| Us20 over Breslau Creek | Poor | 40.0 ft | 2,570 | 1934 |
| County Highway over Stream | Poor | 54.1 ft | 165 | 1934 |
| 854th RD over Elkhorn Riv N Fk Trib | Poor | 54.1 ft | 165 | 1934 |
| 865 Road over W Br N Fk Elkhorn River | Poor | 50.9 ft | 100 | 1935 |
| Coll 7716 over Stream | Poor | 45.9 ft | 80 | 1910 |
| Coll 7714 over Hadar Creek | Poor | 79.1 ft | 75 | 1935 |
| County Highway over Dry Creek | Poor | 57.1 ft | 50 | 1935 |
| 548 AVE over N Fk Elkhorn River | Poor | 97.1 ft | 50 | 1935 |
| 858 Road over Stream | Poor | 32.2 ft | 45 | 1913 |
| 548th AVE over Dry Creek | Poor | 40.0 ft | 40 | 1935 |
| County Highway over N Fk Elkhorn River | Poor | 81.0 ft | 40 | 1935 |
| County Highway over E Br N Fk Elkhorn River | Poor | 32.2 ft | 35 | 1935 |
| County Highway over Stream | Poor | 36.1 ft | 30 | 1935 |
| 853 Road over Willow Creek | Poor | 51.8 ft | 30 | 1915 |
| 849 Road over N Fk Elkhorn River | Poor | 82.0 ft | 25 | 1910 |
| County Highway over Stream | Poor | 39.0 ft | 25 | 1935 |
| 543 AVE over Dry Creek | Poor | 50.9 ft | 25 | 1910 |
| 541 AVE over Willow Creek | Poor | 49.9 ft | 20 | 1935 |
| County Highway over Stream | Poor | 24.0 ft | 15 | 1935 |
| County Highway over Stream | Poor | 50.9 ft | 10 | 1935 |
| County Highway over Dry Creek | Poor | 56.1 ft | 5 | 1935 |
| Us81 over Stream | Fair | 86.0 ft | 8,565 | 1938 |
| Us81 over N Fk Elkhorn River Trib | Fair | 54.1 ft | 4,615 | 1938 |
| N13 over Elkhorn R Overflow | Fair | 39.0 ft | 3,970 | 1975 |
| Us81 over Yankton Slough | Fair | 82.0 ft | 3,740 | 1990 |
| Us20 over Middle Logan Creek | Fair | 27.9 ft | 2,635 | 1955 |
| Us20 over W Br N Fk Elkhorn River | Fair | 111.9 ft | 2,570 | 1992 |
| Us20 over N Fk Elkhorn River | Fair | 142.1 ft | 2,570 | 1992 |
| Us20/n121 over N Fk Elkhorn River | Fair | 117.1 ft | 2,345 | 1992 |
| Us20/n121 over E Br N Fk Elkhorn River | Fair | 74.1 ft | 2,345 | 1957 |
| Us20 over Stream | Fair | 25.9 ft | 2,035 | 1965 |
| N13 over Dry Creek | Fair | 62.0 ft | 1,500 | 1958 |
| N98 over N Fk Elkhorn River | Fair | 163.1 ft | 1,480 | 1960 |
| N13 over South Dry Creek | Fair | 32.2 ft | 1,395 | 1940 |
| N13 over Dry Creek | Fair | 113.8 ft | 1,395 | 1939 |
| N13 over Dry Creek | Fair | 43.0 ft | 1,395 | 1939 |
| N121 over Dry Creek | Fair | 80.1 ft | 1,080 | 1969 |
| N121 over Stream | Fair | 37.1 ft | 1,080 | 1947 |
| Fas 2945 over W Br N Fk Elkhorn River | Fair | 59.1 ft | 785 | 1975 |
| Fas 2850 over Stream | Fair | 120.1 ft | 555 | 1981 |
| County Highway over Dry Creek | Fair | 29.9 ft | 295 | 1992 |
| Fas 2935 over Stream | Fair | 40.0 ft | 210 | 1969 |
| Fas 2935 over Stream | Fair | 37.1 ft | 210 | 1969 |
| 854th RD over Elkhorn River N Fk Trib | Fair | 33.1 ft | 165 | 1935 |
| County Highway over N Fk Elkhorn River | Fair | 61.0 ft | 100 | 1935 |
