177.8 ft | 11,649 | 2024 |
| I 90 over 12 AVE Nw; Turtle Creek | Good | 197.5 ft | 8,350 | 2009 |
| I 90 over 12 AVE Nw; Turtle Creek | Good | 197.5 ft | 8,350 | 2010 |
| Msas 139 over Dobbins Creek | Good | 125.0 ft | 6,900 | 2016 |
| Mn 105 over Turtle Creek | Good | 155.8 ft | 5,777 | 1988 |
| Mn 105 over I 90 | Good | 272.0 ft | 5,777 | 2024 |
| Msas 144 over I 90 | Good | 181.1 ft | 4,400 | 2017 |
| Csah 45 over Murphy Creek | Good | 22.3 ft | 3,850 | 2010 |
| Mn 56 over Stream | Good | 31.5 ft | 2,900 | 1972 |
| Mn 16 over Stream | Good | 26.9 ft | 2,550 | 2019 |
| Mn 56 over Stream | Good | 77.1 ft | 2,182 | 2015 |
| Mn 56 over Roberts Creek | Good | 33.5 ft | 2,175 | 1955 |
| Csah 16 over Wolf Creek | Good | 40.7 ft | 1,950 | 2017 |
| Mn 16 over Unnamed Stream | Good | 41.7 ft | 1,724 | 2019 |
| Mn 16 over Unnamed Stream | Good | 26.9 ft | 1,724 | 2019 |
| Csah 23 over Turtle Creek | Good | 142.7 ft | 1,700 | 2012 |
| Mn 56 over Little Cedar River | Good | 104.3 ft | 1,578 | 1992 |
| Csah 8 over Carys Creek | Good | 23.6 ft | 1,500 | 2003 |
| Csah 7 over Stream | Good | 31.5 ft | 1,300 | 2013 |
| Msas 152 over Dobbins Creek | Good | 106.0 ft | 1,100 | 2007 |
| Csah 7 over Little Cedar River | Good | 128.6 ft | 1,050 | 2019 |
| Csah 46 over S Br Dobbins Creek | Good | 90.2 ft | 1,050 | 2023 |
| Csah 46 over I 90 | Good | 174.9 ft | 1,050 | 2021 |
| Csah 46 over Trib To Dobbins Creek | Good | 37.7 ft | 1,050 | 2023 |
| Csah 2 over Cedar River | Good | 172.6 ft | 990 | 2024 |
| Csah 28 over Stream | Good | 38.7 ft | 960 | 2017 |
| Csah 29 over Stream | Good | 84.6 ft | 830 | 1979 |
| Csah 25 over Stream | Good | 26.2 ft | 740 | 2014 |
| Csah 1 over Stream | Good | 22.3 ft | 610 | 2017 |
| Mn 105 over Orchard Creek | Good | 62.3 ft | 610 | 1978 |
| Csah 8 over Jud Ditch # 1 | Good | 32.8 ft | 600 | 2011 |
| Csah 2 over Stream | Good | 32.5 ft | 570 | 1995 |
| Csah 1 over Cedar River | Good | 124.7 ft | 560 | 2013 |
| Csah 28 over Orchard Crk | Good | 28.5 ft | 540 | 2000 |
| Csah 6 over Stream | Good | 26.6 ft | 520 | 1998 |
| Csah 24 over Roberts Creek | Good | 30.8 ft | 475 | 2000 |
| Csah 21 over Trib To Orchard Creek | Good | 30.2 ft | 470 | 2012 |
| Csah 6 over Trib To Little Cedar Rvr | Good | 21.0 ft | 460 | 2009 |
| Csah 1 over N Br Root River | Good | 105.6 ft | 440 | 2015 |
| Csah 16 over Wolf Creek | Good | 31.8 ft | 350 | 2001 |
| Csah 4 over Trib Little Cedar River | Good | 26.2 ft | 340 | 2021 |
| Csah 4 over Trib To Little Cedar Rvr | Good | 26.2 ft | 340 | 2018 |
| Csah 4 over Little Cedar River | Good | 26.2 ft | 340 | 2021 |
| Csah 4 over Trib Little Cedar River | Good | 27.2 ft | 340 | 2021 |
| T 95 over Trib Of Cedar River | Good | 29.2 ft | 301 | 2003 |
| Csah 16 over Roberts Creek | Good | 84.0 ft | 300 | 2020 |
| Csah 46 over Trib To Dobbins Creek | Good | 40.7 ft | 295 | 2023 |
| Csah 46 over Trib To Dobbins Creek | Good | 22.3 ft | 295 | 2023 |
