| FM - Olive over Nishnabotna River | Poor | 253.0 ft | 1,524 | 1961 |
| FM - 690th over Sevenmile Creek | Poor | 153.9 ft | 468 | 1971 |
| FM - 690th over Waterway | Poor | 144.0 ft | 450 | 1963 |
| FM - 690th over Waterway | Poor | 78.1 ft | 450 | 1970 |
| Washington ST over Drainage To Camp Creek | Poor | 79.1 ft | 405 | 1983 |
| FM - Lansing over Waterway | Poor | 24.9 ft | 379 | 1900 |
| FM - 690th over Jim Creek | Poor | 78.1 ft | 329 | 1971 |
| Local - 560th over Creek | Poor | 40.0 ft | 269 | 1983 |
| FM - 690th over Troublesome Creek | Poor | 169.9 ft | 210 | 1960 |
| FM - 690th over Nodaway River | Poor | 169.9 ft | 190 | 1970 |
| W 4th ST over Camp Creek | Poor | 128.0 ft | 170 | 1976 |
| FM - Oxford over Seven Mile Creek | Poor | 128.0 ft | 139 | 1974 |
| FM - Jackson over Waterway | Poor | 62.0 ft | 139 | 1985 |
| FM - Boston over Nishnabotna River | Poor | 212.9 ft | 131 | 1951 |
| Local/buck Crk over East Nishnabotna River | Poor | 201.1 ft | 123 | 1900 |
| Local - 770th over Small | Poor | 43.0 ft | 91 | 1980 |
| Quincy RD over Waterway | Poor | 37.1 ft | 91 | 1975 |
| Local/rockport over Waterway | Poor | 53.1 ft | 89 | 1900 |
| Local - 540th over Waterway | Poor | 45.9 ft | 72 | 1991 |
| Local - Nshna V over Small Stream | Poor | 63.0 ft | 62 | 1986 |
| Local - Hamburg over Turkey Creek | Poor | 102.0 ft | 62 | 1974 |
| FM - Lansing over Waterway | Poor | 210.0 ft | 60 | 1952 |
| Local - 740th over West Nodaway River | Poor | 64.0 ft | 51 | 1978 |
| Local - 665th over Creek | Poor | 40.0 ft | 51 | 1983 |
| FM - Yankton over Waterway | Poor | 44.9 ft | 50 | 1958 |
| 540th ST over Stream | Poor | 40.0 ft | 50 | 1984 |
| Local - 540th over Lone Tree Branch | Poor | 49.9 ft | 50 | 1987 |
| Local - Yankton over Waterway | Poor | 54.1 ft | 46 | 1951 |
| Local - 700th over Waterway | Poor | 40.0 ft | 46 | 1967 |
| Local - Jasper over Nishnabotna River | Poor | 234.9 ft | 46 | 1959 |
| FM - 730th over Elm Creek | Poor | 44.9 ft | 45 | 1956 |
| FM - Indian Crk over Waterway | Poor | 44.9 ft | 45 | 1955 |
| Local/victoria over Small | Poor | 44.0 ft | 41 | 1959 |
| Local - Quincy over West Nodaway River | Poor | 99.1 ft | 41 | 1982 |
| Local - 665th over Jim Branch | Poor | 40.0 ft | 41 | 1978 |
| Local/buck Crk over Waterway | Poor | 41.0 ft | 41 | 1967 |
| Local/richland over Waterway | Poor | 44.0 ft | 40 | 1959 |
| Local/richland over Waterway | Poor | 44.0 ft | 40 | 1959 |
| Local - 765th over Waterway | Poor | 28.9 ft | 35 | 1900 |
| Local/keystone over Turkey Creek | Poor | 140.1 ft | 35 | 1900 |
| Local - Daytona over Buck Creek | Poor | 106.0 ft | 35 | 1980 |
| FM - Yankton over Nodaway River | Poor | 183.1 ft | 34 | 1949 |