| County Highway 541 over Breslau Creek | Fair | 32.2 ft | 100 | 1935 |
| State Street over N Fk Elkhorn River | Fair | 56.1 ft | 100 | 1935 |
| State Street over Stream | Fair | 24.0 ft | 100 | 1935 |
| Coll 7716 over Stream | Fair | 32.2 ft | 80 | 1935 |
| 547 AVE over N Fk Elkhorn River | Fair | 62.0 ft | 80 | 1935 |
| County Highway over N Fk Elkhorn River | Fair | 36.1 ft | 80 | 1935 |
| Coll 7714 over Hadar Creek | Fair | 71.9 ft | 75 | 1980 |
| Fas 2945 over Stream | Fair | 65.0 ft | 70 | 1959 |
| 553 AVE over Hadar Creek | Fair | 65.9 ft | 60 | 1935 |
| County Highway over Stream | Fair | 32.2 ft | 60 | 1935 |
| 867th RD over Middle Logan Creek Trib | Fair | 32.2 ft | 50 | 1935 |
| County Highway over E Br N Fk Elkhorn River | Fair | 32.2 ft | 50 | 1935 |
| 554 AVE over N Fk Elkhorn River | Fair | 129.9 ft | 50 | 1920 |
| County Highway over Stream | Fair | 53.1 ft | 50 | 2002 |
| Coll 7703 over Dry Creek | Fair | 60.0 ft | 50 | 1979 |
| County Highway over N Fk Elkhorn River | Fair | 50.9 ft | 50 | 1990 |
| County Highway over N Fk Elkhorn River | Fair | 82.0 ft | 50 | 1989 |
| Fas 2945 over Dry Creek | Fair | 53.1 ft | 45 | 1990 |
| County Highway over Stream | Fair | 49.9 ft | 45 | 1981 |
| Fas 2945 over Breslau Creek | Fair | 40.0 ft | 45 | 1977 |
| County Highway over N Fk Elkhorn River | Fair | 61.0 ft | 40 | 1979 |
| County Highway over Stream | Fair | 37.1 ft | 40 | 1935 |
| County Highway over Stream | Fair | 60.0 ft | 40 | 1973 |
| County Highway over Stream | Fair | 22.0 ft | 40 | 1989 |
| County Highway over Stream | Fair | 32.2 ft | 40 | 1935 |
| County Highway over Stream | Fair | 40.0 ft | 40 | 1935 |
| 857 Road over N Fk Elkhorn River | Fair | 70.9 ft | 40 | 1935 |
| County Highway over Dry Creek | Fair | 45.9 ft | 40 | 1935 |
| 549 AVE over E Br N Fk Elkhorn River | Fair | 71.9 ft | 40 | 1935 |
| County Highway over Yankton Slough | Fair | 56.1 ft | 40 | 1935 |
| County Highway over Stream | Fair | 62.0 ft | 40 | 1993 |
| County Highway over Stream | Fair | 30.8 ft | 40 | 1995 |
| County Highway over Stream | Fair | 29.9 ft | 35 | 1935 |
| County Highway over Stream | Fair | 33.1 ft | 35 | 1935 |
| County Highway over E Br N Fk Elkhorn River | Fair | 32.2 ft | 35 | 2004 |
| County Highway over Breslau Creek | Fair | 32.2 ft | 35 | 1998 |
| County Highway over Yankton Slough | Fair | 40.0 ft | 35 | 1935 |
| County Highway over W Br N Fk Elkhorn River | Fair | 50.9 ft | 35 | 1978 |
| Coll 7647 over Stream | Fair | 60.0 ft | 30 | 1971 |
| Coll 7647 over Stream | Fair | 59.1 ft | 30 | 1971 |
| County Highway over Yankton Slough | Fair | 75.1 ft | 30 | 2001 |
| 556 AVE over Stream | Fair | 50.9 ft | 30 | 1914 |
| County Highway 538 over Stream | Fair | 40.0 ft | 30 | 1979 |
| 552 AVE over Yankton Slough | Fair | 49.9 ft | 30 | 1935 |
