| I 35 NB over Iowa River | 1974 | 8,250 | Good |
| NB I-35 over Drainage Ditch #29 | 1974 | 8,250 | Good |
| SB I-35 over Drainage Ditch #29 | 1974 | 8,250 | Fair |
| SB I-35 over Iowa River | 1974 | 8,250 | Fair |
| Ia 3 over White Fox Creek | 1986 | 4,020 | Good |
| Ia 3 over Eagle Creek | 1932 | 3,450 | Fair |
| Ia 3 over Little Eagle Creek | 2016 | 3,450 | Good |
| US 69 over Iowa River | 1933 | 3,210 | Fair |
| Ia 17 over Boone River | 1933 | 3,180 | Fair |
| Ia 17 over Drainage Ditch | 1933 | 3,100 | Fair |
| US 69 over Iowa River | 2022 | 3,020 | Fair |
| US 69 over Iowa River | 2014 | 2,970 | Good |
| US 69 over Iowa River Overflow | 2014 | 2,970 | Good |
| US 69 over Iowa River | 2022 | 2,900 | Good |
| Ia 3 & 17 over Boone River | 1984 | 2,800 | Good |
| Ia 3 & 17 over Drainage Ditch | 1984 | 2,800 | Good |
| Ia 17 over Stream | 1960 | 2,570 | Fair |
| US 69 over Iowa River | 1977 | 2,480 | Fair |
| US 69 over Stream | 1962 | 2,480 | Fair |
| US 69 over Drainage Ditch | 1929 | 2,020 | Fair |
| Ia 3 over Iowa River | 1976 | 1,620 | Fair |
| Ia 3 over Stream | 1976 | 1,620 | Fair |
| Ia 17 over Drainage Ditch | 1987 | 1,490 | Good |
| Ia 17 over Drainage Ditch #9 | 1990 | 1,490 | Good |
| FM over Drainage Ditch 9 | 2003 | 1,387 | Good |
| Ia 17 over Prairie Creek | 2022 | 1,230 | Good |
| C70 330TH St over White Fox Creek | 2014 | 1,168 | Good |
| C70 330TH St over Boone River | 1951 | 977 | Poor |
| FM over Iowa River | 1965 | 977 | Poor |
| Fm.rt C-20 over Dd #125 | 1991 | 970 | Fair |
| 330TH St over Eagle Creek | 1951 | 966 | Poor |
| FM over White Fox Creek | 1980 | 917 | Fair |
| W Main St over Iowa River | 1978 | 908 | Fair |
| FM over Boone River | 1990 | 898 | Good |
| FM over Stream | 1989 | 898 | Fair |
| FM over Otter Creek | 2002 | 833 | Fair |
| FM over Eagle Creek | 1963 | 818 | Poor |
| FM over Buck Creek | 2003 | 778 | Good |
| FM over White Fox Creek | 1963 | 742 | Poor |
| C54 265TH St over Drainage | 1976 | 609 | Poor |
| C54 265TH St over Drainage | 1976 | 569 | Poor |
| FM R-75 over I-35 | 1971 | 538 | Fair |
| FM over Drainage Ditch 107 | 2004 | 508 | Good |
| R33(HANCOCK Av) over Otter Creek | 2013 | 499 | Good |
| FM over Drainage Ditch 107 | 2007 | 469 | Good |
| FM over D.D.NO.90 | 1993 | 450 | Fair |
| FM over Iowa River | 1961 | 450 | Poor |
| R65 Union Ave over Luick Creek | 2016 | 406 | Good |
| FM over Drainage Ditch | 2002 | 390 | Good |
| C26 (150TH St) over Boone River | 2012 | 305 | Good |
| Local over Small | 1973 | 275 | Poor |
| 9TH St SW over Drainage Ditch #15 | 2019 | 257 | Good |
| FM over Otter Creek | 2006 | 223 | Good |
| Cedar St over Boone River | 2004 | 220 | Good |
| FM over Iowa River | 1968 | 199 | Poor |
| FM over Wheeler Creek | 1968 | 199 | Poor |
| Local over Eagle Creek | 1981 | 170 | Fair |
| Local over Eagle Creek | 1986 | 112 | Fair |
| FM over Stream | 1978 | 100 | Poor |
| 250TH St over Stream | 2004 | 92 | Good |
| 250TH St over Boone River | 1974 | 90 | Fair |
| Local over White Fox Creek | 2006 | 82 | Good |
| 305TH St over I-35 | 1974 | 81 | Good |
| Local over Drainage Ditch 14 | 1974 | 81 | Fair |
| Local over Stream | 1992 | 81 | Good |
| FM over Drainage Ditch 36 | 1968 | 80 | Poor |
| Local Road over Iowa River | 2001 | 73 | Good |
| Local over Drainage Ditch 7 | 1963 | 73 | Poor |
| Local over Drainage Ditch 11-13 | 1927 | 72 | Poor |
| Calhoun Ave over Stream | 2015 | 71 | Good |
| FM over Boone River | 1974 | 71 | Fair |
| FM over Stream | 1981 | 71 | Poor |
| Local over Boone River | 1968 | 63 | Fair |
| Local over D.d. 107 | 1997 | 63 | Fair |
| Local over Dd #121 | 1984 | 63 | Fair |
| Local over Iowa River | 1987 | 63 | Fair |
| Local over Boone River | 1978 | 62 | Fair |
| Local over Stream | 2008 | 62 | Good |
| FM over Small Stream | 1954 | 61 | Poor |
| FM over Small Stream | 2008 | 61 | Good |
| 210TH St over Dd #36 | 2010 | 51 | Good |
| Local over Drainage Ditch 14 | 2002 | 51 | Good |
| Local over Luicks Creek | 1979 | 51 | Poor |
| Local over Small Stream | 1996 | 51 | Fair |
| Local over West Branch Iowa River | 1968 | 51 | Fair |
| