| Old US 71 over Bnsf Rr | Poor | 188.0 ft | 1,187 | 1929 |
| 4th ST over Red Oak Creek | Poor | 44.0 ft | 861 | 1965 |
| FM over Walnut Creek | Poor | 164.0 ft | 750 | 1967 |
| FM over Walnut Creek | Poor | 128.0 ft | 528 | 1956 |
| Third ST over Middle Nodaway | Poor | 240.2 ft | 415 | 1939 |
| FM over W Nodaway | Poor | 180.1 ft | 300 | 1939 |
| FM over Indian Creek | Poor | 107.9 ft | 270 | 1957 |
| FM over Tarkio Creek | Poor | 152.9 ft | 219 | 1955 |
| FM over Tarkio Creek Trib | Poor | 95.1 ft | 219 | 1959 |
| FM over Little Tarkio | Poor | 103.0 ft | 219 | 1958 |
| FM over Crabapple Creek | Poor | 103.0 ft | 199 | 1958 |
| FM over Nishnabotna Trib | Poor | 103.0 ft | 173 | 1957 |
| FM over Tarkio Creek | Poor | 144.0 ft | 159 | 1949 |
| FM over Walnut Creek Trib | Poor | 24.0 ft | 153 | 1965 |
| Local Road over Local Creek | Poor | 33.1 ft | 112 | 1963 |
| Local RD over M Nodaway River | Poor | 142.1 ft | 100 | 1952 |
| FM over Little Tarkio Trib | Poor | 30.8 ft | 89 | 1964 |
| Local over Over Bnsf Rr | Poor | 159.1 ft | 61 | 1977 |
| Local Road over Minor Drainage | Poor | 118.1 ft | 61 | 1930 |
| FM over Little Tarkio Trib | Poor | 38.1 ft | 60 | 1947 |
| Local over Tarkio Creek | Poor | 131.9 ft | 60 | 1949 |
| FM over Nishnabotna | Poor | 284.1 ft | 60 | 1942 |
| Local over West Nodaway River | Poor | 144.0 ft | 58 | 1924 |
| Local RD over West Nodaway River | Poor | 204.1 ft | 45 | 1940 |
| FM over Little Tarkio Trib | Poor | 30.8 ft | 29 | 1947 |
| FM over Nishnabotna Trib | Poor | 33.1 ft | 29 | 1949 |
| Local RD over W Nodaway River | Poor | 140.1 ft | 26 | 1970 |
| Local over Drainage | Poor | 82.0 ft | 20 | 1945 |
| Local Road over Local Stream | Poor | 90.9 ft | 20 | 1985 |
| Local Road over Walnut Creek | Poor | 163.1 ft | 20 | 1951 |
| Local over Nodaway River | Poor | 60.0 ft | 20 | 1968 |
| Local over Drainage | Poor | 115.2 ft | 20 | 1942 |
| Local Road over Minor Drainage | Poor | 95.1 ft | 20 | 1971 |
| Redwood AVE over Bnsf Rr | Poor | 136.2 ft | 15 | 1913 |
| Local over Drainage | Poor | 58.1 ft | 15 | 1952 |
| Local over Tarkio Creek Trib | Poor | 29.9 ft | 15 | 1956 |
| Local Road over Walnut Creek | Poor | 149.9 ft | 15 | 1930 |
| Local RD over Branch Tarkio Creek | Poor | 30.8 ft | 15 | 1959 |
| Local RD over Tarkio Creek | Poor | 124.0 ft | 11 | 1966 |
| Local over Walnut Creek | Poor | 119.1 ft | 11 | 1966 |
| County Road over Br Tarkio Creek | Poor | 30.8 ft | 11 | 1956 |
| Local over Drainage | Poor | 62.0 ft | 11 | 1966 |
| Local RD over Little Tarkio Creek | Poor | 63.0 ft | 11 | 1950 |
| Local-cass#104b over Tarkio Creek | Poor | 41.0 ft | 11 | 1990 |
| Local over Br Walnut Creek | Poor | 82.0 ft | 11 | 1988 |
| Local over Trib Tarkio | Poor | 62.0 ft | 5 | 1955 |
| Local over Small Stream | Poor | 68.9 ft | 5 | 1985 |
| Local over Drainage | Poor | 65.0 ft | 5 | 1987 |
| Local over Drainage | Poor | 76.1 ft | 5 | 1969 |
| Local over Nishnabotna Trib | Poor | 41.0 ft | 5 | 1970 |
| Local over Drainage | Poor | 62.0 ft | 5 | 1945 |
| Local over Minor Drainage | Poor | 60.0 ft | 5 | 1966 |
| Ia 48 over Stream | Fair | 22.0 ft | 7,600 | 1931 |
