| FM over Des Moines River | Poor | 723.1 ft | 769 | 1972 |
| FM over Bluff Creek | Poor | 30.8 ft | 718 | 1957 |
| FM over Des Moines River | Poor | 574.1 ft | 709 | 1955 |
| FM over Trib. Of Beaver Creek | Poor | 24.0 ft | 279 | 1948 |
| Local over Big Creek | Poor | 24.9 ft | 90 | 1900 |
| FM over Des Moines River | Poor | 703.1 ft | 80 | 1909 |
| FM over Tributary Beaver Creek | Poor | 102.0 ft | 80 | 1962 |
| Local over Trib.des Moines River | Poor | 107.9 ft | 71 | 1900 |
| Local over Big Creek | Poor | 24.9 ft | 50 | 1915 |
| FM over Ioway Creek | Poor | 126.0 ft | 50 | 1949 |
| FM over Bluff Creek | Poor | 33.1 ft | 50 | 1915 |
| FM over Little Beaver Creek | Poor | 67.9 ft | 45 | 1973 |
| Local over Little Beaver Creek | Poor | 26.9 ft | 40 | 1915 |
| Local over Des Moines River | Poor | 25.9 ft | 34 | 1930 |
| Local over Montgomery Creek | Poor | 30.8 ft | 34 | 1900 |
| Local over Big Creek | Poor | 53.1 ft | 30 | 1917 |
| Local over Prairie Creek | Poor | 34.1 ft | 30 | 1915 |
| Local over Bluff Creek | Poor | 22.0 ft | 30 | 1920 |
| Local over Little Beaver Creek | Poor | 30.8 ft | 26 | 1900 |
| Local over Little Beaver Creek | Poor | 73.2 ft | 26 | 1939 |
| Local over Beaver Creek | Poor | 46.9 ft | 26 | 1900 |
| Local over Beaver Creek | Poor | 25.9 ft | 26 | 1920 |
| Local over Trib Des Moines River | Poor | 29.9 ft | 26 | 1900 |
| Local over Big Creek | Poor | 25.9 ft | 25 | 1915 |
| Local over Beaver Creek | Poor | 23.0 ft | 20 | 1915 |
| Local over Bluff Creek | Poor | 78.1 ft | 20 | 1900 |
| Local over Beaver Creek | Poor | 33.1 ft | 20 | 1920 |
| Local over Beaver Creek | Poor | 37.1 ft | 20 | 1920 |
| FM over Br Ioway Creek | Poor | 87.9 ft | 20 | 1916 |
| Local over Ioway Creek | Poor | 23.0 ft | 20 | 1920 |
| Local over Trib Des Moines River | Poor | 41.0 ft | 20 | 1900 |
| 190th ST over Stream | Poor | 29.9 ft | 20 | 1900 |
| Local over Ioway Creek | Poor | 21.0 ft | 15 | 1900 |
| Local over Montgomery Creek | Poor | 39.0 ft | 15 | 1915 |
| Local over Beaver Creek | Poor | 38.1 ft | 11 | 1900 |
| Local over Beaver Creek | Poor | 22.0 ft | 11 | 1915 |
| 160th ST over Beaver Creek | Poor | 24.0 ft | 5 | 1915 |
| Local over Montgomery Creek | Poor | 23.0 ft | 5 | 1915 |
| US 30 over Noah Creek | Fair | 24.0 ft | 8,800 | 1962 |
| US 30 over Honey Creek | Fair | 21.0 ft | 8,800 | 1962 |
| Ia 17 over Big Creek | Fair | 33.1 ft | 5,300 | 1961 |
| Ia 17 over US 30 | Fair | 278.9 ft | 4,960 | 1968 |
| US 30 EB over Des Moines River | Fair | 659.1 ft | 4,400 | 1963 |
| US 30 WB over Des Moines River | Fair | 724.1 ft | 4,350 | 1963 |
| US 169 over US 30 | Fair | 261.2 ft | 3,570 | 1971 |
