| F24 over Small Stream | Poor | 21.0 ft | 417 | 1938 |
| FM over Small Stream | Poor | 129.9 ft | 240 | 1960 |
| FM over Silver Creek | Poor | 103.0 ft | 131 | 1960 |
| Local over Indian Creek | Poor | 141.1 ft | 35 | 1926 |
| Local over Mosquito Creek | Poor | 161.1 ft | 35 | 1917 |
| Local over Small Stream | Poor | 30.8 ft | 35 | 1959 |
| Local over Small Stream | Poor | 57.1 ft | 30 | 1960 |
| Local over E Branch W. Nish. River | Poor | 146.0 ft | 26 | 1920 |
| Local over Mosquito Creek | Poor | 199.1 ft | 26 | 1930 |
| Local over Elkhorn Creek | Poor | 146.0 ft | 21 | 1958 |
| Local over W. Nishnabotna | Poor | 167.0 ft | 21 | 1926 |
| Local over Keg Creek | Poor | 123.0 ft | 20 | 1924 |
| Local over Small Stream | Poor | 42.0 ft | 15 | 1976 |
| Local over Small Stream | Poor | 74.1 ft | 11 | 1950 |
| Local over Keg Creek | Poor | 82.0 ft | 11 | 1969 |
| Field Entrance over Small Stream | Poor | 24.0 ft | 10 | 1942 |
| Local over Small Stream | Poor | 26.9 ft | 5 | 1968 |
| Local over Pigeon Creek | Poor | 98.1 ft | 0 | 1947 |
| US 59 over Drainage Ditch | Fair | 24.9 ft | 5,000 | 1966 |
| US 59 over Drainage Ditch | Fair | 63.0 ft | 4,940 | 1970 |
| US 59 over West Nishnabotna River | Fair | 408.1 ft | 4,940 | 1970 |
| US 59 over Jensen Creek | Fair | 25.9 ft | 4,680 | 1968 |
| Ia 44 over West Nishnabotna River | Fair | 294.9 ft | 3,960 | 1978 |
| US 59 over Lyon Creek | Fair | 191.9 ft | 3,240 | 1970 |
| US 59 over Willow Creek | Fair | 180.1 ft | 2,830 | 1970 |
| Ia 44 over West Nishnabotna River | Fair | 280.8 ft | 2,690 | 1984 |
| Ia 44 over Silver Creek | Fair | 32.2 ft | 2,090 | 1985 |
| Ia 44 over Mosquito Creek | Fair | 214.9 ft | 1,110 | 1959 |
| Ia 44 over Keg Creek | Fair | 49.9 ft | 1,110 | 1967 |
| FM over Willow Creek | Fair | 159.1 ft | 887 | 1969 |
| FM RD F32 over Mosquito Creek | Fair | 191.9 ft | 816 | 1974 |
| Ia 191 over Drainage Ditch | Fair | 209.0 ft | 790 | 1986 |
| Ia 191 over Stream | Fair | 21.0 ft | 790 | 1941 |
| Ia 191 over Mosquito Creek | Fair | 255.9 ft | 790 | 1991 |
| Ia 191 over Mosquito Creek | Fair | 191.9 ft | 790 | 1991 |
| FM over West Nishnabotna River | Fair | 182.1 ft | 717 | 1969 |
| FM over W Nishnabotna River | Fair | 204.1 ft | 668 | 1960 |
| Ia 37 over Mill Creek | Fair | 200.1 ft | 630 | 1992 |
| Ia 37 over Moser Creek | Fair | 183.1 ft | 630 | 1961 |
| FM over E Br W Nishnabotna River | Fair | 253.9 ft | 588 | 1972 |
| FM over Long Branch | Fair | 57.1 ft | 537 | 1956 |
| FM RD F32 over Pigeon Creek | Fair | 143.0 ft | 518 | 1982 |
| FM RD F-32 over W Fork W.nishnabotna Riv | Fair | 230.0 ft | 488 | 1978 |
| Exchange ST over Drainage | Fair | 24.0 ft | 452 | 1900 |
| FM over Keg Creek | Fair | 98.1 ft | 450 | 1973 |
| FM over Elk Creek | Fair | 256.9 ft | 439 | 2005 |
| F24 over Kidds Creek | Fair | 21.0 ft | 417 | 1968 |
| F24 over Small Stream | Fair | 32.2 ft | 417 | 1937 |
| So M 16 over Mosquito Creek | Fair | 103.0 ft | 349 | 1963 |
| FM over East Br W Nishnabotna | Fair | 252.0 ft | 278 | 1965 |
| FM over Small Stream | Fair | 32.2 ft | 240 | 1957 |
| FM over Indian Creek | Fair | 204.1 ft | 240 | 1965 |
