| FM over Blue Earth River | Poor | 43.0 ft | 938 | 1924 |
| Broadway AVE over Winnebago River | Poor | 107.0 ft | 245 | 1975 |
| Local over Drainage Ditch | Poor | 25.9 ft | 82 | 1928 |
| Local over Drainage Ditch | Poor | 55.1 ft | 72 | 1976 |
| Local over Beaver Creek | Poor | 54.1 ft | 41 | 1976 |
| Local over Drainage Ditch | Poor | 24.0 ft | 41 | 1966 |
| Local over Beaver Creek | Poor | 36.1 ft | 35 | 1985 |
| Local over Drainage Ditch | Poor | 34.1 ft | 35 | 1950 |
| Local over Buffalo Creek | Poor | 49.9 ft | 26 | 1975 |
| Local over Drainage Ditch | Poor | 44.9 ft | 26 | 1985 |
| Local over Drainage Ditch | Poor | 52.2 ft | 20 | 1964 |
| Local over Pike Run | Poor | 97.1 ft | 11 | 1976 |
| Local over N Buffalo Creek | Poor | 62.0 ft | 11 | 1949 |
| Local over Pike Run | Poor | 52.2 ft | 5 | 1976 |
| Local over N Fork Buffalo Creek | Poor | 54.1 ft | 5 | 1900 |
| Local over N Buffalo Creek | Poor | 44.9 ft | 5 | 1949 |
| US 69 over Winnebago River | Fair | 216.9 ft | 5,400 | 1988 |
| Secor AVE over Winnebago River | Fair | 143.0 ft | 3,200 | 1966 |
| US 69 & Ia 9 over Winnebago River | Fair | 138.1 ft | 2,960 | 1988 |
| Ia 9 over Drainage Ditch | Fair | 99.1 ft | 2,320 | 1975 |
| US 69 over Lime Creek | Fair | 62.0 ft | 1,970 | 1931 |
| J ST over Winnebago River | Fair | 157.2 ft | 1,884 | 1974 |
| US 69 over Pike Run Creek | Fair | 124.0 ft | 1,650 | 1968 |
| Ia 9 over Stream | Fair | 124.0 ft | 1,650 | 1975 |
| FM over Beaver Creek | Fair | 78.1 ft | 848 | 1987 |
| FM over Winnebago River | Fair | 127.0 ft | 649 | 1968 |
| 20th AVE over N Fork Buffalo Creek | Fair | 78.1 ft | 409 | 1989 |
| FM over Winnebago River | Fair | 128.0 ft | 330 | 1974 |
| 10th AVE over N Fork Buffalo Creek | Fair | 104.0 ft | 279 | 2001 |
| FM over Winnebago River | Fair | 112.9 ft | 270 | 2002 |
| FM over Pike Run Creek | Fair | 90.9 ft | 170 | 1990 |
| FM over Drainage Ditch | Fair | 50.9 ft | 90 | 1955 |
| 460th ST over Drainage Ditch | Fair | 65.9 ft | 62 | 2005 |
| Local over N Fork Buffalo Creek | Fair | 88.9 ft | 30 | 2001 |
| Local over Beaver Creek | Fair | 34.1 ft | 30 | 1991 |
| FM over N Fork Buffalo Creek | Fair | 86.9 ft | 26 | 2006 |
| FM over Buffalo Creek | Good | 32.2 ft | 439 | 2010 |
| 10th AVE over Blue Earth River | Good | 21.0 ft | 120 | 2011 |
| A34 (420th St) over Pike Run Creek | Good | 32.2 ft | 100 | 2014 |
| FM over Winnebago River | Good | 148.0 ft | 90 | 1989 |
| Local over N Fork Buffalo Creek | Good | 38.1 ft | 71 | 2011 |
| A38 168th AVE over Drainage Ditch | Good | 42.0 ft | 48 | 2017 |
| Local over Blue Earth River | Good | 24.9 ft | 46 | 2010 |
| FM over Twister Branch | Good | 24.9 ft | 45 | 2011 |
| 440th ST over Winnebago River | Good | 140.1 ft | 41 | 2012 |
| Local over Winnebago River | Good | 130.9 ft | 35 | 2011 |
| 160th AVE over Pike Run | Good | 22.0 ft | 30 | 2022 |
| Local over Winnebago River | Good | 145.0 ft | 30 | 1993 |
| 140th AVE over Pike Run | Good | 33.1 ft | 26 | 2019 |
| Local over Pike Run | Good | 104.0 ft | 26 | 2005 |
| 30th AVE over N Fork Buffalo Creek | Good | 111.9 ft | 21 | 2000 |
| 350th ST over Buffalo Creek | Good | 25.9 ft | 21 | 2020 |
| 200th AVE over Winnebago River | Good | 110.9 ft | 11 | 2015 |
| 135th AVE over Twister Branch | Good | 22.0 ft | 11 | 2023 |