| N 16th ST over Drainage | Poor | 104.0 ft | 1,073 | 1900 |
| M-63 / O AVE over Snake Creek | Poor | 106.0 ft | 837 | 1962 |
| M-70/redwood over Neely Branch | Poor | 157.2 ft | 678 | 1962 |
| D Avenue over Nishnabotna River | Poor | 365.2 ft | 477 | 1949 |
| J-20/140th ST over Unnamed Stream | Poor | 129.9 ft | 450 | 1964 |
| Argus RD over Four Mile Creek | Poor | 69.9 ft | 392 | 1950 |
| 310th Street over West Tarkio Creek | Poor | 212.9 ft | 329 | 1968 |
| 310th Street over Mid Tarkio Creek | Poor | 112.9 ft | 329 | 1968 |
| 310th Street over West Mill Creek | Poor | 163.1 ft | 309 | 1979 |
| J-31/185th ST over East Nodaway River | Poor | 253.0 ft | 190 | 1960 |
| Rose Avenue over No Business Creek | Poor | 55.1 ft | 170 | 1900 |
| J-28 / 170th ST over West Tarkio River | Poor | 128.0 ft | 120 | 1952 |
| A Avenue over Stream | Poor | 30.8 ft | 110 | 1980 |
| 190th Street over Small Stream | Poor | 69.9 ft | 79 | 1963 |
| M-32 / C AVE over Stream | Poor | 153.9 ft | 71 | 1952 |
| 216th Street over Snake Creek | Poor | 128.0 ft | 71 | 1961 |
| 190th Street over West Tarkio Creek | Poor | 129.9 ft | 71 | 1958 |
| C Avenue over West Tarkio River | Poor | 179.1 ft | 60 | 1957 |
| L Avenue over Snake Creek | Poor | 136.2 ft | 60 | 1979 |
| J-28 / 170th ST over Tarkio Creek | Poor | 178.1 ft | 60 | 1956 |
| 110th Street over Middle Tarkio River | Poor | 256.9 ft | 60 | 1949 |
| J Avenue over West Tarkio River | Poor | 130.9 ft | 60 | 1960 |
| F Avenue over Stream | Poor | 90.9 ft | 50 | 1951 |
| T Avenue over Stream | Poor | 79.1 ft | 50 | 1976 |
| Sycamore AVE over Stream | Poor | 91.9 ft | 45 | 1961 |
| 280th Street over West Mill Creek | Poor | 80.1 ft | 34 | 1940 |
| 240th Street over Buchanan Creek | Poor | 103.0 ft | 34 | 1986 |
| R Avenue over Stream | Poor | 78.1 ft | 26 | 1980 |
| 150th Street over Stream | Poor | 111.9 ft | 26 | 1941 |
| 220th Street over Snake Creek | Poor | 90.9 ft | 20 | 1980 |
| Kiwi Avenue over Buck Creek | Poor | 62.0 ft | 20 | 1994 |
| G Avenue over W Tarkio River | Poor | 128.0 ft | 20 | 1972 |
| F Avenue over West Tarkio Creek | Poor | 123.0 ft | 20 | 1977 |
| S Avenue over Stream | Poor | 104.0 ft | 20 | 1984 |
| 110th Street over Stream | Poor | 128.0 ft | 20 | 1953 |
| 110th Street over West Tarkio River | Poor | 78.1 ft | 20 | 1953 |
| 302nd Street over West Mill Creek | Poor | 91.9 ft | 15 | 1930 |
| 320th Street over Middle Tarkio Creek | Poor | 78.1 ft | 15 | 1953 |
| Upland Avenue over Stream | Poor | 63.0 ft | 15 | 1986 |
| 260th Street over Tarkio River | Poor | 253.0 ft | 15 | 1960 |
| 150th Street over West Tarkio River | Poor | 92.8 ft | 15 | 1964 |
| Nutmeg Avenue over East Mill Creek | Poor | 24.9 ft | 11 | 1989 |
| Ivy Avenue over Long Branch | Poor | 91.9 ft | 11 | 1955 |
| 240th Street over Stream | Poor | 70.9 ft | 11 | 1974 |
| M Avenue over Stream | Poor | 82.0 ft | 11 | 1900 |
| 180th Street over Stream | Poor | 78.1 ft | 11 | 1953 |
| Fremont/page over Stream | Poor | 21.0 ft | 10 | 1977 |
| Field Entrance over Stream (sdb) | Poor | 24.0 ft | 10 | 1900 |