| FM - 660th over Jim Creek | Poor | 56.1 ft | 34 | 1956 |
| Local - Wichita over Three Mile Creek | Poor | 40.0 ft | 30 | 1972 |
| Local - 570th over Waterway | Poor | 53.1 ft | 30 | 1955 |
| Local - Quincy over Waterway | Poor | 41.0 ft | 30 | 1967 |
| Local - 635th over Troublesome Creek | Poor | 94.2 ft | 30 | 1979 |
| Local - 730th over Waterway | Poor | 32.2 ft | 30 | 1958 |
| Local - Chicago over Buck Creek | Poor | 128.0 ft | 30 | 1900 |
| FM - 660th over Lone Tree Creek | Poor | 57.1 ft | 29 | 1900 |
| FM - Boston over Crooked Creek | Poor | 153.9 ft | 29 | 1950 |
| Local - Wichita over Nodaway River | Poor | 149.0 ft | 26 | 1988 |
| Local - Upland over Waterway | Poor | 40.0 ft | 26 | 1983 |
| Local/newport over Creek | Poor | 42.0 ft | 26 | 1959 |
| Local - Quebec over Seven Mile Creek | Poor | 113.8 ft | 26 | 1981 |
| Local - Nshna V over Indian Creek | Poor | 145.0 ft | 26 | 1920 |
| Local/keystone over Creek | Poor | 43.0 ft | 26 | 1900 |
| Local/keystone over Creek | Poor | 49.9 ft | 26 | 1981 |
| Local - 740th over Creek | Poor | 76.1 ft | 26 | 1900 |
| FM - 710th over Waterway | Poor | 50.9 ft | 26 | 1955 |
| Local over Waterway | Poor | 52.2 ft | 26 | 1955 |
| Local/eastland over Buck Creek | Poor | 105.0 ft | 26 | 1974 |
| Local - 670th over Lone Tree Branch | Poor | 42.0 ft | 21 | 1978 |
| Local - Pella over Fox Creek | Poor | 47.9 ft | 21 | 1987 |
| Local - 700th over Turkey Creek | Poor | 69.9 ft | 21 | 1978 |
| Local over Creek | Poor | 42.0 ft | 21 | 1997 |
| Local - 555th over Camp Creek | Poor | 144.0 ft | 21 | 1976 |
| Local over Turkey Creek | Poor | 128.9 ft | 21 | 1981 |
| Local/fairview over Creek | Poor | 43.0 ft | 21 | 1959 |
| FM - 710th over Waterway | Poor | 32.2 ft | 20 | 1958 |
| FM - Dallas over Troublesome River | Poor | 169.9 ft | 20 | 1959 |
| Local - Upland over Threemile Creek | Poor | 60.0 ft | 15 | 1996 |
| Local - Upland over Seven Mile Creek | Poor | 121.1 ft | 15 | 1976 |
| Local - 620th over Waterway | Poor | 75.1 ft | 15 | 1977 |
| Local - 560th over Waterway | Poor | 24.9 ft | 15 | 1900 |
| Local - 680th over Seven Mile Creek | Poor | 155.8 ft | 15 | 1979 |
| Newport RD over Bear Branch | Poor | 60.0 ft | 15 | 1984 |
| Local/keystone over Spring Creek | Poor | 71.9 ft | 15 | 1900 |
| Local - 640th over Creek | Poor | 94.2 ft | 15 | 1977 |
| Local - Chicago over Creek | Poor | 41.0 ft | 15 | 1977 |
| Local/fairview over Stream | Poor | 96.1 ft | 15 | 1979 |
| Local - 760th over Stale Branch | Poor | 40.0 ft | 11 | 1986 |
| Local - 710th over W Nodaway | Poor | 76.1 ft | 11 | 1977 |
| Local - Wichita over Seven Mile Creek | Poor | 109.9 ft | 11 | 1978 |