| US 169 over Stream | Fair | 21.0 ft | 3,370 | 1936 |
| Ia 17 over Prairie Creek | Fair | 27.9 ft | 2,380 | 1979 |
| Ia 17 over Montgomery Creek | Fair | 170.9 ft | 2,380 | 1979 |
| Ia 210 over Trib Of Big Creek | Fair | 25.9 ft | 2,230 | 1966 |
| Ia 210 over Big Creek | Fair | 105.0 ft | 2,230 | 1937 |
| EB Ia 930 over US 30 | Fair | 407.2 ft | 2,050 | 1972 |
| Ia 210 over Des Moines River | Fair | 1021.0 ft | 2,040 | 1973 |
| US 169 over Up Rr | Fair | 179.1 ft | 1,890 | 1984 |
| US 169 over Branch Beaver Creek | Fair | 34.1 ft | 1,890 | 1967 |
| US 169 over Branch Beaver Creek | Fair | 34.1 ft | 1,890 | 1967 |
| Ia 144 over Stream | Fair | 21.0 ft | 1,690 | 1941 |
| FM over Ioway Creek | Fair | 154.9 ft | 1,108 | 1963 |
| FM over Des Moines River | Fair | 724.1 ft | 1,028 | 1980 |
| X Avenue over US 30 | Fair | 282.2 ft | 1,008 | 1973 |
| FM over Big Creek | Fair | 90.9 ft | 977 | 1992 |
| FM over Bluff Creek | Fair | 90.9 ft | 977 | 1987 |
| FM over Bluff Creek | Fair | 104.0 ft | 977 | 1965 |
| Main ST over Pcc Trail | Fair | 21.0 ft | 590 | 1999 |
| FM over Worrell Creek | Fair | 24.9 ft | 518 | 1985 |
| FM over Bluff Creek | Fair | 70.9 ft | 478 | 1956 |
| FM E-41 over Stream | Fair | 22.0 ft | 450 | 1970 |
| FM over Beaver Creek | Fair | 183.1 ft | 279 | 1948 |
| Co RD over Des Moines River | Fair | 607.0 ft | 265 | 1955 |
| FM over Beaver Creek | Fair | 125.0 ft | 219 | 1973 |
| FM over Beaver Creek | Fair | 104.0 ft | 139 | 1920 |
| Local over Ioway Creek | Fair | 126.0 ft | 100 | 1952 |
| FM over Big Creek | Fair | 69.9 ft | 71 | 1965 |
| Local over Big Creek | Fair | 23.0 ft | 71 | 1920 |
| FM over Tributary Des Moines Riv | Fair | 36.1 ft | 71 | 1930 |
| FM over Bluff Creek | Fair | 30.8 ft | 60 | 1900 |
| Local over Big Creek | Fair | 24.9 ft | 51 | 1915 |
| FM over Big Creek | Fair | 43.0 ft | 50 | 1940 |
| Local over Trib Des Moines River | Fair | 43.0 ft | 50 | 1900 |
| Local over Beaver Creek | Fair | 181.1 ft | 40 | 1975 |
| Local over Big Creek | Fair | 25.9 ft | 40 | 1900 |
| Local over Beaver Creek | Fair | 52.2 ft | 40 | 1916 |
| Local over Trib Des Moines River | Fair | 46.9 ft | 30 | 1950 |
| Local over Beaver Creek | Fair | 125.0 ft | 30 | 1968 |
| Local over Beaver Creek | Fair | 37.1 ft | 30 | 1930 |
| Local over Montgomery Creek | Fair | 29.9 ft | 30 | 1994 |
| Local over Bluff Creek | Fair | 42.0 ft | 30 | 1900 |
| Local over Big Creek | Fair | 78.1 ft | 26 | 1978 |
| Local over Little Beaver Creek | Fair | 38.1 ft | 26 | 1900 |
| FM over Beaver Creek | Fair | 39.0 ft | 20 | 1926 |
| FM over Beaver Creek | Fair | 34.1 ft | 20 | 1923 |
| Local over Ioway Creek | Fair | 125.0 ft | 20 | 1988 |