| Field Entrance over Stream (sdb) | Poor | 24.0 ft | 10 | 1900 |
| Field Entrance over Drainage (sdb) | Poor | 32.2 ft | 10 | 1990 |
| Field Ent. over Drainage (sdb) | Poor | 23.0 ft | 10 | 1900 |
| Field Entrance over Drainage (sdb) | Poor | 24.9 ft | 10 | 1900 |
| Field Entrance over Drainage (sdb) | Poor | 23.0 ft | 10 | 1900 |
| Teak AVE over Stream | Poor | 43.0 ft | 5 | 1999 |
| M Avenue over Middle Tarkio River | Poor | 162.1 ft | 5 | 1951 |
| K Avenue over Stream | Poor | 33.1 ft | 5 | 1999 |
| US 59 over Johnson Run Creek | Fair | 33.1 ft | 8,100 | 1960 |
| US 71 over Stream | Fair | 123.0 ft | 3,450 | 1972 |
| US 71 over Stream | Fair | 123.0 ft | 3,410 | 1972 |
| US 71 & Ia 2 over West Nodaway River | Fair | 336.0 ft | 3,360 | 1972 |
| US 71 over Drainage Ditch | Fair | 21.0 ft | 3,000 | 1973 |
| US 71 over Stream | Fair | 26.9 ft | 3,000 | 1924 |
| Ia 48 over Four Mile Creek | Fair | 39.0 ft | 2,960 | 1995 |
| Ia 2 over East Nodaway River | Fair | 201.1 ft | 2,680 | 1975 |
| Ia 48 over Rocky Branch | Fair | 133.9 ft | 2,380 | 1969 |
| US 71 over Stream | Fair | 83.0 ft | 2,090 | 1972 |
| US 59 over Stream | Fair | 92.8 ft | 1,810 | 1930 |
| Ia 48 over Ramp Creek | Fair | 23.0 ft | 1,780 | 1987 |
| 140th Street over Middle Tarkio River | Fair | 230.0 ft | 687 | 1987 |
| O Avenue over East Tarkio River | Fair | 154.9 ft | 668 | 1993 |
| 280th Street over Middle Mill Creek | Fair | 25.9 ft | 399 | 1988 |
| 310th Street over Middle Mill Creek | Fair | 22.0 ft | 309 | 1980 |
| 270th Street over Tarkio River | Fair | 275.9 ft | 303 | 1977 |
| 270th Street over West Tarkio Creek | Fair | 325.1 ft | 300 | 1979 |
| 310th Street over Tarkio River | Fair | 229.0 ft | 210 | 1968 |
| M-60 / M AVE over Stream | Fair | 129.9 ft | 210 | 1962 |
| Hackberry AVE over Tarkio River | Fair | 324.1 ft | 199 | 1975 |
| Hackberry AVE over Long Branch | Fair | 179.1 ft | 199 | 1975 |
| Hackberry AVE over Stream | Fair | 179.1 ft | 141 | 1975 |
| N Avenue over Snake Creek | Fair | 102.0 ft | 110 | 1986 |
| Teak Avenue over Buchanan Creek | Fair | 219.2 ft | 89 | 1979 |
| 290th Street over West Mill Creek | Fair | 131.9 ft | 79 | 1957 |
| Willow Avenue over Stream | Fair | 22.0 ft | 71 | 1954 |
| 260th Street over East Nodaway River | Fair | 220.1 ft | 60 | 1985 |
| 260th Street over Buchanan Creek | Fair | 157.2 ft | 60 | 1959 |
| 110th Street over East Tarkio River | Fair | 104.0 ft | 60 | 1977 |
| V Avenue over Buchanan Creek | Fair | 175.9 ft | 50 | 1975 |
| 190th Street over East Tarkio Creek | Fair | 205.1 ft | 50 | 1972 |
| 270th Street over Middle Mill Creek | Fair | 21.0 ft | 45 | 1987 |
| 160th Street over E Tarkio River | Fair | 139.1 ft | 45 | 1986 |
| 170th Street over Neely Branch | Fair | 94.2 ft | 45 | 1957 |
| 120th Street over Stream | Fair | 22.0 ft | 45 | 1990 |
| North ST over Mid Tarkio Creek | Fair | 91.9 ft | 43 | 1955 |
| Fremont AVE over Fisher Creek | Fair | 115.2 ft | 41 | 1985 |
| V Avenue over Stream | Fair | 130.9 ft | 40 | 1959 |
| Oak Avenue over East Mill Creek | Fair | 24.9 ft | 40 | 1988 |