| Local - 740th over Waterway | Poor | 49.9 ft | 11 | 1985 |
| Local - 760th over West Nodaway Creek | Poor | 80.1 ft | 11 | 1988 |
| Local - 710th over Waterway | Poor | 43.0 ft | 11 | 1955 |
| Local - 680th over Waterway | Poor | 36.1 ft | 11 | 1976 |
| Local - 640th over Lone Tree Branch | Poor | 49.9 ft | 11 | 1987 |
| Local - Akron over Small Stream | Poor | 128.0 ft | 11 | 1987 |
| Akron RD over Stream | Poor | 29.9 ft | 11 | 1978 |
| Local - 700th over Trib Troublesome Creek | Poor | 105.0 ft | 11 | 1983 |
| Local - 100th over Creek | Poor | 81.0 ft | 11 | 1900 |
| Local - Upland over Whistlers Branch | Poor | 40.0 ft | 5 | 1983 |
| Local - 680th over Waterway | Poor | 42.0 ft | 5 | 1985 |
| Local - 660th over Stream | Poor | 104.0 ft | 5 | 1981 |
| Local over Clarks Creek | Poor | 70.9 ft | 5 | 1966 |
| Local - Memphis over Turkey CR | Poor | 98.1 ft | 5 | 1900 |
| Local - Memphis over Small Stream | Poor | 40.0 ft | 5 | 1978 |
| Local - 675th over Creek | Poor | 66.9 ft | 5 | 1961 |
| Independence RD over Creek | Poor | 22.0 ft | 5 | 2005 |
| Local/730th LN over Waterway | Poor | 49.9 ft | 5 | 1995 |
| Local - Akron over Troublesome Creek | Poor | 115.2 ft | 5 | 1900 |
| Local - 580th over Little Camp Creek | Poor | 42.0 ft | 5 | 1981 |
| I-80 over Camp Creek | Fair | 37.1 ft | 23,500 | 1965 |
| I-80 over Drainage Ditch | Fair | 23.0 ft | 23,000 | 1959 |
| I-80 over Stream | Fair | 26.9 ft | 22,400 | 1965 |
| EB I-80 over 570th ST | Fair | 115.2 ft | 11,750 | 1966 |
| WB I-80 over 570th ST | Fair | 115.2 ft | 11,750 | 1966 |
| EB I-80 over 770th Street | Fair | 162.1 ft | 11,650 | 1958 |
| WB I-80 over 770th Street | Fair | 162.1 ft | 11,650 | 1958 |
| EB I-80 over Buck Ck & Buck Ck RD | Fair | 170.9 ft | 11,600 | 1965 |
| WB I-80 over Buck Ck & Buck Ck RD | Fair | 170.9 ft | 11,600 | 1965 |
| EB I-80 over SR N-28 | Fair | 153.9 ft | 11,450 | 1959 |
| US 6 & 71 & Ia 83 over Over Iais Rr | Fair | 222.1 ft | 4,620 | 1979 |
| Ia 83 over East Nishnabotna River | Fair | 214.9 ft | 3,690 | 1934 |
| US 6 over Stream | Fair | 23.0 ft | 3,050 | 1928 |
| Ia 83 over Buck Creek | Fair | 184.1 ft | 2,810 | 1979 |
| US 71 over Four Mile Creek | Fair | 22.0 ft | 2,280 | 1971 |
| US 6 & 71 over East Nishnabotna River | Fair | 285.1 ft | 2,270 | 1959 |
| US 6 over Turkey Creek | Fair | 213.9 ft | 2,000 | 1959 |
| US 6 over Stream | Fair | 22.0 ft | 1,960 | 1925 |
| US 6 over Indian Creek | Fair | 284.1 ft | 1,760 | 1959 |
| US 6 over Spring Creek | Fair | 184.1 ft | 1,760 | 1960 |
| US 6 over East Nishnabotna River | Fair | 386.2 ft | 1,760 | 1961 |
| Ia 48 over Baughmans Creek | Fair | 103.0 ft | 1,570 | 1973 |
| G 30 White Pole RD over Small Stream | Fair | 21.0 ft | 1,564 | 1993 |