| Csah 11 over Little Iowa River | Good | 40.0 ft | 280 | 1998 |
| Csah 5 over Otter Creek | Good | 27.6 ft | 260 | 2003 |
| Csah 3 over Rose Creek | Good | 41.7 ft | 240 | 1999 |
| Csah 2 over I 90 | Good | 229.3 ft | 220 | 1961 |
| Csah 11 over Upper Iowa River | Good | 48.2 ft | 210 | 2013 |
| Mn 105 over Woodbury Creek | Good | 81.4 ft | 199 | 2010 |
| Csah 22 over Trib Cedar River | Good | 37.1 ft | 170 | 2012 |
| Csah 3 over S Br Root River | Good | 30.5 ft | 135 | 1994 |
| Csah 19 over Stream | Good | 27.6 ft | 120 | 1991 |
| CR 57 over Stream | Good | 73.2 ft | 108 | 2017 |
| T 209 over Schwerin Creek | Good | 27.6 ft | 80 | 1999 |
| T 209 over Rose Creek | Good | 27.6 ft | 80 | 1999 |
| T 448 over Little Iowa River | Good | 104.7 ft | 79 | 2011 |
| Csah 4 over Trib To Little Cedar Rvr | Good | 22.3 ft | 75 | 2012 |
| T 269 over Jud Ditch # 5 | Good | 32.8 ft | 70 | 1991 |
| T 292 over Turtle Creek | Good | 128.3 ft | 63 | 1978 |
| T 107 over Bear Creek | Good | 118.8 ft | 62 | 1970 |
| M 12 over Otter Creek | Good | 79.7 ft | 60 | 2013 |
| T 411 over Stream | Good | 56.1 ft | 53 | 1987 |
| T 283 over Bear Creek | Good | 109.6 ft | 50 | 2001 |
| T 107 over S Br Root River | Good | 29.2 ft | 50 | 2000 |
| T 27 over Upper Iowa River | Good | 42.0 ft | 50 | 2003 |
| T 24 over Stream | Good | 30.5 ft | 50 | 2003 |
| T 200 over Rose Creek | Good | 42.0 ft | 50 | 2006 |
| T 127 over N Br Root River | Good | 34.4 ft | 50 | 2006 |
| T 279 over Stream | Good | 36.1 ft | 50 | 2006 |
| T 220 over Stream | Good | 25.6 ft | 50 | 1994 |
| T 282 over N Fk Bear Creek | Good | 42.0 ft | 49 | 2014 |
| T 1 over Trib To Deer Creek | Good | 21.0 ft | 49 | 2008 |
| T 245 over N Br Upper Iowa River | Good | 38.1 ft | 49 | 2008 |
| T 296 over Dobbins Creek | Good | 44.0 ft | 49 | 2009 |
| T 56 over Wapsipincon River | Good | 25.9 ft | 49 | 2009 |
| T 47 over Trib To Cedar River | Good | 32.2 ft | 49 | 2009 |
| T 109 over N Fk Bear Creek | Good | 44.0 ft | 49 | 2009 |
| T 90 over Otter Creek | Good | 34.4 ft | 49 | 2011 |
| T 48 over Trib Little Cedar River | Good | 25.9 ft | 49 | 2012 |
| T 245 over Trib To Upper Iowa River | Good | 26.2 ft | 49 | 2012 |
| T 247 over Trib To Roberts Crk | Good | 26.2 ft | 49 | 2013 |
| T 130 over Dobbins Creek | Good | 26.2 ft | 49 | 2012 |
| T 140 over Roberts Creek | Good | 33.8 ft | 49 | 2013 |
| T 199 over Dobbins Creek | Good | 26.2 ft | 49 | 2013 |
| T 136 over Roberts Creek | Good | 26.2 ft | 49 | 2014 |
| T 240 over S Br Root River | Good | 25.9 ft | 49 | 2013 |
| T 136 over Stream | Good | 25.6 ft | 49 | 2014 |
| T 247 over Stream | Good | 23.0 ft | 49 | 2014 |
| T 95 over Stream | Good | 26.2 ft | 49 | 2014 |
| T 107 over Carys Creek | Good | 40.7 ft | 49 | 2015 |
| T 178 over Stream | Good | 40.7 ft | 49 | 2015 |
| T 95 over Stream | Good | 26.2 ft | 49 | 2017 |
| T 240 over Stream | Good | 23.0 ft | 49 | 2017 |
| T 14 over Stream | Good | 26.2 ft | 49 | 2018 |
| T 12 over Jud Ditch # 1 | Good | 32.8 ft | 49 | 2018 |