| 852 Road over N Fk Elkhorn River | Fair | 82.0 ft | 30 | 1910 |
| County Highway over Stream | Fair | 32.2 ft | 25 | 1935 |
| County Highway over W Br N Fk Elkhorn River | Fair | 23.0 ft | 25 | 1979 |
| County Highway over Stream | Fair | 32.2 ft | 25 | 1935 |
| County Highway over N Fk Elkhorn River | Fair | 60.0 ft | 25 | 1935 |
| 857 Road over Stream | Fair | 56.1 ft | 25 | 1910 |
| County Highway over N Fk Elkhorn River | Fair | 80.1 ft | 25 | 1935 |
| 552 AVE over N Fk Elkhorn River | Fair | 82.0 ft | 25 | 1935 |
| County Highway over Stream | Fair | 28.9 ft | 25 | 1986 |
| County Highway over Yankton Slough | Fair | 29.9 ft | 25 | 1991 |
| County Highway over N Fk Elkhorn River | Fair | 95.1 ft | 25 | 2004 |
| County Highway over N Fk Elkhorn River | Fair | 32.2 ft | 20 | 1935 |
| 542 AVE over Willow Creek | Fair | 61.7 ft | 20 | 2016 |
| County Highway over Stream | Fair | 40.0 ft | 15 | 1935 |
| 858 Road over N Fk Elkhorn River | Fair | 82.0 ft | 15 | 1935 |
| County Highway over Dry Creek | Fair | 61.0 ft | 15 | 2015 |
| County Highway over Willow Creek | Fair | 28.9 ft | 10 | 1987 |
| County Highway over Stream | Fair | 30.8 ft | 10 | 1995 |
| County Highway over Stream | Fair | 24.0 ft | 5 | 1935 |
| Us81 over Stream | Good | 30.8 ft | 8,565 | 2003 |
| N13 over Pleasant Valley Drain | Good | 82.0 ft | 4,825 | 1975 |
| N13 over Stream | Good | 26.9 ft | 4,825 | 1975 |
| N13 over Willow Creek | Good | 67.9 ft | 4,825 | 2004 |
| Us81 over Stream | Good | 24.0 ft | 4,615 | 1938 |
| Us81 over N Fk Elkhorn River Trib | Good | 44.9 ft | 4,615 | 1938 |
| Us81 over Yankton Slough Trib | Good | 125.0 ft | 4,245 | 2022 |
| Us81 over Yankton Slough Trib | Good | 44.9 ft | 4,245 | 2022 |
| Us81 over Yankton Slough | Good | 89.9 ft | 4,245 | 2022 |
| N13 over N Fk Elkhorn River | Good | 214.9 ft | 3,970 | 2020 |
| Us20 over Dry Creek | Good | 25.9 ft | 3,600 | 1967 |
| Us20 over Yankton Slough | Good | 81.0 ft | 2,635 | 1955 |
| N13 over Stream | Good | 22.0 ft | 2,605 | 1958 |
| Us20/n121 over N Fk Elkhorn River | Good | 117.1 ft | 2,345 | 2004 |
| Farm Drive over E. Branch N. Fork Elkhor | Good | 22.0 ft | 2,345 | 2013 |
| Us20 over E Br N Fk Elkhorn River | Good | 71.9 ft | 2,035 | 2004 |
| N121 over N Fk Elkhorn River | Good | 109.9 ft | 1,080 | 2014 |
| Fas 2945 over W Br N Fk Elkhorn River | Good | 22.0 ft | 785 | 1975 |
| N98 over Stream | Good | 91.9 ft | 640 | 1956 |
| N98 over N Fk Elkhorn River Trib | Good | 80.1 ft | 640 | 2004 |
| Fas 2923 over N Fk Elkhorn River | Good | 182.1 ft | 470 | 1986 |
| 558th AVE over Middle Logan Creek | Good | 21.0 ft | 470 | 2023 |
| Fas 2600 over Stream | Good | 33.1 ft | 390 | 1962 |
| Center St/fas 2950 over Hadar Creek | Good | 70.9 ft | 390 | 1981 |
| 536th AVE over Dry Creek Trib | Good | 41.3 ft | 310 | 2021 |