| Olive ST over Troublesome Creek | Fair | 207.0 ft | 1,442 | 1968 |
| Ia 173 over I-80 | Fair | 234.9 ft | 1,430 | 1964 |
| Ia 48 over Drainage Ditch | Fair | 92.8 ft | 1,250 | 1974 |
| Ia 48 over East Nishnabotna River | Fair | 325.1 ft | 1,120 | 1959 |
| Ia 48 over Clarks Branch | Fair | 32.2 ft | 1,090 | 1974 |
| SR N-16 over I-80 | Fair | 222.1 ft | 837 | 1964 |
| Ia 148 over Seven Mile Creek | Fair | 92.8 ft | 790 | 1994 |
| Ia 148 over Stream | Fair | 21.0 ft | 770 | 1959 |
| Ia 148 over Stream | Fair | 33.1 ft | 770 | 1959 |
| Ia 148 over Elm Creek | Fair | 28.9 ft | 770 | 1959 |
| Ia 83 over Indian Creek | Fair | 216.9 ft | 760 | 1991 |
| Ia 83 over Camp Creek | Fair | 149.9 ft | 760 | 1991 |
| Ia 83 over Compton Creek | Fair | 20.0 ft | 760 | 1936 |
| Local over Buck Creek | Fair | 128.0 ft | 537 | 2005 |
| Ia 148 over I-80 | Fair | 217.8 ft | 410 | 1958 |
| FM - Highland over East Nishnabotna | Fair | 253.0 ft | 329 | 1959 |
| Truman RD over Turkey Creek | Fair | 142.1 ft | 170 | 1987 |
| 740th ST over I-80 | Fair | 219.2 ft | 145 | 1958 |
| Local - 740th over Crooked Creek | Fair | 127.0 ft | 145 | 1984 |
| FM - 570th over Spring Creek | Fair | 83.0 ft | 120 | 1980 |
| Nishna ST over Small Creek | Fair | 20.0 ft | 101 | 1983 |
| Truman RD over Drainage | Fair | 44.9 ft | 95 | 1900 |
| Local - Jasper over Creek | Fair | 41.0 ft | 91 | 1984 |
| FM - 660th over Seven Mile Creek | Fair | 165.0 ft | 89 | 1979 |
| FM - Highland over Buck Creek | Fair | 128.0 ft | 89 | 1983 |
| FM - 730th ST over Waterway | Fair | 78.1 ft | 79 | 1969 |
| FM - 570th over Iais Rr | Fair | 170.9 ft | 79 | 1952 |
| 670th Road over I-80 | Fair | 217.8 ft | 72 | 1959 |
| Local - York over Three Mile Creek | Fair | 82.0 ft | 72 | 1982 |
| FM - Seattle over Seven Mile Creek | Fair | 169.9 ft | 71 | 1968 |
| FM - 710th over Waterway | Fair | 102.0 ft | 71 | 1966 |
| Local - 740th over Elm Creek | Fair | 49.9 ft | 62 | 1984 |
| Local - Wichita over Small | Fair | 22.0 ft | 62 | 1976 |
| Local - Eagle over Buck Creek | Fair | 61.0 ft | 62 | 1997 |
| FM - Yankton over Clarks Branch | Fair | 58.1 ft | 60 | 1990 |
| FM over Waterway | Fair | 44.9 ft | 60 | 1900 |
| FM - Boston over Indian Creek | Fair | 246.1 ft | 60 | 1974 |
| Local over Sevenmile Creek | Fair | 45.9 ft | 51 | 2006 |
| FM - 610th over Turkey Creek | Fair | 169.9 ft | 51 | 1973 |
| Local - 650th over W Nodaway River | Fair | 104.0 ft | 50 | 1973 |
| Local - 540th over Waterway | Fair | 76.1 ft | 50 | 1977 |
| FM - Indian Crk over Trib Indian Creek | Fair | 90.9 ft | 45 | 1987 |
| FM - Boston over Troublesome River | Fair | 151.9 ft | 45 | 1977 |
