| Willow AVE over Bohemian Creek | Poor | 65.0 ft | 1,420 | 1951 |
| 200th ST over Bohemian Creek | Poor | 91.9 ft | 730 | 1951 |
| Young AVE over Bohemian Creek | Poor | 91.9 ft | 717 | 1951 |
| Fm-150th ST over Crane Creek | Poor | 152.9 ft | 590 | 1968 |
| Fm-150th ST over Crane Creek | Poor | 32.2 ft | 579 | 1968 |
| FM 150th ST over Little Wapsipinicon | Poor | 27.9 ft | 452 | 1967 |
| Loc Victory AVE over Upper Iowa | Poor | 252.0 ft | 393 | 1950 |
| FM Victory AVE over Upper Iowa | Poor | 53.1 ft | 393 | 1949 |
| Victory AVE over Upper Iowa | Poor | 83.0 ft | 393 | 1949 |
| FM Oak AVE over Upper Iowa | Poor | 24.9 ft | 393 | 1950 |
| FM Addison AVE over Wapsipinicon River | Poor | 26.9 ft | 285 | 1968 |
| Woodland AVE over Watson Creek | Poor | 67.9 ft | 130 | 1930 |
| FM 170th ST over Bohemian Creek | Poor | 34.1 ft | 80 | 1959 |
| Local 170th ST over Little Wapsipinicon | Poor | 34.1 ft | 80 | 1950 |
| Howard AVE over Crane Creek | Poor | 34.1 ft | 63 | 1920 |
| Loc 30th ST over Nichols CR | Poor | 53.1 ft | 62 | 1947 |
| Fm-175th ST over Crane Creek | Poor | 174.9 ft | 59 | 1955 |
| Local 40th ST over Blank CR | Poor | 89.9 ft | 51 | 1953 |
| Local 162nd ST over Br Little Wapsipinicon R | Poor | 26.9 ft | 50 | 1986 |
| Timber AVE over Turkey River | Poor | 25.9 ft | 48 | 1987 |
| 180th ST over Bohemian Creek | Poor | 47.9 ft | 42 | 1953 |
| Loc Crescent Av over Br Little Wapsipinicon R | Poor | 30.8 ft | 42 | 1970 |
| Vale RD over Nichols CR | Poor | 39.0 ft | 42 | 1949 |
| Local over Br Wapsipinicon River | Poor | 34.1 ft | 31 | 1988 |
| 175th ST over Br Mead Creek | Poor | 25.9 ft | 31 | 1989 |
| Pleasant AVE over Drainage Ditch | Poor | 32.2 ft | 31 | 1970 |
| Local Grove AVE over Branch Crane Creek | Poor | 24.0 ft | 31 | 1983 |
| 180th ST over Turkey River | Poor | 32.2 ft | 30 | 1986 |
| Local 70th ST over North Turkey | Poor | 34.1 ft | 30 | 1966 |
| 180th ST over Little Turkey River | Poor | 54.1 ft | 29 | 1985 |
| Local 125th ST over Little Wapsipinicon Rvr | Poor | 46.9 ft | 26 | 1984 |
| Local 25th ST over Upper Iowa River | Poor | 113.8 ft | 26 | 1880 |
| Kings RD over Turkey River | Poor | 99.1 ft | 25 | 1961 |
| Lincoln AVE over Br Crane Creek | Poor | 29.9 ft | 25 | 1990 |
| Iris AVE over Drainage Ditch | Poor | 25.9 ft | 21 | 1966 |
| Local 90th ST over Crane Creek | Poor | 80.1 ft | 21 | 1951 |
| Unity Avenue over Branch Of Silver Creek | Poor | 24.9 ft | 21 | 1960 |
| 155th ST over Crane Creek | Poor | 136.2 ft | 20 | 1937 |
| Local 90th ST over Br Crane Creek | Poor | 25.9 ft | 16 | 1970 |
| FM 20th ST over Br Upper Iowa River | Poor | 61.0 ft | 15 | 1951 |
| Local 25th ST over Staff CR | Poor | 87.9 ft | 15 | 1944 |
| US 63 over Crane Creek | Fair | 221.1 ft | 4,360 | 1971 |