| Fas 2600 over Willow Creek | Good | 66.9 ft | 185 | 1978 |
| County Highway over Dry Creek | Good | 38.1 ft | 170 | 2007 |
| Fas 2935 over Willow Creek | Good | 37.7 ft | 160 | 2016 |
| County Highway over Willow Creek | Good | 63.0 ft | 100 | 1994 |
| Fas 2860 over Stream | Good | 42.0 ft | 95 | 1981 |
| Fas 2860 over Yankton Slough | Good | 71.9 ft | 95 | 2006 |
| Fas 2895 over Willow Creek | Good | 67.9 ft | 80 | 1998 |
| Fas 2955 over Stream | Good | 24.9 ft | 80 | 1960 |
| 543 AVE over Willow Creek | Good | 122.0 ft | 60 | 2023 |
| County Highway over N Fk Elkhorn River | Good | 38.1 ft | 55 | 2013 |
| 859 Road over N Fk Elkhorn River | Good | 122.0 ft | 55 | 2023 |
| Coll 7712 over W Br N Fk Elkhorn River | Good | 50.9 ft | 50 | 1999 |
| County Highway over Stream | Good | 24.9 ft | 50 | 2002 |
| County Highway over N Fk Elkhorn River | Good | 122.0 ft | 50 | 2004 |
| County Highway over Yankton Slough | Good | 81.0 ft | 50 | 1973 |
| 552 AVE over Elkhorn River N Fk Trib | Good | 61.7 ft | 50 | 2021 |
| County Highway over Drainage | Good | 28.9 ft | 50 | 1995 |
| 542nd RD over Dry Creek | Good | 56.1 ft | 40 | 2021 |
| 863rd Road over Yankton Slough | Good | 56.1 ft | 40 | 1935 |
| County Highway over N Fk Elkhorn River | Good | 143.0 ft | 40 | 1994 |
| Road 541 over Stream | Good | 30.8 ft | 35 | 1935 |
| County Highway over N Fk Elkhorn River | Good | 103.0 ft | 35 | 1991 |
| County Highway over Stream | Good | 41.0 ft | 35 | 2000 |
| County Highway over Stream | Good | 49.9 ft | 35 | 1979 |
| County Highway over Dry Creek | Good | 38.1 ft | 35 | 1935 |
| 870 Road over Stream | Good | 32.2 ft | 30 | 2016 |
| County Highway over Dry Creek | Good | 48.9 ft | 30 | 2015 |
| 869th RD over Elkhorn N Frk W Br Trib | Good | 32.2 ft | 25 | 2018 |
| 537th RD over Willow Creek | Good | 38.1 ft | 25 | 2019 |
| County Highway over Stream | Good | 26.9 ft | 25 | 1999 |
| 862nd Road over Yankton Slough | Good | 61.4 ft | 25 | 2021 |
| 554th AVE over Yankton Slough | Good | 61.4 ft | 25 | 2021 |
| County Highway over Stream | Good | 24.9 ft | 25 | 2022 |
| County Highway over Yankton Slough | Good | 60.0 ft | 25 | 1910 |
| County Highway over Willow Creek | Good | 30.8 ft | 25 | 1994 |
| County Highway over N Fk Elkhorn River | Good | 142.1 ft | 25 | 2000 |
| County Highway over Yankton Slough | Good | 51.5 ft | 25 | 2024 |
| County Highway over Dry Creek | Good | 28.9 ft | 20 | 1991 |
| County Highway over Willow Creek | Good | 77.1 ft | 15 | 1985 |
| County Highway over Stream | Good | 49.9 ft | 15 | 2011 |
| Private Drive over Dry Creek | Good | 40.0 ft | 15 | 2024 |
| County Highway over N Fk Elkhorn River | Good | 38.1 ft | 10 | 2011 |
| County Highway over Dry Creek | Good | 32.2 ft | 10 | 2008 |
| 557th AVE over Elkhorn River N Fk Trib | Good | 32.2 ft | 10 | 2000 |