| 290th Street over West Tarkio Creek | Fair | 246.1 ft | 40 | 1984 |
| Local RD over West Tarkio Creek | Fair | 294.0 ft | 40 | 1978 |
| V Avenue over Stream | Fair | 127.0 ft | 40 | 1982 |
| 160th Street over Neely Branch | Fair | 145.0 ft | 40 | 1983 |
| 290th Street over Middle Mill Creek | Fair | 24.9 ft | 34 | 1988 |
| 300th Street over Stream | Fair | 89.9 ft | 34 | 1962 |
| 230th Street over Tarkio River | Fair | 212.9 ft | 34 | 1948 |
| Ironwood AVE over Buck Creek | Fair | 90.9 ft | 34 | 1982 |
| 160th Street over Stream | Fair | 24.9 ft | 34 | 1988 |
| L Avenue over East Tarkio River | Fair | 169.0 ft | 34 | 1958 |
| F Avenue over Stream | Fair | 28.9 ft | 34 | 1986 |
| X Avenue over Stream | Fair | 58.1 ft | 29 | 1961 |
| 290th Street over Buchanan Creek | Fair | 137.1 ft | 29 | 1981 |
| 305th Street over Stream | Fair | 28.9 ft | 29 | 1990 |
| Oak Avenue over Middle Mill Creek | Fair | 28.9 ft | 29 | 1989 |
| Nutmeg Avenue over Middle Mill Creek | Fair | 35.1 ft | 29 | 1992 |
| 290th Street over Long Branch | Fair | 145.0 ft | 29 | 1984 |
| 255th Street over Long Branch | Fair | 70.9 ft | 29 | 1963 |
| 160th Street over W Tarkio River | Fair | 74.1 ft | 29 | 2002 |
| B Avenue over Stream | Fair | 24.0 ft | 29 | 1990 |
| 110th Street over Nishnabotna River | Fair | 324.1 ft | 29 | 1980 |
| 270th Street over West Mill Creek | Fair | 131.9 ft | 26 | 1957 |
| B Avenue over West Tarkio Creek | Fair | 201.1 ft | 26 | 1995 |
| X Avenue over Buchanan Creek | Fair | 151.9 ft | 26 | 1957 |
| 230th Street over Stream | Fair | 117.1 ft | 26 | 1986 |
| 170th Street over East Tarkio Creek | Fair | 128.9 ft | 26 | 1956 |
| 160th Street over Stream | Fair | 95.1 ft | 26 | 1961 |
| 180th Street over W Tarkio River | Fair | 144.0 ft | 26 | 1985 |
| 130th Street over E Tarkio River | Fair | 99.1 ft | 26 | 1996 |
| 150th Street over East Tarkio River | Fair | 142.1 ft | 26 | 1984 |
| 105th Street over Stream | Fair | 24.0 ft | 26 | 2005 |
| N 1st ST over Stream | Fair | 75.1 ft | 24 | 1984 |
| 280th Street over Long Branch | Fair | 33.1 ft | 20 | 1997 |
| Quince Avenue over Stream | Fair | 127.0 ft | 20 | 1977 |
| 180th Street over East Tarkio River | Fair | 169.0 ft | 20 | 1984 |
| Upland Avenue over Stream | Fair | 22.0 ft | 20 | 1994 |
| 120th Street over West Tarkio River | Fair | 112.9 ft | 20 | 1979 |
| V Avenue over Stream | Fair | 25.9 ft | 20 | 1987 |
| 255th Street over West Mill Creek | Fair | 94.2 ft | 15 | 1957 |
| Lumber Avenue over Stream | Fair | 24.0 ft | 15 | 1990 |
| P Avenue over East Mill Creek | Fair | 23.0 ft | 11 | 1997 |
| 130th Street over Middle Tarkio River | Fair | 169.0 ft | 11 | 1984 |
| Field Ent. over Stream (sdb) | Fair | 23.0 ft | 10 | 1995 |
| 230th Street over South Branch | Fair | 67.9 ft | 5 | 1999 |
| Local over E Tarkio River | Fair | 74.1 ft | 5 | 1991 |
| Ia 2 over Snake Creek | Good | 98.1 ft | 3,170 | 1991 |
| Ia 2 over Middle Tarkio River | Good | 211.0 ft | 2,790 | 1992 |
| Ia 2 over East Tarkio River | Good | 188.0 ft | 2,790 | 1991 |