| US 63 over Upper Iowa River | Fair | 271.0 ft | 3,860 | 1982 |
| US 63 over Turkey River | Fair | 92.8 ft | 3,830 | 1971 |
| Ia 9 over So Branch Turkey River | Fair | 38.1 ft | 3,440 | 1974 |
| Ia 9 over Little Wapsipinicon Rvr | Fair | 83.0 ft | 1,810 | 1976 |
| Ia 9 over Crane Creek | Fair | 132.9 ft | 1,630 | 1976 |
| Ia 9 over Drainage Ditch | Fair | 33.1 ft | 1,630 | 1976 |
| FM - Willow AVE over Turkey River | Fair | 233.9 ft | 1,601 | 1980 |
| V58 over Drainage Ditch | Fair | 32.2 ft | 1,195 | 1976 |
| FM over Wapsipinicon River | Fair | 149.9 ft | 884 | 1966 |
| Busti AVE over Drainage | Fair | 58.1 ft | 840 | 1986 |
| Addison AVE over Watson Creek | Fair | 116.1 ft | 775 | 1976 |
| FM 150th ST over Turkey River | Fair | 34.1 ft | 766 | 2009 |
| FM Dale AVE over Stream | Fair | 50.9 ft | 707 | 1987 |
| Fm-150th ST over Branch Crane Creek | Fair | 58.1 ft | 579 | 1968 |
| FM 150th ST over Little Wapsipinicon | Fair | 77.1 ft | 452 | 1967 |
| FM Robin AVE over South Turkey | Fair | 63.0 ft | 422 | 1966 |
| 185th ST over Small Stream | Fair | 24.9 ft | 412 | 1992 |
| 185th ST over Drainage Ditch | Fair | 44.9 ft | 412 | 1992 |
| FM 50th ST over Beaver Creek | Fair | 77.1 ft | 314 | 1970 |
| FM Addison AVE over Wapsipinicon River | Fair | 32.2 ft | 285 | 1968 |
| FM 50th ST over Beaver Creek | Fair | 44.9 ft | 226 | 1980 |
| Local Robin AVE over Small Stream | Fair | 39.0 ft | 135 | 1984 |
| Loc Robin AVE over N Branch Turkey River | Fair | 86.9 ft | 135 | 1986 |
| FM James AVE over Beaver Creek | Fair | 89.9 ft | 118 | 1972 |
| FM Douglas AVE over Little Wapsipinicon | Fair | 54.1 ft | 88 | 1951 |
| FM Douglas over Little Wapsipinican Rvr | Fair | 44.0 ft | 88 | 1950 |
| Holly AVE over Mead Creek | Fair | 32.2 ft | 82 | 1958 |
| Loc Howard AVE over Crane Creek | Fair | 35.1 ft | 82 | 1942 |
| FM 190th ST over Bohemian Creek | Fair | 103.0 ft | 80 | 1976 |
| FM 190th St. over Drainage Ditch | Fair | 24.9 ft | 79 | 1976 |
| FM 65th ST over North Turkey | Fair | 24.9 ft | 79 | 1940 |
| Local 95th ST over Drainage Ditch | Fair | 56.1 ft | 79 | 1992 |
| Local over Small Creek | Fair | 32.2 ft | 73 | 1983 |
| Local-lwc 40th over Br Staff Creek | Fair | 24.0 ft | 73 | 1988 |
| 10th ST over Branch Upper Iowa River | Fair | 36.7 ft | 73 | 1997 |
| Jade AVE over Crane Creek | Fair | 57.1 ft | 69 | 1950 |
| 130th Street over Creek | Fair | 26.9 ft | 69 | 2002 |
| 135th ST over Drainage Ditch | Fair | 23.0 ft | 62 | 1973 |
| Local 115th ST over Turkey Creek | Fair | 128.0 ft | 59 | 1987 |
| Local 115th ST over Br Turkey Creek | Fair | 26.9 ft | 59 | 1987 |
| 200th ST over Little Turkey River | Fair | 122.0 ft | 51 | 1992 |
| 10th ST over Branch Upper Iowa River | Fair | 25.3 ft | 51 | 1988 |
