| Gilbert ST over Shermans Creek | Poor | 40.0 ft | 6,893 | 1914 |
| Main ST over Cedar River | Poor | 248.0 ft | 4,971 | 1909 |
| FM over Little Cedar River | Poor | 279.9 ft | 1,414 | 1974 |
| FM over Drainage Ditch | Poor | 26.9 ft | 1,159 | 1919 |
| HWY 147 over Small Natural Stream | Poor | 91.9 ft | 1,070 | 1967 |
| Old HWY RD over Bloody Run Creek | Poor | 41.0 ft | 687 | 1927 |
| HWY 147 over Flood Creek | Poor | 91.9 ft | 668 | 1930 |
| FM over Flood Creek | Poor | 116.1 ft | 491 | 1975 |
| FM over Winnebago River | Poor | 219.2 ft | 442 | 1964 |
| FM over Beaver Creek | Poor | 127.0 ft | 206 | 1965 |
| FM over Little Cedar | Poor | 257.9 ft | 167 | 1967 |
| FM over Flood Creek | Poor | 102.0 ft | 88 | 1969 |
| FM over Cedar River | Poor | 356.0 ft | 79 | 1936 |
| Local over Small Creek | Poor | 24.0 ft | 78 | 1916 |
| Local over Creek | Poor | 28.9 ft | 78 | 1958 |
| Local over Creek | Poor | 26.9 ft | 78 | 1956 |
| Local over Winnebago River | Poor | 151.9 ft | 59 | 1900 |
| FM over Little Cedar | Poor | 226.0 ft | 59 | 1967 |
| Local over Flood Creek | Poor | 92.8 ft | 49 | 1900 |
| Local over Flood Creek | Poor | 35.1 ft | 44 | 1913 |
| Local over Creek | Poor | 43.0 ft | 39 | 1970 |
| Local over Creek | Poor | 34.1 ft | 39 | 1924 |
| Local over Clear Water Creek | Poor | 63.0 ft | 33 | 1927 |
| Local over Littleflood Creek | Poor | 50.9 ft | 29 | 1987 |
| Local over Creek | Poor | 33.1 ft | 29 | 1980 |
| Local over Flood Creek | Poor | 123.0 ft | 26 | 1929 |
| Local over Little Cedar | Poor | 122.0 ft | 26 | 1900 |
| Local over Little Cedar Overflow | Poor | 55.1 ft | 26 | 1939 |
| Local over Beaver Creek | Poor | 87.9 ft | 20 | 1937 |
| Local over Flood Creek | Poor | 49.9 ft | 20 | 1970 |
| US 18 over Cedar River | Fair | 334.0 ft | 10,500 | 1967 |
| US 218 over Stream | Fair | 34.1 ft | 10,200 | 2001 |
| Congress ST over Shell Rock River | Fair | 308.1 ft | 4,036 | 2008 |
| US 218 over Cedar River | Fair | 365.2 ft | 2,910 | 1979 |
| US 218 over Slough Creek | Fair | 27.9 ft | 2,040 | 1965 |
| FM over Drainage | Fair | 24.9 ft | 1,640 | 1989 |
| Ia 14 over Flood Creek | Fair | 124.0 ft | 1,520 | 1947 |
| FM over Rock Creek | Fair | 123.0 ft | 1,365 | 1996 |
| FM over Skunk Creek | Fair | 78.1 ft | 1,365 | 1985 |
| FM over Lost Water Creek | Fair | 57.1 ft | 874 | 1996 |
| 1st AVE over Charley West. Rec. Trail | Fair | 111.9 ft | 784 | 1967 |
| FM over Winnebago River | Fair | 263.1 ft | 697 | 1900 |
| Old HWY RD over Bloody Run Creek | Fair | 28.9 ft | 687 | 1959 |
| FM over Gizzard Creek | Fair | 38.1 ft | 678 | 1958 |
| FM over Dry Run | Fair | 32.2 ft | 638 | 1979 |
| FM over Dry Run Creek | Fair | 103.0 ft | 530 | 1979 |
| FM over Dry Run Creek | Fair | 78.1 ft | 530 | 1979 |
| FM over Peters Creek | Fair | 89.9 ft | 412 | 1986 |
| FM over Flood Creek | Fair | 127.0 ft | 412 | 1969 |
| Local over Stewart Creek | Fair | 27.9 ft | 383 | 1973 |
| Cleveland ST over Hyers Creek | Fair | 24.0 ft | 280 | 1978 |
| FM over Flood Creek | Fair | 185.0 ft | 187 | 1964 |
| FM over Cedar River | Fair | 405.8 ft | 167 | 1980 |
