| FM over Williams Creek | Poor | 60.0 ft | 1,650 | 1936 |
| B AVE over Small Stream | Poor | 28.9 ft | 938 | 1936 |
| 9th Avenue over Smith Creek | Poor | 73.2 ft | 920 | 1928 |
| FM over N. Fork Long Creek | Poor | 82.0 ft | 440 | 1961 |
| FM over Small Stream | Poor | 22.0 ft | 270 | 1925 |
| FM over N. Fork Long Creek | Poor | 42.0 ft | 160 | 1925 |
| Co RD W64 over Long Creek | Poor | 82.0 ft | 140 | 1929 |
| Underwood AVE over N Fork Long CR | Poor | 69.9 ft | 131 | 1953 |
| FM over Skunk River | Poor | 652.9 ft | 120 | 1957 |
| Local over Smith Creek | Poor | 43.0 ft | 110 | 1930 |
| Local Road over Small Stream | Poor | 44.9 ft | 80 | 1966 |
| Local Road over Whiskey Creek | Poor | 32.2 ft | 71 | 1969 |
| Local over S. Fork Long Creek | Poor | 44.9 ft | 71 | 1953 |
| Local over N Fork Long CR | Poor | 47.9 ft | 60 | 1973 |
| Local over Whiskey Creek | Poor | 33.1 ft | 60 | 1917 |
| Local Road over Small Stream | Poor | 32.2 ft | 60 | 1928 |
| FM over Small Stream | Poor | 32.2 ft | 50 | 1917 |
| FM over Deer Creek | Poor | 127.0 ft | 50 | 1953 |
| FM over Walnut Creek | Poor | 82.0 ft | 45 | 1955 |
| FM over Dutch Creek | Poor | 35.1 ft | 45 | 1956 |
| FM over Small Stream | Poor | 21.0 ft | 45 | 1927 |
| Local over Sm Stream | Poor | 53.1 ft | 40 | 1974 |
| FM over Br English River | Poor | 22.0 ft | 40 | 1927 |
| Local over Goose Creek | Poor | 33.1 ft | 26 | 1975 |
| Local Road over Small Stream | Poor | 22.0 ft | 26 | 1927 |
| Local Road over West Fork Crooked Creek | Poor | 46.9 ft | 26 | 1949 |
| Local Road over Whiskey Creek | Poor | 84.0 ft | 20 | 1929 |
| Local over Sm Stream | Poor | 29.9 ft | 11 | 1934 |
| Local Road over South Fork Long Creek | Poor | 105.0 ft | 11 | 1914 |
| Local Road over Small Stream | Poor | 32.2 ft | 11 | 1917 |
| Local over Davis Creek | Poor | 41.0 ft | 11 | 1980 |
| FM over Sm Stream | Poor | 29.9 ft | 10 | 1928 |
| Local over North Fork Long Creek | Poor | 46.9 ft | 5 | 1929 |
| US 218 over Whiskey Run Creek | Fair | 23.0 ft | 14,900 | 1984 |
| US 218 over Stream | Fair | 28.9 ft | 14,900 | 1984 |
| SB US 218 over Goose Creek | Fair | 142.1 ft | 7,600 | 1984 |
| SB US 218 over Davis Creek | Fair | 132.9 ft | 7,600 | 1984 |
| US 218 SB over English River | Fair | 459.0 ft | 7,600 | 1984 |
| SB US 218 over Ia 22 | Fair | 236.9 ft | 7,050 | 1984 |
| US 218 SB over E Fork Crooked Creek | Fair | 196.9 ft | 6,500 | 2014 |
| Ia 92 over South Long Creek | Fair | 132.9 ft | 5,900 | 1967 |
| US 218 SB over S. Fork Long Creek | Fair | 137.1 ft | 5,750 | 1997 |
| US 218 SB over Cp Rr | Fair | 191.9 ft | 5,600 | 1996 |
| NB US 218 over Cp Rr | Fair | 191.9 ft | 5,500 | 1996 |
| Ia 22 over Iowa River Overflow | Fair | 142.1 ft | 4,250 | 1987 |
| Ia 1 over English River | Fair | 347.1 ft | 4,120 | 1979 |
| FM over Small Stream | Fair | 22.0 ft | 3,370 | 1966 |
| Ia 22 over Smith Creek | Fair | 146.0 ft | 3,330 | 1990 |
| Ia 22 over English River Overflow | Fair | 138.1 ft | 3,330 | 1994 |
| Ia 22 over Ramsey Creek | Fair | 123.0 ft | 3,330 | 1994 |
| Ia 22 over Drainage Ditch | Fair | 23.0 ft | 3,330 | 1994 |
| Ia 1 over Walnut Creek | Fair | 39.0 ft | 2,340 | 2006 |