| N 6th ST over Mead Creek | Fair | 56.1 ft | 50 | 1974 |
| Fm-130th ST over S Br Turkey River | Fair | 90.9 ft | 49 | 1973 |
| Fm-130th ST over Drainage Ditch | Fair | 21.0 ft | 49 | 1974 |
| Local 70th ST over Crane Creek | Fair | 24.9 ft | 47 | 1979 |
| Local 70th ST over Crane Creek | Fair | 83.0 ft | 47 | 1982 |
| 200th ST over Elk Creek | Fair | 26.9 ft | 45 | 1976 |
| Fm-key AVE over Crane Creek | Fair | 47.9 ft | 40 | 1985 |
| Crane Creek RD over Br Crane Creek | Fair | 32.2 ft | 39 | 1958 |
| FM 25th ST over Upper Iowa | Fair | 21.0 ft | 39 | 1950 |
| 160th ST over Wapsipinicon River | Fair | 169.9 ft | 35 | 1970 |
| Iris AVE over Beaver Creek | Fair | 29.9 ft | 30 | 1951 |
| Iris AVE over Beaver Creek | Fair | 25.9 ft | 30 | 1952 |
| Local over Upper Iowa River | Fair | 24.9 ft | 30 | 1996 |
| Noble AVE over Branch Upper Iowa River | Fair | 28.9 ft | 26 | 1985 |
| FM 135th ST over Drainage Ditch | Fair | 25.9 ft | 25 | 1973 |
| FM 170th ST over Little Turkey River | Fair | 103.0 ft | 25 | 1973 |
| Loc 115th ST over Branch Turkey River | Fair | 30.8 ft | 25 | 1978 |
| Local over Br Little Turkey River | Fair | 25.9 ft | 25 | 1944 |
| 180th ST over Small Stream | Fair | 47.9 ft | 21 | 1986 |
| 160th ST over Drainage Ditch | Fair | 24.0 ft | 21 | 1988 |
| Kline RD over Br Crane Creek | Fair | 29.9 ft | 21 | 1990 |
| 135th ST over Crane Creek | Fair | 151.9 ft | 20 | 1951 |
| 135th ST over Crane Creek | Fair | 44.0 ft | 20 | 1951 |
| Local 80th ST over Drainage Ditch | Fair | 26.9 ft | 20 | 1988 |
| 195th ST over Bohemian Creek | Fair | 55.1 ft | 16 | 1989 |
| Local 110th ST over Crane Creek | Fair | 110.9 ft | 16 | 1985 |
| Local 110th ST over Br Crane Creek | Fair | 32.2 ft | 16 | 1987 |
| Local Elm AVE over Staff CR | Fair | 60.0 ft | 16 | 1949 |
| Local March AVE over Branch Turkey Creek | Fair | 28.9 ft | 15 | 1990 |
| Noble AVE over Spring Creek | Fair | 47.9 ft | 11 | 1941 |
| Grove AVE over Br Crane Creek | Fair | 30.8 ft | 11 | 1986 |
| 175th ST over Br Little Wapsipioicon | Fair | 34.1 ft | 11 | 2003 |
| 125th ST over Br Crane Creek | Fair | 46.9 ft | 10 | 1955 |
| US 63 over W.br.turkey River | Good | 38.1 ft | 3,930 | 1993 |
| US 63 over Stream | Good | 24.9 ft | 3,360 | 1993 |
| US 63 over Beaver Creek | Good | 147.0 ft | 3,290 | 1993 |
| Ia 9 over N Branch Turkey River | Good | 100.7 ft | 3,200 | 2023 |
| FM Willow AVE over Silvver Creek | Good | 46.9 ft | 1,218 | 2002 |
| FM 150th ST over Turkey River | Good | 60.7 ft | 766 | 2009 |
| Jackson ST over Br. Upper Iowa River | Good | 37.1 ft | 749 | 2002 |
| FM over Upper Iowa | Good | 34.1 ft | 737 | 2006 |
| A46 150th ST over Turkey River | Good | 41.0 ft | 717 | 2017 |
| V10 Dale AVE over Staff Creek | Good | 73.2 ft | 707 | 2022 |