| FM - Boston over Camp Creek | Fair | 82.0 ft | 45 | 1976 |
| 710th ST over I-80 | Fair | 223.1 ft | 41 | 1959 |
| Local/victoria over Three Mile Creek | Fair | 77.1 ft | 41 | 1976 |
| Local/richland over Small Stream | Fair | 127.0 ft | 41 | 1974 |
| Local - Hamburg over Creek | Fair | 42.0 ft | 41 | 1983 |
| Local - Tucson over West Nodaway River | Fair | 102.0 ft | 35 | 1972 |
| Local - Hamburg over Creek | Fair | 40.0 ft | 35 | 1988 |
| FM - Yankton over Three Mile Creek | Fair | 82.0 ft | 34 | 1977 |
| Local - 720th over Seven Mile Creek | Fair | 104.0 ft | 30 | 1978 |
| Local - Quincy over Stream | Fair | 25.9 ft | 30 | 2002 |
| Local - Quincy over Sevenmile Creek | Fair | 128.0 ft | 30 | 1977 |
| Local - 640th over Creek | Fair | 92.8 ft | 30 | 1900 |
| Local - 725th over Turkey Creek | Fair | 126.0 ft | 30 | 1973 |
| Local/buck Crk over Creek | Fair | 60.0 ft | 30 | 1988 |
| Local/newport over Seven Mile Creek | Fair | 126.0 ft | 26 | 1977 |
| Local/richland over Small | Fair | 29.9 ft | 26 | 2008 |
| Local - Hampton over Small Stream | Fair | 40.0 ft | 26 | 1986 |
| FM - Boston over Buck Creek | Fair | 128.0 ft | 26 | 1974 |
| Local - Chicago over Creek | Fair | 61.0 ft | 26 | 1987 |
| Local - Fayette over Indian Creek | Fair | 203.1 ft | 26 | 1974 |
| Local - Wichita over Small Creek | Fair | 49.9 ft | 15 | 1986 |
| FM - Yankton over Seven Mile Creek | Fair | 169.9 ft | 15 | 1974 |
| Local Road over Waterway | Fair | 35.1 ft | 15 | 1990 |
| Pella RD over West Nodaway Creek | Fair | 40.0 ft | 15 | 2016 |
| Local - 765th over West Nodaway Creek | Fair | 102.0 ft | 15 | 1976 |
| FM - 710th over Waterway | Fair | 92.8 ft | 15 | 1900 |
| Local - 670th over Seven Mile Creek | Fair | 165.0 ft | 15 | 1978 |
| FM - 610th over Waterway | Fair | 155.8 ft | 15 | 1969 |
| Local - 570th over Waterway | Fair | 60.0 ft | 15 | 1988 |
| Local - 720th over Creek | Fair | 25.9 ft | 15 | 1997 |
| Local/658th LN over Creek | Fair | 34.1 ft | 15 | 1997 |
| Local - 570th over Camp Creek | Fair | 90.9 ft | 15 | 1988 |
| Local - Chicago over Creek | Fair | 40.0 ft | 15 | 1988 |
| Local - 720th over W Nodaway River | Fair | 115.2 ft | 11 | 1988 |
| Local - Upland over Small Stream | Fair | 49.9 ft | 11 | 1986 |
| 545th ST over Clarks Branch | Fair | 40.0 ft | 11 | 2016 |
| Local - 680th over Creek | Fair | 82.0 ft | 11 | 1981 |
| 700th ST over Creek | Fair | 44.9 ft | 11 | 2020 |
| Local - Chicago over Waterway | Fair | 40.0 ft | 11 | 1985 |
| Local - CR Crk over Crooked Creek | Fair | 94.2 ft | 11 | 1977 |
| Local - 740th over Stale Branch | Fair | 94.2 ft | 5 | 1948 |
| Omaha RD over West Nodaway Creek | Fair | 50.9 ft | 5 | 2000 |