| FM over South Fork Long Creek | Fair | 57.1 ft | 2,280 | 1979 |
| Co RD G36 over US 218 | Fair | 240.2 ft | 2,010 | 2008 |
| Ia 92 over Dutch Creek | Fair | 32.2 ft | 1,810 | 1923 |
| Ia 92 over Drainage Ditch | Fair | 32.2 ft | 1,810 | 1968 |
| FM over Crooked Creek | Fair | 323.2 ft | 1,720 | 1940 |
| FM over Burr Oak Creek | Fair | 25.9 ft | 1,100 | 1991 |
| FM over Dutch Creek | Fair | 24.9 ft | 890 | 1956 |
| FM over Small Stream | Fair | 102.0 ft | 540 | 1953 |
| FM over Davis Creek | Fair | 58.1 ft | 520 | 1953 |
| FM over Williams Creek | Fair | 126.0 ft | 380 | 1980 |
| FM over Crooked Creek | Fair | 229.0 ft | 270 | 1987 |
| FM over Clemons Creek | Fair | 25.9 ft | 260 | 1990 |
| FM over N. Fork Long Creek | Fair | 34.1 ft | 230 | 1970 |
| Co RD W64 over Big Slough Creek | Fair | 40.0 ft | 220 | 1982 |
| Co RD W64 over Drainage Ditch | Fair | 83.0 ft | 210 | 1982 |
| FM over Sm Stream | Fair | 24.9 ft | 180 | 1974 |
| Local over Camp Creek | Fair | 69.9 ft | 161 | 1954 |
| FM over Richland CR | Fair | 82.0 ft | 150 | 1972 |
| Local Road over Small Stream | Fair | 57.1 ft | 140 | 1966 |
| Local over Sm Stream | Fair | 53.1 ft | 140 | 1973 |
| Local over Camp CR | Fair | 53.1 ft | 140 | 1974 |
| Local Road over South Fork Long Creek | Fair | 44.9 ft | 131 | 1965 |
| FM over Camp CR | Fair | 69.9 ft | 122 | 1974 |
| FM over Cedar Creek | Fair | 57.1 ft | 120 | 1962 |
| FM over Camp Creek | Fair | 82.0 ft | 120 | 1968 |
| Local Road over Burr Oak Creek | Fair | 22.0 ft | 100 | 1968 |
| FM over North Fork Long Creek | Fair | 81.0 ft | 100 | 1969 |
| Kiwi AVE over Clemons Creek | Fair | 59.1 ft | 100 | 1971 |
| Larch AVE over Cedar Creek | Fair | 57.1 ft | 100 | 1953 |
| FM over Davis Creek | Fair | 57.1 ft | 90 | 1962 |
| FM over Davis Creek | Fair | 131.9 ft | 80 | 1994 |
| Local Road over Davis Creek | Fair | 58.1 ft | 71 | 1956 |
| Local Road over Small Stream | Fair | 24.9 ft | 71 | 1988 |
| FM over Davis Creek | Fair | 118.1 ft | 70 | 1980 |
| FM over Smith Creek | Fair | 103.0 ft | 70 | 1952 |
| FM over West Fork Crooked Creek | Fair | 244.1 ft | 60 | 1978 |
| Local Road over Small Stream | Fair | 44.0 ft | 60 | 1950 |
| FM over Clemons Creek | Fair | 44.9 ft | 60 | 1956 |
| FM over Indian Creek | Fair | 57.1 ft | 60 | 1968 |
| Local Road over Small Stream | Fair | 32.2 ft | 60 | 1966 |
| FM over Goose Creek | Fair | 52.2 ft | 60 | 1983 |
| Local Road over Deer Creek | Fair | 127.0 ft | 60 | 1966 |
| FM over Lime Creek | Fair | 24.9 ft | 60 | 1964 |
| Local Road over East Walnut Creek | Fair | 24.9 ft | 50 | 1968 |
| FM over Honey Creek | Fair | 82.0 ft | 50 | 1969 |
| Local over Small Stream | Fair | 28.9 ft | 50 | 1987 |
| Local Road over South Fork Long Creek | Fair | 57.1 ft | 50 | 1966 |
| Local Road over Cedar Creek | Fair | 24.0 ft | 50 | 1999 |
| Local Road over West Fork Crooked Creek | Fair | 91.9 ft | 50 | 2008 |
| FM over South English River | Fair | 194.9 ft | 50 | 1993 |
| Local over West Fork Crooked Creek | Fair | 177.2 ft | 45 | 1956 |
| FM over W. Fork Crooked Creek | Fair | 82.0 ft | 45 | 1978 |
| Local over Williams CR | Fair | 43.0 ft | 40 | 1972 |