| B17 190th ST over Wapsipinicon River | Good | 204.4 ft | 638 | 2023 |
| FM 190th ST over Little Wapsipinicon | Good | 34.1 ft | 638 | 2009 |
| FM 190th ST over Little Wapsipinicon | Good | 129.9 ft | 638 | 1995 |
| Fm-robin AVE over Turkey River | Good | 189.0 ft | 422 | 1994 |
| 185th ST over Crane Creek | Good | 147.0 ft | 412 | 1992 |
| V36 Oak AVE over Upper Iowa | Good | 296.9 ft | 393 | 2014 |
| FM over Turkey River | Good | 157.2 ft | 265 | 1995 |
| Valley ST over Branch Turkey River | Good | 24.0 ft | 145 | 1980 |
| Local Birch over Br Upper Ia River | Good | 24.0 ft | 135 | 2008 |
| Robin AVE over N Branch Turkey River | Good | 24.0 ft | 135 | 2012 |
| FM 125th ST over Drainage Ditch | Good | 21.0 ft | 128 | 1973 |
| 10th ST over Unnamed Creek | Good | 56.1 ft | 128 | 1987 |
| Loc Valley AVE over Silver CR | Good | 52.2 ft | 118 | 2001 |
| V46 Robin AVE over Turkey River | Good | 38.1 ft | 108 | 2015 |
| Robin AVE over Turkey River | Good | 24.9 ft | 108 | 2000 |
| Local over Small Stream | Good | 22.0 ft | 104 | 1995 |
| 35th ST over Upper Iowa River | Good | 24.3 ft | 104 | 2013 |
| Fm-quail AVE over Upper Iowa | Good | 181.1 ft | 98 | 1998 |
| Yankee AVE over Silver Creek | Good | 123.4 ft | 91 | 2012 |
| 170th ST over Little Wapsipinicon Rvr | Good | 92.8 ft | 82 | 2015 |
| 200th ST over Crane Creek | Good | 175.9 ft | 79 | 2019 |
| 200th ST over Br Crane Creek | Good | 40.0 ft | 79 | 1995 |
| FM over Small Stream | Good | 23.0 ft | 79 | 1995 |
| Robin AVE over Drainage Ditch | Good | 24.9 ft | 73 | 2018 |
| Loc Mill RD over Upper Iowa River | Good | 288.1 ft | 73 | 1992 |
| 40th ST over Beaver Creek | Good | 123.4 ft | 73 | 2020 |
| 40th ST over Beaver Creek | Good | 93.2 ft | 73 | 2020 |
| Local Elm AVE over Br Staff CR | Good | 32.2 ft | 73 | 2005 |
| 40th ST over Br Staff CR | Good | 62.7 ft | 73 | 2018 |
| Fm-robin AVE over Stream | Good | 83.7 ft | 69 | 2010 |
| V46 (robin Ave) over Turkey River | Good | 83.0 ft | 69 | 2013 |
| Douglas AVE over Little Wapsipinicon | Good | 30.8 ft | 69 | 2020 |
| Oak AVE over South Turkey | Good | 40.0 ft | 69 | 2022 |
| 115th ST over Wapsipinicon River | Good | 56.1 ft | 69 | 2017 |
| Howard AVE over Crane Creek | Good | 39.0 ft | 63 | 2024 |
| 170th ST over Wapsipinicon River | Good | 173.9 ft | 62 | 1988 |
| Local Fir AVE over Branch Crane Creek | Good | 21.0 ft | 62 | 1997 |
| 30th ST over Nichols Creek | Good | 69.9 ft | 62 | 2020 |
| 30th ST over Nichols Creek | Good | 70.5 ft | 62 | 2020 |
| 175th ST over Br Crane Creek | Good | 28.5 ft | 59 | 2011 |
| FM over Crane Creek | Good | 112.9 ft | 59 | 1995 |
| River RD over Branch Upper Iowa River | Good | 112.9 ft | 59 | 2015 |