| T 23 over Little Iowa River | Good | 27.6 ft | 49 | 2018 |
| T 140 over Ditch | Good | 26.2 ft | 49 | 2018 |
| T 5 over Schwerin Creek | Good | 22.3 ft | 49 | 2018 |
| T 90 over Otter Creek | Good | 23.3 ft | 49 | 2018 |
| T 385 over Dobbins Creek | Good | 26.2 ft | 49 | 2018 |
| T 45 over Woodbury Creek | Good | 26.2 ft | 49 | 2019 |
| T 65 over The Little Cedar River | Good | 26.2 ft | 49 | 2019 |
| T 123 over N Branch Root River Trib | Good | 22.3 ft | 49 | 2019 |
| T 22 over Trib To Upper Iowa River | Good | 26.2 ft | 49 | 2020 |
| T 128 over Trib Rose Creek | Good | 23.0 ft | 49 | 2020 |
| T 19 over Little Cedar River | Good | 35.1 ft | 49 | 2020 |
| T 93 over Trib To Rose Creek | Good | 31.5 ft | 49 | 2020 |
| T 7 over Trib Deer Creek | Good | 22.6 ft | 49 | 2021 |
| T 157 over S Br Dobbins Creek | Good | 27.2 ft | 49 | 2021 |
| T 122 over Stream | Good | 52.5 ft | 49 | 2024 |
| T 12 over S Br Root River | Good | 46.6 ft | 49 | 2021 |
| T 169 over Carys Creek | Good | 30.2 ft | 49 | 2024 |
| T 141 over Cedar River Tributary | Good | 30.5 ft | 49 | 2023 |
| T 141 over Stream | Good | 26.6 ft | 49 | 2023 |
| T 39 over Orchard Creek | Good | 22.6 ft | 49 | 2023 |
| T 39 over Orchard Creek Tributary | Good | 26.6 ft | 49 | 2023 |
| T 56 over Little Cedar River | Good | 96.5 ft | 44 | 1999 |
| T 267 over Trib To Roberts Creek | Good | 26.2 ft | 44 | 2007 |
| T 140 over Stream | Good | 33.5 ft | 42 | 1987 |
| T 92 over Stream | Good | 71.9 ft | 40 | 1982 |
| M 16 over Little Cedar River | Good | 42.0 ft | 40 | 2004 |
| T 330 over Stream | Good | 45.6 ft | 40 | 1983 |
| T 48 over Stream | Good | 32.8 ft | 40 | 1981 |
| T 37 over Orchard Creek | Good | 108.9 ft | 35 | 1981 |
| T 61 over Wapsipincon River | Good | 105.6 ft | 35 | 1984 |
| T 93 over Rose Creek | Good | 100.7 ft | 35 | 2002 |
| T 55 over Otter Creek | Good | 42.0 ft | 35 | 2004 |
| T 118 over Stream | Good | 26.2 ft | 35 | 1992 |
| T 173 over Carys Creek | Good | 23.6 ft | 34 | 2001 |
| T 146 over Ditch | Good | 22.3 ft | 34 | 2004 |
| T 24 over Stream | Good | 22.3 ft | 34 | 1990 |
| T 169 over Trib Of Carey Creek | Good | 31.8 ft | 30 | 2001 |
| T 112 over Bear Creek | Good | 58.4 ft | 30 | 2004 |
| T 247 over Stream | Good | 35.4 ft | 27 | 1996 |
| T 217 over N Br Upper Iowa River | Good | 24.9 ft | 26 | 1991 |
| T 240 over Stream | Good | 22.3 ft | 26 | 1990 |
| T 23 over Stream | Good | 27.6 ft | 25 | 2002 |
| T 112 over N Fk Bear Creek | Good | 96.8 ft | 24 | 1993 |
| T 146 over Trib To Cedar River | Good | 26.2 ft | 24 | 2007 |
| T 162 over Wolf Creek | Good | 32.2 ft | 20 | 1999 |
| T 54 over Ditch | Good | 22.3 ft | 20 | 2007 |
| T 230 over Little Iowa River | Good | 27.6 ft | 12 | 1999 |
| T 118 over Robinson Creek | Good | 27.6 ft | 12 | 2000 |
| T 37 over Stream | Good | 35.8 ft | 11 | 1998 |
| T 21 over Trib To Upper Iowa River | Good | 23.6 ft | 10 | 1999 |
| T 112 over Jud Ditch # 1 | Good | 23.0 ft | 10 | 1979 |