| FM over Lost Water Creek | Fair | 28.9 ft | 167 | 1964 |
| FM over Shell Rock River | Fair | 345.1 ft | 118 | 1967 |
| FM over Gizzard Creek | Fair | 104.0 ft | 108 | 1970 |
| Floyd ST over Flood Creek | Fair | 116.1 ft | 94 | 1976 |
| FM over Whiskey Creek | Fair | 29.9 ft | 79 | 1988 |
| FM over Little Cedar River | Fair | 99.1 ft | 79 | 1959 |
| FM over Creek | Fair | 21.0 ft | 79 | 1953 |
| Local over Creek | Fair | 103.0 ft | 78 | 1984 |
| Local over Small Stream | Fair | 24.9 ft | 78 | 1988 |
| 110th ST over Little Cedar River | Fair | 49.9 ft | 78 | 1977 |
| Local over Little Cedar River | Fair | 226.0 ft | 70 | 1984 |
| FM over Ackley Creek | Fair | 131.9 ft | 59 | 1957 |
| Local over Gizzard Creek | Fair | 103.0 ft | 59 | 1965 |
| FM over Flood Creek | Fair | 127.0 ft | 59 | 1970 |
| FM over Slough Creek | Fair | 52.2 ft | 59 | 1987 |
| Local over Creek | Fair | 35.1 ft | 49 | 1958 |
| 300th ST over Flood Creek | Fair | 127.0 ft | 49 | 1964 |
| Local over Shell Rock River | Fair | 303.1 ft | 49 | 1987 |
| Local over Stewart Creek | Fair | 57.1 ft | 49 | 2008 |
| Local over Dry Run | Fair | 41.0 ft | 49 | 1981 |
| Local over Ackley Creek | Fair | 59.1 ft | 44 | 1999 |
| Local over Ackley Creek | Fair | 42.0 ft | 44 | 1982 |
| Local over Flood Creek | Fair | 128.0 ft | 44 | 1967 |
| Local over Flood Creek | Fair | 104.0 ft | 39 | 1984 |
| FM over Drainage | Fair | 29.9 ft | 39 | 1988 |
| FM over Flood Creek | Fair | 77.1 ft | 39 | 1969 |
| Local over Creek | Fair | 32.2 ft | 39 | 1900 |
| FM over Schuyler Creek | Fair | 33.1 ft | 34 | 1989 |
| FM over Drainage | Fair | 26.9 ft | 34 | 1979 |
| Local over Creek | Fair | 52.2 ft | 33 | 1985 |
| Local over Beaver Creek | Fair | 127.0 ft | 33 | 1967 |
| Local over Creek | Fair | 45.9 ft | 33 | 1991 |
| Local over Creek | Fair | 90.9 ft | 29 | 1990 |
| Local over Stream | Fair | 46.9 ft | 29 | 1977 |
| Local over Creek | Fair | 24.0 ft | 29 | 1919 |
| Local over Creek | Fair | 77.1 ft | 29 | 1980 |
| Local over Creek | Fair | 23.0 ft | 26 | 1987 |
| Local over Ackley Creek | Fair | 21.0 ft | 26 | 1919 |
| Local over Ackley Creek | Fair | 102.0 ft | 26 | 1979 |
| Local over Small Stream | Fair | 29.9 ft | 26 | 1986 |
| Local over Overflow Little Cedar | Fair | 37.1 ft | 26 | 1990 |
| Local RD over Stewart Ck | Fair | 43.0 ft | 26 | 1979 |
| Local over Small Stream | Fair | 47.9 ft | 26 | 1987 |
| Local RD over Flood Creek | Fair | 127.0 ft | 26 | 1976 |
| Local RD over Flood Creek | Fair | 82.0 ft | 20 | 1994 |
| Local over Beaver Creek | Fair | 127.0 ft | 20 | 1971 |
| Local over Creek | Fair | 34.1 ft | 20 | 1977 |
| Local over Creek | Fair | 40.0 ft | 20 | 1991 |
| Local over Small | Fair | 25.9 ft | 20 | 1989 |
| Local over Small Stream | Fair | 48.9 ft | 20 | 1974 |
| Local over Flood Creek | Fair | 65.9 ft | 15 | 2006 |
| Local over Creek | Fair | 48.9 ft | 15 | 1989 |
| Local over Dry Run Creek | Fair | 44.0 ft | 11 | 1983 |
| US 18 over Stewart Creek | Good | 40.0 ft | 11,200 | 1998 |
| US 18 & 218 over Stewart Creek | Good | 38.1 ft | 10,900 | 1998 |
| US 18 over Drainage Ditch | Good | 25.9 ft | 10,700 | 1998 |