| 180th ST over Little Wapsipinicon Rvr | Good | 68.9 ft | 51 | 2003 |
| 180th ST over Br Little Wapsipinicon | Good | 46.9 ft | 51 | 2003 |
| Pine AVE over Turkey River | Good | 64.0 ft | 51 | 2002 |
| 170th ST over Br Mead Creek | Good | 29.9 ft | 51 | 2012 |
| Elm AVE over Drainage Ditch | Good | 36.1 ft | 49 | 2013 |
| 135th ST over S Br Turkey River | Good | 134.2 ft | 49 | 2023 |
| Howard AVE over Branch Crane Creek | Good | 33.1 ft | 47 | 2023 |
| 35th ST over Br Nichols CR | Good | 34.1 ft | 47 | 2021 |
| Jade AVE over Br Of Crane Creek | Good | 30.8 ft | 44 | 2005 |
| Yankee AVE over Nichols Creek | Good | 49.9 ft | 41 | 2023 |
| Local over Nichols CR | Good | 46.9 ft | 41 | 1957 |
| Pine AVE over S Br Turkey River | Good | 46.9 ft | 39 | 2023 |
| FM Douglas AVE over Little Wapsipinicon | Good | 83.0 ft | 39 | 2011 |
| Yankee AVE over Br Minor Creek | Good | 30.8 ft | 39 | 2011 |
| Local Birch AVE over Staff CR | Good | 26.6 ft | 39 | 2008 |
| Yankee AVE over Ditch | Good | 22.0 ft | 39 | 2013 |
| 180th ST over Turkey River | Good | 42.0 ft | 35 | 2002 |
| 180th ST over Drainage Ditch | Good | 25.6 ft | 35 | 2010 |
| Local Fir AVE over Drainage Ditch | Good | 24.9 ft | 35 | 2001 |
| 70th ST over Drainage Ditch | Good | 25.3 ft | 35 | 2018 |
| 25th ST over Ditch | Good | 21.0 ft | 35 | 2013 |
| 78th ST over Silver Creek | Good | 56.1 ft | 30 | 2013 |
| Loc Unity AVE over Br Nichols CR | Good | 32.2 ft | 30 | 2005 |
| Lilac AVE over Beaver Creek | Good | 56.8 ft | 29 | 2020 |
| Fir AVE over Crane Creek | Good | 29.9 ft | 29 | 2012 |
| Maple Leaf RD over Br Crane Creek | Good | 83.0 ft | 26 | 2015 |
| Loc N Branch RD over N Br Turkey River | Good | 22.0 ft | 26 | 1996 |
| Young AVE over Br Upper Iowa | Good | 25.9 ft | 26 | 2017 |
| 180th ST over Br Wapsipinicon River | Good | 39.0 ft | 21 | 1974 |
| Bell AVE over Br Wapsipinicon Riv | Good | 32.2 ft | 21 | 2005 |
| Local 135th ST over Little Wapsipinicon Rvr | Good | 128.9 ft | 21 | 1987 |
| 140th ST over Little Wapsipinicon Rvr | Good | 83.0 ft | 21 | 2015 |
| S Branch RD over S Br Turkey River | Good | 65.0 ft | 21 | 2021 |
| 180th ST over Wapsipinicon River | Good | 205.1 ft | 21 | 2019 |
| 170th ST over Wapsipinicon River | Good | 32.5 ft | 20 | 2013 |
| March AVE over W Br Turkey River | Good | 34.1 ft | 20 | 2022 |
| 130th ST over Br Little Wapsipinicon R | Good | 29.9 ft | 16 | 2012 |
| Saint AVE over Little Turkey River | Good | 103.0 ft | 11 | 2015 |
| 175th ST over Br Little Wapsipinicon | Good | 46.9 ft | 11 | 1955 |
| Kent AVE over Branch Beaver Creek | Good | 23.0 ft | 10 | 2023 |
| Local 60th ST over Beaver Creek | Good | 44.0 ft | 5 | 2003 |
| Local RD over Small | Good | 22.0 ft | 5 | 2003 |
| Local over Small | Good | 22.0 ft | 5 | 2004 |