| FM over Beaver Creek | Fair | 30.8 ft | 15 | 1924 |
| Local over Tributary Prairie Creek | Fair | 39.0 ft | 15 | 1900 |
| Local over Beaver Creek | Fair | 22.0 ft | 5 | 1900 |
| Canyon RD over Pease Creek | Fair | 43.0 ft | 0 | 1933 |
| Canyon RD over Pease Creek | Fair | 43.0 ft | 0 | 1933 |
| US 30 & 169 over East Beaver Creek | Good | 21.0 ft | 5,900 | 1962 |
| US 30 over Beaver Creek | Good | 149.9 ft | 3,950 | 2008 |
| US 30 over Middle Beaver Creek | Good | 33.5 ft | 3,950 | 2016 |
| US 169 over Little Beaver Creek | Good | 32.2 ft | 3,370 | 1984 |
| US 169 over Stream | Good | 21.0 ft | 3,370 | 1935 |
| Ia 17 over Up Rr & 210th ST | Good | 423.9 ft | 3,260 | 2021 |
| Ia 210 over Stream | Good | 25.9 ft | 2,880 | 1989 |
| Ia 17 over Branch Ioway Creek | Good | 25.9 ft | 2,380 | 1979 |
| US 169 over Middle Beaver Creek | Good | 32.2 ft | 1,890 | 1932 |
| E 41 over Des Moines River | Good | 689.0 ft | 1,526 | 2000 |
| E26 170th ST over Beaver Creek | Good | 26.9 ft | 359 | 2016 |
| FM over Ioway Creek | Good | 175.9 ft | 170 | 2002 |
| Montona RD over Honey Creek | Good | 129.9 ft | 110 | 2017 |
| 150th ST over Trib Of Ioway Creek | Good | 25.9 ft | 100 | 2024 |
| 180th ST over Beaver Creek | Good | 58.1 ft | 71 | 2020 |
| FM over Elkhorn Creek | Good | 103.0 ft | 71 | 1997 |
| Local over Beaver Creek | Good | 179.1 ft | 60 | 1996 |
| 110th ST over Trib Of Ioway Creek | Good | 35.1 ft | 60 | 2018 |
| X AVE over Onion Creek | Good | 81.0 ft | 50 | 2023 |
| Local over Little Beaver Creek | Good | 103.0 ft | 45 | 2004 |
| FM over Little Beaver Creek | Good | 103.0 ft | 40 | 2003 |
| 335th ST over Little Beaver Creek | Good | 103.0 ft | 40 | 2011 |
| Local over Beaver Creek | Good | 180.1 ft | 34 | 1997 |
| 190th ST over Trib Of Beaver Creek | Good | 23.0 ft | 34 | 2016 |
| Local over Big Creek | Good | 103.0 ft | 30 | 2004 |
| Local over Eversoll Creek | Good | 103.0 ft | 30 | 2009 |
| 140th ST over Ioway Creek | Good | 143.0 ft | 30 | 2016 |
| U AVE over Montgomery Creek | Good | 53.1 ft | 30 | 2019 |
| W AVE over Montgomery Creek | Good | 101.0 ft | 30 | 2015 |
| 240th ST over Middle Beaver Creek | Good | 83.0 ft | 26 | 2021 |
| Local over Beaver Creek | Good | 128.0 ft | 26 | 2004 |
| Local over Ioway Creek | Good | 154.9 ft | 26 | 2006 |
| FM over Beaver Creek | Good | 132.9 ft | 20 | 2010 |
| R AVE over Prairie Creek | Good | 21.0 ft | 20 | 2017 |
| Local over Beaver Creek | Good | 128.0 ft | 15 | 2007 |
| Local over Beaver Creek | Good | 153.9 ft | 15 | 1999 |
| A AVE over Stream | Good | 24.0 ft | 5 | 2019 |
| Lower Ledges RD over Pease Creek | Good | 123.4 ft | 0 | 2011 |