| Ia 2 over West Tarkio River | Good | 170.9 ft | 2,650 | 1991 |
| Ia 48 over Fishbaugh Ditch | Good | 24.9 ft | 2,430 | 1969 |
| US 71 over Stream | Good | 25.9 ft | 2,170 | 1972 |
| East Washington ST over W Nodaway River | Good | 417.0 ft | 2,091 | 2018 |
| Southwest RD over Johnsons Run | Good | 58.4 ft | 1,414 | 2024 |
| J 20 140th Street over West Tarkio River | Good | 112.9 ft | 837 | 2021 |
| J-20/140th ST over East Tarkio River | Good | 142.1 ft | 687 | 2005 |
| J-20/137th ST over West Nodaway River | Good | 212.9 ft | 499 | 1942 |
| J 52 (270th St) over Long Branch | Good | 24.9 ft | 319 | 2012 |
| N Avenue over West Mill Creek | Good | 128.0 ft | 289 | 2001 |
| N 14 (v Ave) over Stream | Good | 24.0 ft | 270 | 2012 |
| 320th Street over Nodaway River | Good | 362.9 ft | 255 | 2005 |
| J53 265th ST over West Nodaway River | Good | 412.1 ft | 223 | 2017 |
| M-41 / E AVE over Unamed Creek | Good | 115.2 ft | 199 | 2004 |
| J-28/170th ST over Jones Creek | Good | 21.0 ft | 190 | 1992 |
| 280th Street over East Nodaway River | Good | 246.1 ft | 150 | 2002 |
| J40 B AVE over Fisher Creek | Good | 44.0 ft | 150 | 2017 |
| J 32 190th Street over Middle Tarkio Creek | Good | 191.9 ft | 142 | 2024 |
| 150th Street over East Nishnabotna River | Good | 457.3 ft | 142 | 2023 |
| A Avenue over Nishnabotna River | Good | 361.9 ft | 110 | 2020 |
| J-35 / 210 ST over East Nodaway River | Good | 246.1 ft | 100 | 1993 |
| C Avenue over Four Mile Creek | Good | 29.9 ft | 89 | 1989 |
| J53 280th Street over Buchanan Creek | Good | 191.9 ft | 71 | 2023 |
| B Avenue over Fourmile Creek | Good | 24.9 ft | 60 | 1988 |
| D Avenue over Stream | Good | 128.0 ft | 60 | 2007 |
| D Avenue over Stream | Good | 24.9 ft | 60 | 1987 |
| J14 102nd ST over Stream | Good | 38.1 ft | 50 | 2016 |
| West Main ST over Stream | Good | 25.9 ft | 47 | 2019 |
| 290th Street over Middle Tarkio River | Good | 246.1 ft | 40 | 2002 |
| F Avenue over Stream | Good | 128.9 ft | 40 | 1987 |
| T Avenue over Stream | Good | 22.0 ft | 40 | 1990 |
| 230th Street over West Tarkio River | Good | 246.1 ft | 34 | 1993 |
| 320th Street over Tarkio River | Good | 246.1 ft | 29 | 2001 |
| K Avenue over Buck Creek | Good | 24.9 ft | 29 | 1997 |
| 160th Street over Middle Tarkio River | Good | 216.9 ft | 29 | 1987 |
| G Avenue over Stream | Good | 25.9 ft | 26 | 1997 |
| 105th Street over Stream | Good | 128.0 ft | 26 | 2005 |
| M Avenue over Stream | Good | 26.9 ft | 20 | 1996 |
| J 56 290th ST over Middle Tarkio Creek | Good | 24.9 ft | 20 | 2020 |
| 300th Street over West Tarkio Creek | Good | 246.1 ft | 20 | 1992 |
| 120th Street over Middle Tarkio River | Good | 189.0 ft | 20 | 2003 |
| J Avenue over Long Branch | Good | 142.1 ft | 15 | 2006 |
| 280th Street over West Tarkio Creek | Good | 246.1 ft | 15 | 2000 |
| 240th Street over West Mill Creek | Good | 24.9 ft | 11 | 1989 |
| Kiwi Avenue over Long Branch | Good | 28.9 ft | 11 | 2023 |
| 300th Street over Tarkio River | Good | 246.1 ft | 5 | 2006 |
| 220th Street over East Tarkio Creek | Good | 150.9 ft | 5 | 2010 |