| US 34 over East Nishnabotna River | Fair | 354.0 ft | 4,460 | 1964 |
| Ia 48 over Red Oak Creek | Fair | 42.0 ft | 4,460 | 1918 |
| US 34 over Indian Creek | Fair | 127.0 ft | 4,030 | 1964 |
| US 34 over Crabapple Creek | Fair | 123.0 ft | 4,030 | 1964 |
| US 34 over West Tarkio Creek | Fair | 21.0 ft | 3,990 | 1964 |
| US 34 over Tarkio River | Fair | 127.0 ft | 3,990 | 1964 |
| US 34 over Little Tarkio Creek | Fair | 152.9 ft | 2,880 | 1964 |
| US 34 over Middle Nodaway River | Fair | 306.1 ft | 2,240 | 1964 |
| US 71 over Middle Nodaway River | Fair | 261.2 ft | 2,090 | 1972 |
| Ia 48 over East Nishnabotna River | Fair | 356.0 ft | 2,080 | 1973 |
| US 71 over US 34 | Fair | 304.1 ft | 2,040 | 1971 |
| US 71 over Bnsf Rr | Fair | 284.1 ft | 1,640 | 1972 |
| 3rd ST over Red Oak Creek | Fair | 40.0 ft | 1,543 | 1965 |
| US 71 over Fultons Creek | Fair | 103.0 ft | 1,390 | 1972 |
| US 71 over Long Branch Creek | Fair | 29.9 ft | 1,390 | 1970 |
| US 71 over West Nodaway River | Fair | 254.9 ft | 1,370 | 1972 |
| EB US 34 over West Nodaway River | Fair | 274.0 ft | 1,325 | 1964 |
| WB US 34 over West Nodaway River | Fair | 274.9 ft | 1,325 | 1970 |
| FM over Red Oak Creek | Fair | 129.9 ft | 1,275 | 1968 |
| Ia 48 over Overflow Nishnabotna | Fair | 142.1 ft | 1,210 | 1973 |
| Ia 48 over East Nishnabotna River | Fair | 324.1 ft | 1,210 | 1960 |
| Halland AVE over Drainage | Fair | 103.0 ft | 779 | 1960 |
| Broad AVE over Small Stream | Fair | 100.1 ft | 699 | 1949 |
| 2nd ST over Red Oak Creek | Fair | 45.9 ft | 650 | 1968 |
| 8th ST over Red Oak Creek | Fair | 57.1 ft | 571 | 1964 |
| Broad AVE over Branch Tarkio Creek | Fair | 89.9 ft | 527 | 1983 |
| FM over Tarkio Creek | Fair | 128.0 ft | 509 | 1978 |
| FM over Little Tarkio Creek | Fair | 24.9 ft | 509 | 1993 |
| W 4th ST over Red Oak Creek | Fair | 38.1 ft | 501 | 1986 |
| W 2nd ST over Red Oak Creek | Fair | 63.0 ft | 501 | 1965 |
| Elm ST over Coe Creek | Fair | 87.9 ft | 500 | 1972 |
| Nuckols ST over Red Oak Creek | Fair | 100.1 ft | 479 | 1971 |
| FM over Crabapple Creek | Fair | 116.1 ft | 436 | 1994 |
| FM over W Nodaway River | Fair | 246.1 ft | 338 | 1987 |
| FM over Tarkio Ck | Fair | 24.9 ft | 338 | 1977 |
| Forest AVE over Red Oak Creek | Fair | 61.0 ft | 321 | 1955 |
| FM over Over Bnsf Rr | Fair | 175.9 ft | 300 | 1966 |
| FM over Tarkio Creek | Fair | 128.9 ft | 274 | 1988 |
| FM over Walnut Creek | Fair | 153.9 ft | 199 | 1967 |
| Center ST over Drainage | Fair | 103.0 ft | 186 | 1976 |
| FM over Stream | Fair | 22.0 ft | 170 | 1970 |
| FM over Walnut Creek Trib | Fair | 21.0 ft | 153 | 1965 |
| FM over Walnut Creek | Fair | 204.1 ft | 153 | 1988 |
| Frankfort ST over Drainage | Fair | 128.9 ft | 150 | 1967 |
| FM over Walnut Creek Trib | Fair | 21.0 ft | 150 | 1966 |
| FM over Nishnabotna River | Fair | 315.9 ft | 133 | 1972 |
| FM over Indian Creek Trib | Fair | 80.1 ft | 131 | 1957 |
| FM over Nishnabotna Trib | Fair | 128.0 ft | 120 | 1959 |
| Local over Tarkio Creek | Fair | 103.0 ft | 89 | 1971 |
| Local over Nishnabotna Trib | Fair | 95.1 ft | 89 | 1968 |
| Chestnut St. over Coe Creek | Fair | 87.9 ft | 79 | 1996 |
| Local over Nishnabotna Trib | Fair | 103.0 ft | 79 | 1974 |
