| Ia 9 over W Fork Little Sioux Rvr | Poor | 66.9 ft | 4,310 | 1929 |
| FM over Creek | Poor | 29.9 ft | 2,060 | 1941 |
| FM over Little Sioux River | Poor | 204.1 ft | 1,076 | 1979 |
| FM over Dugout Creek | Poor | 90.9 ft | 843 | 1970 |
| N14 (310th Ave) over Drainage Ditch | Poor | 21.0 ft | 803 | 1948 |
| FM over Little Sioux | Poor | 101.0 ft | 319 | 1969 |
| FM over Stony Creek | Poor | 103.0 ft | 315 | 1990 |
| FM A-31 over Drainage Ditch | Poor | 78.1 ft | 305 | 1994 |
| FM over W Br Little Sioux | Poor | 102.0 ft | 61 | 1977 |
| 270th ST over Creek | Poor | 36.1 ft | 41 | 1926 |
| Local over Little Sioux | Poor | 83.0 ft | 31 | 1920 |
| Local over Stony Creek | Poor | 43.0 ft | 11 | 1946 |
| 270th ST over Drainage Ditch | Poor | 36.1 ft | 5 | 1926 |
| Ia 9 over Inlet W Okoboji Lake | Fair | 21.0 ft | 8,500 | 1971 |
| US 71 & Ia 9 over East Okoboji Lake | Fair | 64.0 ft | 8,200 | 1939 |
| 220th ST over Stream | Fair | 29.9 ft | 2,834 | 1952 |
| South Market ST over W Br Little Sioux River | Fair | 24.9 ft | 2,277 | 1967 |
| N14 (310th Ave) over Muddy Creek | Fair | 53.1 ft | 1,514 | 1951 |
| FM over Muddy Creek | Fair | 89.9 ft | 1,422 | 1989 |
| FM over Stony Creek | Fair | 77.1 ft | 934 | 1977 |
| 240th AVE over Stream | Fair | 24.0 ft | 598 | 1963 |
| Harpen St. over Creek | Fair | 20.0 ft | 535 | 1998 |
| FM over Little Sioux River | Fair | 102.0 ft | 112 | 1964 |
| Local over Creek | Fair | 78.1 ft | 102 | 1971 |
| FM over Little Sioux River | Fair | 102.0 ft | 81 | 1970 |
| Local over Creek | Fair | 115.2 ft | 81 | 1978 |
| Local over Muddy Creek | Fair | 78.1 ft | 61 | 1971 |
| Local over Creek | Fair | 44.9 ft | 60 | 1973 |
| Local over Little Sioux River | Fair | 112.9 ft | 51 | 1963 |
| FM over Little Sioux River | Fair | 151.9 ft | 51 | 1974 |
| Local over Br Little Souix | Fair | 127.0 ft | 51 | 1975 |
| FM over Little Sioux River | Fair | 102.0 ft | 51 | 1970 |
| Local over Muddy Creek | Fair | 78.1 ft | 41 | 1979 |
| Local over Stony Creek | Fair | 77.1 ft | 31 | 1974 |
| Local over Creek | Fair | 101.0 ft | 26 | 1974 |
| Local over Little Sioux River | Fair | 112.9 ft | 26 | 1964 |
| Local over Muddy Creek | Fair | 44.9 ft | 26 | 1962 |
| 180th AVE over Stream | Fair | 25.9 ft | 26 | 1955 |
| Local over Little Sioux River | Fair | 128.0 ft | 20 | 1989 |
| FM over W Br Little Sioux River | Fair | 32.2 ft | 20 | 1973 |
| 330th AVE over Stream | Fair | 39.0 ft | 20 | 1974 |
| Local over Muddy Creek | Fair | 44.9 ft | 11 | 1970 |
| Local over Stony Creek | Fair | 44.0 ft | 11 | 1963 |
| 200th ST over Stream | Fair | 22.0 ft | 11 | 1978 |
| 120th AVE over Stream | Fair | 26.9 ft | 11 | 1978 |
| 210th ST over Creek | Fair | 32.2 ft | 5 | 1974 |
| US 71 over E To W Okoboji Lkes Conn | Good | 66.9 ft | 14,600 | 1999 |
| US 71 & Ia 9 over Dry Run Creek | Good | 28.9 ft | 5,400 | 1978 |
| Ia 9 over Little Sioux River | Good | 123.0 ft | 4,310 | 1971 |
| FM over Lake Channel | Good | 152.9 ft | 4,040 | 2006 |
| Local over Lake Channel | Good | 112.9 ft | 1,120 | 2010 |
| M27 (130th Ave) over Stony Creek | Good | 112.9 ft | 1,008 | 2013 |
| FM over Stony Creek | Good | 24.9 ft | 934 | 2001 |
| FM over Muddy Creek | Good | 28.9 ft | 873 | 1999 |
| Lakeside AVE over Canals | Good | 23.0 ft | 535 | 1996 |
| FM over Creek | Good | 24.0 ft | 478 | 2001 |
| FM over Creek | Good | 24.9 ft | 447 | 2008 |
| FM over Muddy Creek | Good | 191.9 ft | 325 | 2002 |
| FM over Little Sioux River | Good | 189.0 ft | 315 | 2003 |
| A43 260th ST over Creek | Good | 28.9 ft | 300 | 2023 |
| 190th AVE over Little Sioux River | Good | 167.0 ft | 255 | 2022 |
| Local over Mill Pond Creek | Good | 45.9 ft | 254 | 2008 |
| Lakeshore DR over Drainage | Good | 42.0 ft | 232 | 2008 |
| Bridge ST over Canal | Good | 24.9 ft | 232 | 2010 |
| Lakeshore DR over Canal | Good | 25.3 ft | 232 | 2012 |
| 140th ST over Outlet Silver Lake | Good | 25.9 ft | 150 | 2023 |
| FM over Branch Dugout Creek | Good | 144.0 ft | 100 | 2003 |
| A 18 140th ST over Little Sioux River | Good | 130.9 ft | 81 | 2022 |
| Local over Little Sioux River | Good | 179.1 ft | 72 | 2010 |
| Local over Little Sioux River | Good | 128.0 ft | 71 | 1999 |
| Local over Little Sioux River | Good | 167.0 ft | 61 | 2004 |
| Local over Stony Creek | Good | 29.9 ft | 60 | 1999 |
| S.2nd ST over W Br Little Sioux River | Good | 56.1 ft | 50 | 2009 |
| 110th AVE over Stony Creek | Good | 141.1 ft | 35 | 2022 |
| Local over Drainage | Good | 22.0 ft | 26 | 1992 |
| 250th ST over Creek | Good | 124.0 ft | 20 | 2013 |
| 140th AVE over Dugout Creek | Good | 25.9 ft | 20 | 2011 |
| Local over Stony Creek | Good | 128.0 ft | 15 | 1992 |
| 100th Street over W Fork Little Sioux Rive | Good | 82.0 ft | 15 | 2011 |
| Local over Creek | Good | 24.0 ft | 11 | 1999 |
| Local over Muddy Creek | Good | 22.0 ft | 11 | 2007 |
| Mini Wakan ST Pk over Spirit Lake | Good | 32.2 ft | 0 | 1995 |
| Trappers Bay ST Pk over Silver Lake Causeway | Good | 27.9 ft | 0 | 1984 |