| Local Road over Walnut Creek | Fair | 22.0 ft | 40 | 1962 |
| Local Road over Small Stream | Fair | 22.0 ft | 40 | 1968 |
| Local Road over Small Stream | Fair | 44.0 ft | 40 | 1970 |
| Local over Crooked Creek | Fair | 128.0 ft | 40 | 1987 |
| 297th Place over Buff Creek | Fair | 68.9 ft | 34 | 1955 |
| Local over Small Stream | Fair | 58.1 ft | 34 | 1969 |
| Local Road over Small Creek | Fair | 30.8 ft | 30 | 1964 |
| Local over Williams CR | Fair | 43.0 ft | 30 | 1972 |
| Local Road over South Fork Long Creek | Fair | 59.1 ft | 30 | 1967 |
| Local Road over Clemons Creek | Fair | 45.9 ft | 26 | 1969 |
| Local over Small Stream | Fair | 28.9 ft | 26 | 1987 |
| FM over Goose Creek | Fair | 131.9 ft | 26 | 1966 |
| Local over Small Stream | Fair | 25.9 ft | 26 | 1965 |
| Local Road over Clemons Creek | Fair | 25.9 ft | 20 | 1991 |
| Local over Sm Stream | Fair | 24.9 ft | 15 | 1992 |
| Local over Davis Creek | Fair | 35.1 ft | 15 | 1963 |
| Local over Small Stream | Fair | 25.9 ft | 15 | 1967 |
| Local Road over Small Stream | Fair | 28.9 ft | 15 | 1975 |
| Local Road over Camp Creek | Fair | 69.9 ft | 11 | 2007 |
| Lk Darling ST Pk over Honey Creek | Fair | 84.0 ft | 0 | 1929 |
| US 218 over Drainage | Good | 21.0 ft | 13,800 | 1997 |
| US 218 over Big Slough Creek | Good | 37.1 ft | 12,400 | 1997 |
| NB US 218 over Goose Creek | Good | 142.1 ft | 7,450 | 1994 |
| NB US 218 over Davis Creek | Good | 132.9 ft | 7,450 | 1994 |
| NB US 218 over English River | Good | 458.0 ft | 7,450 | 1994 |
| US 218 NB over Ia 22 | Good | 236.9 ft | 6,900 | 1995 |
| NB US 218 over E. Fork Crooked Creek | Good | 183.1 ft | 6,400 | 1997 |
| Ia 22 over Salvesen Creek | Good | 70.9 ft | 6,200 | 2017 |
| Ia 22 over Drainage Ditch | Good | 21.0 ft | 6,200 | 1988 |
| NB US 218 over S Fk Long Creek | Good | 134.8 ft | 5,650 | 1997 |
| US 218 SB over N. Fork Long Creek | Good | 208.3 ft | 5,500 | 1997 |
| NB US 218 over N Fk Long Creek | Good | 208.7 ft | 5,400 | 1997 |
| SB US 218 over Ia 92 | Good | 215.9 ft | 4,250 | 1996 |
| NB US 218 over Ia 92 | Good | 226.0 ft | 4,150 | 1996 |
| Ia 1 over Camp Creek | Good | 124.0 ft | 4,120 | 2019 |
| Ia 1 over Long Creek | Good | 28.9 ft | 4,100 | 1987 |
| Ia 92 over North Fork Long Creek | Good | 103.0 ft | 3,700 | 2001 |
| FM over S. Fork Long Creek | Good | 28.9 ft | 3,520 | 1996 |
| FM over N.fork Long Creek | Good | 38.1 ft | 3,370 | 1985 |
| Ia 22 over English River | Good | 291.0 ft | 3,330 | 1994 |
| Ia 22 over Bulgers Run | Good | 26.6 ft | 3,090 | 2021 |
| Ia 1 over West Fork Crooked Creek | Good | 257.5 ft | 2,600 | 2016 |
| Ia 92 over W Branch Crooked Creek | Good | 216.9 ft | 2,430 | 2011 |
| Ia 1 over Skunk River & Access RD | Good | 733.9 ft | 2,340 | 2015 |
| Ia 1 over Cedar Creek | Good | 38.1 ft | 2,340 | 1987 |
| W55 Wayland RD over W Fork Crooked Creek | Good | 286.1 ft | 1,720 | 2002 |
| Ia 1 & Ia 78 over Honey Creek | Good | 103.0 ft | 1,520 | 1991 |
| FM over English River | Good | 425.9 ft | 1,460 | 1999 |
| FM over English River | Good | 410.1 ft | 1,400 | 1999 |
| W64 Vine AVE over Small Natural Stream | Good | 24.9 ft | 1,230 | 2015 |
| Co RD W64 over English River | Good | 667.0 ft | 1,230 | 2006 |