| FM over Nishnabotna Trib | Fair | 95.1 ft | 72 | 1959 |
| FM over Little Tarkio | Fair | 103.0 ft | 71 | 1959 |
| Local over Nodaway River | Fair | 54.1 ft | 60 | 1993 |
| FM over Creek | Fair | 21.0 ft | 60 | 1975 |
| Local over Walnut Creek | Fair | 128.0 ft | 60 | 1957 |
| Local over Nishnabotna Trib | Fair | 29.9 ft | 51 | 1965 |
| FM over East Tarkio Creek | Fair | 103.0 ft | 50 | 1969 |
| Local over Little Tarkio | Fair | 128.0 ft | 50 | 1967 |
| FM over West Nodaway Trib | Fair | 127.0 ft | 50 | 1959 |
| Local over Nodaway River | Fair | 69.9 ft | 50 | 1982 |
| FM over Trib Of W Nodaway | Fair | 91.9 ft | 50 | 1995 |
| FM over East Tarkio | Fair | 78.1 ft | 45 | 1969 |
| Local over Drainage | Fair | 79.1 ft | 45 | 1992 |
| FM over Sin Creek | Fair | 103.0 ft | 45 | 1959 |
| FM over Tarkio Creek | Fair | 127.0 ft | 45 | 1959 |
| FM over Indian Creek | Fair | 104.0 ft | 45 | 1957 |
| FM over Nishnabotna Trib | Fair | 103.0 ft | 41 | 1968 |
| Local RD over Local Drainage | Fair | 24.0 ft | 35 | 1961 |
| Local over Local Creek | Fair | 52.2 ft | 34 | 1992 |
| FM over Br Nodaway West | Fair | 44.9 ft | 34 | 1958 |
| Local RD over Little Tarkio Creek | Fair | 29.9 ft | 34 | 1957 |
| FM over Nishnabotna Trib | Fair | 24.0 ft | 34 | 1957 |
| Local over Crabapple Creek | Fair | 128.0 ft | 34 | 1967 |
| Local Road over Tarkio Creek | Fair | 128.0 ft | 29 | 1961 |
| Local over Crabapple Creek | Fair | 102.0 ft | 29 | 1984 |
| FM over West Nodaway | Fair | 146.0 ft | 29 | 1957 |
| Local over Seven Mile Creek | Fair | 101.0 ft | 29 | 1972 |
| Local over Indian Creek | Fair | 104.0 ft | 29 | 1956 |
| Local over Crabapple Creek | Fair | 102.0 ft | 29 | 1968 |
| Local over Nodaway Trib | Fair | 30.8 ft | 26 | 1961 |
| Local over Tarkio CR | Fair | 128.0 ft | 26 | 1974 |
| Local RD over Minor Drainage | Fair | 77.1 ft | 26 | 1998 |
| FM over Tarkio Creek Trib | Fair | 34.1 ft | 26 | 1970 |
| Local over Branch Tarkio Creek | Fair | 30.8 ft | 26 | 1961 |
| Local Road over Walnut Creek | Fair | 146.0 ft | 26 | 1967 |
| Local over Walnut Creek | Fair | 178.1 ft | 26 | 1984 |
| Local over Indian Creek Trib | Fair | 102.0 ft | 26 | 1971 |
| FM over Indian Creek Trib | Fair | 89.9 ft | 26 | 1957 |
| Local Road over Local Stream | Fair | 29.9 ft | 20 | 1996 |
| Local over Rama Creek | Fair | 102.0 ft | 20 | 1972 |
| Local over Local Ck | Fair | 103.0 ft | 20 | 1979 |
| Local over Crabapple Creek | Fair | 103.0 ft | 20 | 1968 |
| Local over Indian Creek | Fair | 128.0 ft | 20 | 1968 |
| 100th ST over Drainage | Fair | 103.0 ft | 20 | 1990 |
| Local over Minor Drainage | Fair | 152.9 ft | 20 | 1966 |
| Local over Sin CR | Fair | 102.0 ft | 20 | 1974 |
| Local Road over Local Creek | Fair | 98.1 ft | 15 | 1998 |
| Local Road over Little Tarkio Creek | Fair | 56.1 ft | 15 | 1960 |
| Local over Tarkio Creek | Fair | 29.9 ft | 15 | 1958 |
| Local RD over Indian Creek | Fair | 49.9 ft | 15 | 1971 |
| Local over Sin Creek | Fair | 118.1 ft | 15 | 1964 |
| FM over Tarkio Creek | Fair | 102.0 ft | 15 | 1957 |
| Local over Indian Creek | Fair | 130.9 ft | 15 | 1997 |