| FM over W Fk W Nishnabotna River | Fair | 221.1 ft | 159 | 1973 |
| FM over Small Stream | Fair | 108.9 ft | 159 | 1957 |
| FM RD F16 over Moser Creek | Fair | 128.0 ft | 159 | 1981 |
| FM over Little Silver Creek | Fair | 21.0 ft | 131 | 1950 |
| FM over Little Silver Creek | Fair | 57.1 ft | 110 | 1958 |
| FM over Pigeon Creek | Fair | 32.2 ft | 89 | 1959 |
| Juniper RD over Small Stream | Fair | 42.0 ft | 72 | 1950 |
| Local over Small Stream | Fair | 21.0 ft | 72 | 1950 |
| FM over W Nishnabotna River | Fair | 144.0 ft | 71 | 1957 |
| Local over Elm Creek | Fair | 105.0 ft | 62 | 1926 |
| Local over Pigeon Creek | Fair | 73.2 ft | 62 | 1950 |
| FM over Walnut Creek | Fair | 54.1 ft | 60 | 1952 |
| FM over Small Stream | Fair | 21.0 ft | 60 | 1996 |
| FM RD F32 over Small Stream | Fair | 24.0 ft | 60 | 2008 |
| FM RD F16 over W Fork/w Nishnabotna | Fair | 277.9 ft | 60 | 1970 |
| FM RD F16 over Willow Creek | Fair | 128.9 ft | 60 | 1958 |
| FM RD F16 over Bee Tree Creek | Fair | 131.9 ft | 60 | 1960 |
| Local over Bonnie Creek | Fair | 30.8 ft | 51 | 1957 |
| Local over Mosquito Creek | Fair | 180.1 ft | 51 | 1960 |
| Local over Long Branch | Fair | 171.9 ft | 51 | 1940 |
| Local over Small Stream | Fair | 57.1 ft | 51 | 1959 |
| FM over Keg Creek | Fair | 128.0 ft | 50 | 1982 |
| FM RD M56 over Long Branch Creek | Fair | 120.1 ft | 50 | 1958 |
| FM over Moser Creek | Fair | 83.0 ft | 50 | 1962 |
| Local over Elm Creek | Fair | 61.0 ft | 46 | 1969 |
| FM over Prairie Rose Creek | Fair | 21.0 ft | 45 | 1984 |
| Local over Silver Creek | Fair | 78.1 ft | 45 | 1994 |
| FM over Long Branch | Fair | 57.1 ft | 45 | 1957 |
| Local over Small Stream | Fair | 42.0 ft | 41 | 1957 |
| FM over Silver Creek | Fair | 69.9 ft | 41 | 1914 |
| Local over Elm Creek | Fair | 47.9 ft | 41 | 2000 |
| Local over Keg Creek | Fair | 60.0 ft | 41 | 2000 |
| Local over Long Branch | Fair | 54.1 ft | 41 | 1987 |
| Local over Buck Creek | Fair | 107.0 ft | 35 | 1955 |
| Local over Small Stream | Fair | 32.2 ft | 35 | 1957 |
| Local over Small Stream | Fair | 32.2 ft | 35 | 1957 |
| Local over Small Stream | Fair | 43.0 ft | 35 | 1958 |
| FM over Dutch Branch | Fair | 142.1 ft | 34 | 1950 |
| Local over Dutch Branch | Fair | 24.9 ft | 34 | 1959 |
| FM RD M56 over Small Stream | Fair | 29.9 ft | 34 | 1989 |
| Local over East Branch Keg Creek | Fair | 59.1 ft | 30 | 1954 |
| Local over Elm Creek | Fair | 39.0 ft | 30 | 2000 |
| Local over Keg Creek | Fair | 107.9 ft | 30 | 1958 |
| Local over Long Branch Creek | Fair | 130.6 ft | 30 | 1950 |
| Local over Small Stream | Fair | 105.0 ft | 30 | 1950 |
| Local over Long Branch Creek | Fair | 119.1 ft | 30 | 1998 |
| Local RD over W Fork W Nish | Fair | 137.1 ft | 30 | 1993 |
| 2100th ST over Small Stream | Fair | 75.1 ft | 30 | 2020 |
| Local over Mill Creek Tributary | Fair | 60.0 ft | 30 | 1967 |
| Local over Small Stream | Fair | 60.0 ft | 30 | 1950 |
| FM over Elkhorn Creek | Fair | 204.1 ft | 29 | 1959 |
| FM over Small Stream | Fair | 32.2 ft | 29 | 1958 |
| FM over Silver Creek | Fair | 103.0 ft | 29 | 1959 |