| 700th ST over Creek | Fair | 104.0 ft | 5 | 2014 |
| Local - 760th over Creek | Fair | 42.0 ft | 5 | 1983 |
| Local - 100th over Camp Creek | Fair | 21.0 ft | 5 | 1964 |
| Cold Spr ST Pk over Stream | Fair | 75.1 ft | 0 | 1900 |
| I 80 EB over Indian Creek | Good | 354.3 ft | 11,800 | 2013 |
| I 80 WB over Indian Creek | Good | 354.3 ft | 11,800 | 2014 |
| EB I-80 over East Nishnabotna River | Good | 267.1 ft | 11,550 | 2009 |
| WB I-80 over East Nishnabotna River | Good | 267.1 ft | 11,550 | 2008 |
| EB I-80 over Troublesome Creek | Good | 232.9 ft | 11,500 | 2003 |
| WB I-80 over Troublesome Creek | Good | 232.9 ft | 11,500 | 2003 |
| EB I-80 over Crooked Creed | Good | 202.4 ft | 11,500 | 2011 |
| WB I-80 over Crooked Creek | Good | 202.4 ft | 11,500 | 2011 |
| WB I-80 over SR (n-28) | Good | 153.9 ft | 11,450 | 1959 |
| I 80 EB over US 71 & Bike Trail | Good | 302.2 ft | 11,050 | 2009 |
| I 80 WB over US 71 And Bike Path | Good | 302.2 ft | 11,050 | 2008 |
| US 71 over Lone Tree Creek | Good | 311.0 ft | 2,830 | 1971 |
| US 71 over Turkey Creek | Good | 205.1 ft | 2,830 | 1971 |
| US 6 & 71 over Troublesome Creek | Good | 174.9 ft | 2,270 | 1993 |
| Ia 83 over Drainage Ditch | Good | 82.0 ft | 2,120 | 1987 |
| US 71 & Ia 92 over Seven Mile Creek | Good | 204.1 ft | 2,100 | 1970 |
| Ia 148 over Turkey Creek | Good | 142.1 ft | 2,010 | 1995 |
| G 30 White Pole RD over Small Stream | Good | 27.9 ft | 1,564 | 1993 |
| N16 Olive ST over Branch Of Buck Creek | Good | 112.9 ft | 1,524 | 2021 |
| Ia 48 over Drainage Ditch | Good | 26.9 ft | 1,490 | 1985 |
| Ia 92 over Baughmans Creek | Good | 123.0 ft | 1,470 | 1992 |
| Ia 92 over Stream | Good | 124.0 ft | 1,270 | 2013 |
| Ia 48 over Nishna River Overflow | Good | 132.9 ft | 1,120 | 1995 |
| Ia 92 over Sevenmile Creek | Good | 227.0 ft | 1,060 | 2023 |
| Ia 92 over Seven Mile Creek | Good | 245.1 ft | 1,050 | 2002 |
| Ia 92 over West Nodaway River | Good | 179.8 ft | 920 | 2010 |
| Ia 148 over Stream | Good | 28.9 ft | 790 | 1994 |
| Ia 148 over West Nodaway River | Good | 183.1 ft | 770 | 2016 |
| Jackson ST over Stream | Good | 24.9 ft | 481 | 2007 |
| FM - Lewis over Waterway | Good | 27.9 ft | 358 | 1998 |
| G30 Highland RD over Indian Creek | Good | 267.1 ft | 278 | 2024 |
| 560th ST over Waterway | Good | 142.1 ft | 269 | 2015 |
| N28 690th ST over Whistlers Branch | Good | 44.0 ft | 190 | 2016 |
| M-56 over I-80 | Good | 227.0 ft | 159 | 1965 |
| Jackson RD over Turkey Creek | Good | 128.0 ft | 139 | 2008 |
| FM - Jackson over Creek | Good | 24.9 ft | 131 | 1999 |
| G16 Boston RD over Small Creek | Good | 124.0 ft | 131 | 2021 |
| Lansing RD over Waterway | Good | 109.9 ft | 120 | 2018 |