| G 38 over W Fork Crooked Creek | Good | 196.9 ft | 970 | 2011 |
| Co RD W64 over Davis Creek | Good | 126.0 ft | 790 | 2004 |
| W38 Ginko AVE over Drainage Ditch | Good | 21.0 ft | 770 | 2010 |
| FM over W Fork Crooked CR | Good | 38.1 ft | 750 | 1998 |
| FM over W. Fork Crooked Creek | Good | 271.0 ft | 660 | 2003 |
| FM over Small Stream | Good | 34.1 ft | 640 | 2009 |
| G26 190th ST over Small Stream | Good | 38.1 ft | 640 | 2015 |
| FM over S. Fork Long Creek | Good | 141.1 ft | 590 | 1992 |
| G 26 (190th St) over Unnamed Creek | Good | 21.0 ft | 540 | 2014 |
| Co RD W64 over Whiskey Run Creek | Good | 24.0 ft | 520 | 2006 |
| Co RD W64 over Goose Creek | Good | 129.9 ft | 520 | 2004 |
| FM over East Fork Crooked Creek | Good | 246.1 ft | 490 | 1990 |
| W38 Ginko AVE over Crooked Creek | Good | 191.9 ft | 430 | 2000 |
| 2nd ST over Flint Creek | Good | 26.9 ft | 389 | 2008 |
| W62 Redwood AVE over Small Stream | Good | 24.0 ft | 380 | 2013 |
| FM over English River | Good | 326.1 ft | 270 | 1998 |
| G38 over Dutch Creek | Good | 167.0 ft | 250 | 2016 |
| A AVE over Small Creek | Good | 28.9 ft | 234 | 2011 |
| C AVE over Small Stream | Good | 30.8 ft | 234 | 1998 |
| Local over Small Creek | Good | 28.9 ft | 200 | 1977 |
| Hickory AVE over Smith Creek | Good | 142.1 ft | 190 | 2011 |
| Local over South Fork Long Creek | Good | 128.9 ft | 161 | 2009 |
| 130th Street over Smith Creek | Good | 103.0 ft | 150 | 2021 |
| Orange Avenue over Small Stream | Good | 25.9 ft | 131 | 2019 |
| 155th ST over Lime Creek | Good | 24.9 ft | 120 | 2013 |
| Elm AVE over Creek | Good | 21.0 ft | 120 | 2005 |
| Local over South Fork Long Creek | Good | 83.0 ft | 110 | 1991 |
| Poplar BLVD over Small Stream | Good | 24.9 ft | 100 | 2006 |
| Local Road over Camp Creek | Good | 98.1 ft | 100 | 1991 |
| 110th ST over Small Stream | Good | 34.1 ft | 100 | 2006 |
| FM over Indian Creek | Good | 139.1 ft | 90 | 1997 |
| Local over East Fork Crooked Creek | Good | 191.9 ft | 80 | 2004 |
| Local Road over Small Stream | Good | 25.9 ft | 80 | 2007 |
| 130th Street over Lime Creek | Good | 32.2 ft | 80 | 2020 |
| FM over Dutch Creek | Good | 28.9 ft | 72 | 1997 |
| 1st ST over Long Creek | Good | 141.1 ft | 58 | 2013 |
| Local over Smith Creek | Good | 98.1 ft | 50 | 1989 |
| FM over Dutch Creek | Good | 25.9 ft | 45 | 1997 |
| Juniper AVE over Small Stream | Good | 24.9 ft | 40 | 2022 |
| Local Road over Buff Creek | Good | 25.9 ft | 40 | 1997 |
| Local over North Fork Long Creek | Good | 24.9 ft | 40 | 1995 |
| Washington AVE over Camp Creek | Good | 32.2 ft | 40 | 2018 |
| Birch AVE over Smith Creek | Good | 69.9 ft | 34 | 2020 |
| Local Road over Small Creek | Good | 28.9 ft | 30 | 1990 |
| 275th ST over Dutch Creek | Good | 132.9 ft | 30 | 2018 |
| Local over Goose Creek | Good | 98.1 ft | 26 | 1988 |
| Yucca AVE over Buff Creek | Good | 28.9 ft | 20 | 1995 |
| Local over Goose Creek | Good | 98.1 ft | 15 | 1990 |
| Local Road over Small Stream | Good | 22.0 ft | 11 | 2004 |
| Local Road over Small Stream | Good | 26.9 ft | 11 | 2001 |
| 135th over Side Ditch Bridge | Good | 25.9 ft | 10 | 1993 |