| FM over Elk Creek | Fair | 104.0 ft | 29 | 1949 |
| Local over E Br Keg Creek | Fair | 43.0 ft | 26 | 1957 |
| Cedar RD over Drainage | Fair | 42.0 ft | 26 | 1954 |
| Local over W Nishnabotna River | Fair | 216.9 ft | 26 | 1920 |
| Local over Small Stream | Fair | 32.2 ft | 26 | 1954 |
| Local over W. Nishnabotna River | Fair | 128.9 ft | 26 | 1955 |
| Local over Elk Creek | Fair | 112.9 ft | 26 | 1960 |
| Local over Long Branch Creek | Fair | 57.1 ft | 26 | 1956 |
| Local over Willow Creek | Fair | 107.9 ft | 26 | 1955 |
| Local over Small Stream | Fair | 161.1 ft | 21 | 1969 |
| Local over Keg Creek | Fair | 30.8 ft | 21 | 1956 |
| Local over Small Stream | Fair | 34.1 ft | 21 | 1990 |
| Local over Snake Creek | Fair | 60.0 ft | 21 | 1995 |
| FM over Picayune Creek | Fair | 21.0 ft | 20 | 1988 |
| Local over Camp Creek | Fair | 74.1 ft | 15 | 1945 |
| 110th ST over Keg Creek | Fair | 52.2 ft | 15 | 1954 |
| Local over Keg Creek | Fair | 60.0 ft | 15 | 1992 |
| Local over Small Stream | Fair | 34.1 ft | 15 | 1962 |
| Local over Snake Creek | Fair | 92.8 ft | 15 | 1998 |
| Local over Greeley Creek | Fair | 42.0 ft | 11 | 1993 |
| Local over Moser Creek | Fair | 52.2 ft | 11 | 1960 |
| Local over Small Stream | Fair | 44.0 ft | 11 | 1951 |
| Local over Small Stream | Fair | 24.0 ft | 11 | 1988 |
| Local over Buck Creek | Fair | 79.1 ft | 0 | 1950 |
| US 59 over Drainage | Good | 24.9 ft | 3,080 | 1970 |
| Ia 44 over Buck Creek | Good | 191.9 ft | 1,570 | 1976 |
| Ia 173 over Elkhorn Creek | Good | 188.0 ft | 1,500 | 2003 |
| Ia 44 over Elm Creek | Good | 37.1 ft | 1,490 | 1988 |
| Ia 37 over Mosquito Creek | Good | 133.9 ft | 1,300 | 2001 |
| FM over Silver Creek | Good | 58.1 ft | 1,155 | 2013 |
| Linden RD over Small Stream | Good | 100.1 ft | 767 | 2014 |
| FM RD F32 over Lyons Creek | Good | 26.9 ft | 608 | 2002 |
| F24 (linden Rd) over W Fork Nisnabotna River | Good | 304.1 ft | 488 | 2012 |
| FM over Lyons Creek | Good | 153.9 ft | 450 | 1992 |
| FM over W Nishnabotna River | Good | 243.1 ft | 409 | 2007 |
| Cora ST over Elk Creek | Good | 141.7 ft | 396 | 2019 |
| Linden RD over Small Stream | Good | 34.4 ft | 390 | 2018 |
| FM over Tributary Mosquito Creek | Good | 103.0 ft | 368 | 1980 |
| FM RD F32 over West Nishnabotna River | Good | 167.0 ft | 319 | 1985 |
| FM over W Fk W Nishnabotna River | Good | 191.9 ft | 309 | 1996 |
| Old HWY 59 over W Fork W Nish River | Good | 287.1 ft | 300 | 1994 |
| Linden RD over Snake Creek | Good | 26.9 ft | 300 | 2021 |
| FM over Silver Creek | Good | 65.9 ft | 120 | 2005 |
| North 7th ST over Small Stream | Good | 73.2 ft | 114 | 2021 |
| Local over W. Nishnabotna River | Good | 184.1 ft | 113 | 2004 |
| FM over West Nishnabotna River | Good | 229.0 ft | 100 | 1985 |
| Local over Elkhorn Creek | Good | 80.1 ft | 82 | 2001 |
| Local over Silver Creek | Good | 138.1 ft | 82 | 2001 |
| 1400th ST over W Nishnabotna River | Good | 163.7 ft | 82 | 2015 |
| F16 over Mill Creek | Good | 100.1 ft | 79 | 2017 |
| 300th ST over Little Silver Creek | Good | 74.1 ft | 72 | 2017 |
| FM over Silver Creek | Good | 142.1 ft | 71 | 1980 |