| Lansing RD over Waterway | Good | 302.2 ft | 120 | 2013 |
| Jackson RD over Small Stream | Good | 84.0 ft | 110 | 2015 |
| Local - Quimby over Nishnabotna River | Good | 347.1 ft | 100 | 2007 |
| Local - Jasper over Turkey Creek | Good | 128.0 ft | 91 | 1988 |
| G16 Boston RD over Branch Of Buck Creek | Good | 28.9 ft | 89 | 2022 |
| Local - Nshna V over Nishnabotna River | Good | 291.0 ft | 82 | 1992 |
| 740th ST over Nodaway River | Good | 142.1 ft | 72 | 2017 |
| 620th ST over Turkey Creek | Good | 215.9 ft | 72 | 2012 |
| Indian Creek ST over Trib To Indian Creek | Good | 28.9 ft | 71 | 2021 |
| 680th ST over West Nodaway River | Good | 150.9 ft | 62 | 2023 |
| Local - 665th over Turkey Creek | Good | 128.0 ft | 62 | 1991 |
| G53 Tucson RD over Br W Nodaway River | Good | 103.0 ft | 60 | 2018 |
| Local - Troy over Small Stream | Good | 103.0 ft | 51 | 1986 |
| N16 610th ST over Bear Branch Of Turkey CR | Good | 24.9 ft | 51 | 2022 |
| 570th ST over Small Creek | Good | 24.9 ft | 51 | 2014 |
| 710th ST over Creek | Good | 24.9 ft | 50 | 2023 |
| Fairview Road over Small Creek | Good | 25.9 ft | 46 | 2022 |
| 700th ST over Pettitts Branch | Good | 28.9 ft | 46 | 2024 |
| Local over Indian Creek | Good | 204.1 ft | 40 | 2004 |
| Victoria RD over Seven Mile Creek | Good | 167.0 ft | 35 | 2012 |
| Seattle RD over Waterway | Good | 50.9 ft | 35 | 2023 |
| Independence RD over Indian River | Good | 183.1 ft | 35 | 2000 |
| Akron RD over Waterway | Good | 73.2 ft | 35 | 2017 |
| FM - Lansing over Waterway | Good | 75.1 ft | 34 | 1997 |
| Yankton RD over Stale Branch | Good | 92.8 ft | 30 | 2017 |
| Kingbird AVE over Waterway | Good | 60.0 ft | 30 | 2000 |
| FM over Troublesome Creek | Good | 191.9 ft | 30 | 2005 |
| Local/grt River over Nishnabotna River | Good | 241.1 ft | 30 | 1991 |
| G43 Newport RD over West Nodaway Creek | Good | 38.1 ft | 29 | 2019 |
| 740th ST over Seven Mile Creek | Good | 70.9 ft | 26 | 2015 |
| Local - 770th over Waterway | Good | 103.0 ft | 26 | 1985 |
| Allen ST over Turkey Creek | Good | 115.2 ft | 23 | 1994 |
| Local - Memphis over Waterway | Good | 103.0 ft | 21 | 1991 |
| Local - Pella over Waterway | Good | 60.0 ft | 15 | 2007 |
| Local - Quincy over Creek | Good | 103.0 ft | 15 | 2003 |
| Jasper RD over Spring Creek | Good | 52.2 ft | 15 | 2011 |
| Local over Troublesome Creek | Good | 191.9 ft | 15 | 2004 |
| 700th ST over Jim Branch Of Turkey CR | Good | 57.1 ft | 11 | 2021 |
| 720th ST over Elm Creek | Good | 38.1 ft | 11 | 2023 |
| Local over Creek | Good | 52.2 ft | 5 | 2004 |
| FM - 710th over Crooked Creek | Good | 141.1 ft | 5 | 1988 |
| Lake Anita Park over Stream | Good | 24.9 ft | 0 | 1966 |