| US 218 over Bloody Run | Good | 32.8 ft | 10,000 | 1999 |
| US 218 over Stream | Good | 24.9 ft | 10,000 | 1998 |
| US 18 EB over Ia Northern Rr & Stream | Good | 604.0 ft | 5,350 | 1998 |
| US 18 WB over Ia Northern Rr & Stream | Good | 604.0 ft | 5,350 | 1998 |
| US 18 EB over Shellrock Rvr Redball RD | Good | 484.9 ft | 5,350 | 1999 |
| US 18 EB over Flood Creek | Good | 179.1 ft | 5,350 | 1998 |
| US 18 WB over Shellrock Rvr Redball RD | Good | 484.9 ft | 5,350 | 1999 |
| US 18 WB over Flood Creek | Good | 179.1 ft | 5,350 | 1998 |
| US 18 WB Ia 27 NB over US 218 SB T44 | Good | 169.0 ft | 5,200 | 2023 |
| US 18 WB over Cprr | Good | 274.9 ft | 5,100 | 1998 |
| US 18 EB over Cprr | Good | 274.9 ft | 5,050 | 1998 |
| US 18 EB Ia 27 SB over US 218 T44 | Good | 171.9 ft | 4,600 | 2022 |
| US 18 WB over I&m Rr | Good | 219.2 ft | 4,550 | 1998 |
| US 218 SB over Ia 14 & Sherman Creek | Good | 557.1 ft | 4,550 | 1999 |
| US 18 WB over SR B35 | Good | 188.0 ft | 4,450 | 1998 |
| US 18 EB over Co RD B35 | Good | 188.0 ft | 4,450 | 1998 |
| US 18 EB over I&m Rr | Good | 219.2 ft | 4,450 | 1999 |
| US 218 NB over Ia 14 & Sherman Creek | Good | 493.1 ft | 4,150 | 1999 |
| US 218 SB over US 18 | Good | 208.0 ft | 3,950 | 1999 |
| US 218 NB over US 18 | Good | 208.0 ft | 3,900 | 1999 |
| FM over Over Imrl Rr | Good | 274.0 ft | 3,339 | 2008 |
| N Grand AVE over Hyers Creek | Good | 69.9 ft | 2,315 | 2012 |
| E Main over Shell Rock River | Good | 205.1 ft | 2,268 | 2013 |
| US 18 over Drainage Ditch | Good | 25.9 ft | 2,110 | 1987 |
| Ia 14 over Drainage Ditch | Good | 33.1 ft | 1,520 | 1989 |
| FM over Stewart Creek | Good | 28.9 ft | 1,365 | 2007 |
| Ia 14 over Branch Hunter Creek | Good | 25.9 ft | 1,230 | 1994 |
| B30 150th ST over Flood Creek | Good | 152.9 ft | 1,159 | 2016 |
| FM over Dry Run Creek | Good | 24.9 ft | 1,129 | 2010 |
| FM over Uphams Slough Creek | Good | 21.0 ft | 1,021 | 1968 |
| Bradford ST over Shell Rock River | Good | 315.9 ft | 813 | 1996 |
| FM over Creek | Good | 24.9 ft | 717 | 1998 |
| Co RD S 70 over US 18 | Good | 225.1 ft | 697 | 1999 |
| B47 215th ST over Creek | Good | 26.9 ft | 560 | 2020 |
| S70 Balsam AVE over Flood Creek | Good | 84.0 ft | 560 | 2020 |
| 1st ST SW over Shell Rock River | Good | 158.1 ft | 513 | 2020 |
| Local over Beaver Creek | Good | 24.9 ft | 501 | 1992 |
| Kellogg ST over Hyers Creek | Good | 24.0 ft | 230 | 2005 |
| FM over Beemis Creek | Good | 110.9 ft | 206 | 2010 |
| T18(dancer Ave) over Creek | Good | 24.9 ft | 206 | 2012 |
| Local over Stream | Good | 53.1 ft | 168 | 1981 |
| Rotary Park RD over Creek | Good | 24.9 ft | 148 | 2016 |
| Dancer AVE over Ackley Creek | Good | 81.0 ft | 147 | 2011 |
| Local over Creek | Good | 24.9 ft | 108 | 1989 |
| Local over Beemis Creek | Good | 54.1 ft | 88 | 2005 |
| FM over Flood Creek | Good | 128.0 ft | 79 | 1998 |
| B23 110th ST over Little Cedar River | Good | 152.9 ft | 78 | 2009 |
| 110th ST over Skunk Creek | Good | 23.0 ft | 78 | 2013 |
| 150th over Creek | Good | 21.0 ft | 78 | 2020 |
| Local over Beaver Creek | Good | 55.1 ft | 70 | 2002 |