| FM over W. Nisnabotna River | Good | 175.9 ft | 71 | 2003 |
| Wildwood RD over Indian Creek | Good | 139.4 ft | 62 | 2015 |
| 1600th ST over Small Stream | Good | 69.9 ft | 62 | 2012 |
| 2200th ST over Elk Creek | Good | 138.8 ft | 62 | 2016 |
| FM RD F16 over Moser Creek | Good | 78.1 ft | 60 | 1994 |
| Redwood AVE over Dutch Branch | Good | 86.9 ft | 51 | 2014 |
| 1000th ST over Buck Creek | Good | 75.1 ft | 51 | 2018 |
| Local over Mosquito Creek | Good | 229.0 ft | 51 | 2004 |
| Fir RD over Mosquito Creek | Good | 188.6 ft | 50 | 2016 |
| 800th Street over Small Stream | Good | 46.9 ft | 46 | 2023 |
| Ginkgo RD over Small Stream | Good | 85.0 ft | 46 | 2015 |
| Local over Kidds Creek | Good | 69.9 ft | 46 | 2003 |
| 2100th ST over Snake Creek | Good | 74.1 ft | 46 | 2018 |
| Local over W Fork W Nishnabotna Rvr | Good | 164.0 ft | 45 | 1992 |
| 1250th ST over Trib To Mosquito Creek | Good | 129.9 ft | 42 | 2021 |
| Redwood Road over Prairie Rose Spillway | Good | 58.7 ft | 41 | 2023 |
| Wildwood RD over Small Stream | Good | 80.1 ft | 41 | 2012 |
| Local over Mosquito Creek | Good | 216.9 ft | 41 | 2000 |
| Local over Long Branch | Good | 154.2 ft | 41 | 2013 |
| Local over W Nishnabotna River | Good | 153.9 ft | 41 | 1994 |
| Hazel RD over Moser Creek | Good | 59.4 ft | 41 | 2013 |
| Nishna AVE over Small Stream | Good | 120.1 ft | 40 | 2015 |
| Woodland RD over Small Stream | Good | 59.1 ft | 35 | 2019 |
| 1700th ST over Lyons Creek | Good | 100.1 ft | 35 | 2016 |
| Local over Small Stream | Good | 61.0 ft | 35 | 1995 |
| Local over E Branch W. Nishabotna | Good | 229.0 ft | 34 | 2005 |
| Local over Indian Creek | Good | 201.4 ft | 30 | 2011 |
| 660th ST over Silver Creek | Good | 80.1 ft | 30 | 2017 |
| Local over Little Silver Creek | Good | 65.0 ft | 30 | 2000 |
| Local over Buck Creek | Good | 128.0 ft | 30 | 1991 |
| FM over Indian Creek | Good | 191.9 ft | 29 | 1989 |
| FM over E Br W Nishnabotna River | Good | 251.0 ft | 29 | 1998 |
| 300th ST over E Br Keg Creek | Good | 58.1 ft | 29 | 2020 |
| FM RD F32 over Long Branch | Good | 153.9 ft | 29 | 1999 |
| FM RD F32 over E Branch W. Nish. River | Good | 205.1 ft | 29 | 2001 |
| FM RD F32 over Small Stream | Good | 128.9 ft | 29 | 1982 |
| FM RD M56 over East Br West Nishnabotna | Good | 216.9 ft | 29 | 1986 |
| Orange RD over Dutch Branch | Good | 69.9 ft | 26 | 2019 |
| Local over Keg Creek | Good | 79.1 ft | 26 | 2008 |
| 1800th ST over W Fork W Nishnabotna | Good | 216.9 ft | 26 | 2017 |
| Timber Road over Walnut Creek | Good | 46.9 ft | 21 | 2021 |
| Spruce Loop over Small Stream | Good | 127.0 ft | 21 | 2000 |
| Wildwood RD over Small Stream | Good | 79.1 ft | 21 | 2012 |
| Local over Small Stream | Good | 132.9 ft | 21 | 2002 |
| 500th ST over Silver Creek | Good | 78.1 ft | 15 | 2017 |
| 1800th ST over Lyons Creek | Good | 46.9 ft | 15 | 2022 |
| FM over W. Nishnabotna River | Good | 142.1 ft | 15 | 1992 |
| Juniper RD over Lyons Creek | Good | 84.0 ft | 11 | 2016 |
| 1100th Street over Keg Creek | Good | 74.1 ft | 10 | 2024 |
| Local over Stream | Good | 24.0 ft | 5 | 1996 |