| County Road over Branch Tarkio Creek | Fair | 30.8 ft | 11 | 1959 |
| Local Road over Ashby Creek | Fair | 80.1 ft | 11 | 1975 |
| Local Road over Branch Of Tarkio Creek | Fair | 119.1 ft | 11 | 1992 |
| Local over Crabapple Creek | Fair | 102.0 ft | 11 | 1979 |
| FM over West Nodaway Trib | Fair | 102.0 ft | 11 | 1961 |
| Local over Seven Mile Creek | Fair | 168.0 ft | 11 | 1983 |
| Local over Small Stream | Fair | 78.1 ft | 5 | 1987 |
| US 34 over Walnut Creek | Good | 170.9 ft | 3,730 | 1964 |
| FM over Nishnabotna River | Good | 355.0 ft | 2,231 | 1997 |
| Ia 48 over Morman Branch Creek | Good | 28.9 ft | 2,000 | 1987 |
| Local Road over Branch Of Tarkio Creek | Good | 150.9 ft | 1,404 | 2003 |
| US 71 over Sin Creek | Good | 167.0 ft | 1,390 | 1970 |
| US 71 over Longs Branch | Good | 163.1 ft | 1,390 | 1970 |
| Ia 48 over Coe Creek | Good | 34.1 ft | 1,210 | 1974 |
| FM over Nishnabotna River | Good | 345.1 ft | 761 | 2002 |
| Eastern AVE over Red Oak Creek | Good | 87.9 ft | 649 | 1980 |
| H54 265th ST over West Nodaway | Good | 292.0 ft | 300 | 2017 |
| Highland AVE over Red Oak Creek | Good | 62.0 ft | 292 | 2009 |
| FM over Tarkio Creek | Good | 128.0 ft | 274 | 1994 |
| FM over Seven Mile Creek | Good | 191.9 ft | 259 | 2007 |
| FM over Tarkio Creek | Good | 55.1 ft | 259 | 2006 |
| M37 Boxelder AVE over Bnsf Rr | Good | 236.9 ft | 249 | 2014 |
| H20 (150th St) over Nishnabotna River | Good | 312.0 ft | 159 | 2013 |
| Nuckols ST over Red Oak Creek | Good | 103.0 ft | 150 | 2001 |
| FM over Bayou-nishnabotna | Good | 152.9 ft | 133 | 1999 |
| G13 U AVE over West Nodaway River | Good | 216.9 ft | 120 | 2018 |
| Fm-210th Street over Middle Nodaway River | Good | 275.9 ft | 100 | 2004 |
| M37 Boxelder AVE over Crabapple Creek | Good | 38.1 ft | 100 | 2021 |
| FM over Tributary To Nodaway | Good | 49.9 ft | 79 | 2010 |
| FM over West Nodaway | Good | 226.0 ft | 71 | 2003 |
| FM over Walnut Creek | Good | 180.1 ft | 61 | 1988 |
| FM over W Nodaway River | Good | 273.0 ft | 60 | 1999 |
| Local over Nishnabotna Trib | Good | 29.9 ft | 50 | 1992 |
| SR N18 (t Ave) over Trib W Nodaway River | Good | 22.0 ft | 40 | 2011 |
| Local over Nishnabotna Trib | Good | 29.9 ft | 40 | 2003 |
| Local Road over Tarkio Creek | Good | 69.9 ft | 34 | 1996 |
| 250th ST over Walnut Creek | Good | 191.9 ft | 30 | 2011 |
| 180th ST over Little Tarkio Creek | Good | 26.6 ft | 30 | 2023 |
| 210th ST over Walnut Creek | Good | 191.9 ft | 30 | 2019 |
| N18 T AVE over W Nodaway River | Good | 24.0 ft | 29 | 2015 |
| H20 140th ST over Seven Mile Creek | Good | 179.1 ft | 29 | 2022 |
| Local over Indian Creek | Good | 128.0 ft | 26 | 1994 |
| M55 J AVE over Nishnabotna Trib | Good | 47.9 ft | 26 | 2003 |
| Local over Walnut Creek | Good | 153.9 ft | 20 | 1978 |
| Local over Trib Seven Mile | Good | 132.9 ft | 20 | 1999 |
| Local Road over Indian Creek | Good | 103.0 ft | 20 | 1977 |
| FM over Indian Creek | Good | 123.0 ft | 20 | 2010 |
| Local over Drainage | Good | 21.0 ft | 15 | 1990 |
| 230th ST over Walnut Creek | Good | 191.9 ft | 15 | 2019 |
| 100th ST over Drainage | Good | 92.8 ft | 15 | 2015 |
| Local over Crapable Tree | Good | 87.9 ft | 5 | 2000 |