| Local over Beaver Creek | Good | 80.1 ft | 70 | 2001 |
| Local over Creek | Good | 22.0 ft | 59 | 2008 |
| FM over Flood Creek | Good | 128.0 ft | 59 | 2000 |
| Local over Drainage | Good | 50.9 ft | 59 | 1992 |
| 170th ST over Little Cedar | Good | 276.9 ft | 50 | 2019 |
| Local over Dry Run Creek | Good | 103.0 ft | 49 | 1991 |
| 195th over Creek | Good | 103.0 ft | 49 | 2020 |
| Noble AVE over Creek | Good | 42.0 ft | 49 | 2014 |
| T34 Jersey AVE over Small Creek | Good | 23.0 ft | 49 | 2022 |
| FM over Flood Creek | Good | 128.0 ft | 49 | 2001 |
| Local over Creek | Good | 78.1 ft | 49 | 1990 |
| Local over Small | Good | 24.9 ft | 49 | 2010 |
| Foothill over Flood Creek | Good | 151.9 ft | 49 | 2005 |
| Local over Small Stream | Good | 21.0 ft | 49 | 1994 |
| B35 180th ST over Shell Rock River | Good | 216.9 ft | 49 | 2022 |
| Local over Flood Creek | Good | 49.9 ft | 49 | 1996 |
| 110th ST over Dry Run Creek | Good | 24.9 ft | 49 | 1996 |
| Victory Avenue over Little Cedar | Good | 246.1 ft | 45 | 2024 |
| Zinnia AVE over Dry Run | Good | 24.9 ft | 44 | 2014 |
| Local over Small Stream | Good | 22.0 ft | 44 | 1996 |
| 180th Street over Dd | Good | 21.0 ft | 44 | 2008 |
| Local over Small Stream | Good | 29.9 ft | 39 | 1987 |
| 280th ST over Flood Creek | Good | 150.9 ft | 39 | 2011 |
| Local over Peters Creek | Good | 32.2 ft | 39 | 1988 |
| Local over Beaver Creek | Good | 41.0 ft | 39 | 1990 |
| Local over Flood Creek | Good | 153.9 ft | 33 | 2004 |
| Victory over Little Cedar Tributary | Good | 29.9 ft | 33 | 2018 |
| Local over Beemis Creek | Good | 128.0 ft | 29 | 2003 |
| Echo AVE over Beemis Creek | Good | 64.0 ft | 29 | 2011 |
| Local over Small Stream | Good | 30.8 ft | 29 | 1987 |
| Local over Creek | Good | 57.1 ft | 29 | 1991 |
| 220th ST over Flood Creek | Good | 152.9 ft | 29 | 2017 |
| Local over Beaver Creek | Good | 90.9 ft | 29 | 2002 |
| 130th ST over Stream | Good | 24.9 ft | 29 | 2023 |
| Local over Creek | Good | 59.1 ft | 29 | 2005 |
| FM over Skunk Creek | Good | 65.0 ft | 29 | 2010 |
| Local over Creek | Good | 36.1 ft | 26 | 1990 |
| Local over Creek | Good | 152.9 ft | 26 | 2008 |
| 260th ST over Beemis Creek | Good | 65.9 ft | 26 | 2013 |
| 280th ST over Ackley Creek | Good | 83.0 ft | 26 | 2015 |
| 190th ST over Creek | Good | 21.0 ft | 26 | 2001 |
| 200th over Dry Run | Good | 24.9 ft | 26 | 2018 |
| Kirkwood Road over Creek | Good | 26.6 ft | 25 | 2024 |
| Local over Ackley Creek | Good | 127.0 ft | 20 | 1985 |
| Zinnia AVE over Ackley Creek | Good | 21.0 ft | 20 | 2010 |
| 280th ST over Ackley Creek | Good | 24.9 ft | 20 | 2016 |
| Local over Little Flood Creek | Good | 60.0 ft | 20 | 1995 |
| Local over Small | Good | 21.0 ft | 20 | 2009 |
| 170th ST over Stream | Good | 28.9 ft | 20 | 2021 |
| Holly AVE over Flood Creek | Good | 152.9 ft | 20 | 2014 |
| Local over Creek | Good | 21.0 ft | 20 | 2007 |
| Victory AVE over Little Cedar Tributary | Good | 21.0 ft | 20 | 2013 |
| March ST over Creek | Good | 52.2 ft | 15 | 2007 |
| Local over Drainage Ditch | Good | 49.9 ft | 11 | 1997 |
| 260th over Beemis Creek | Good | 52.2 ft | 11 | 2017 |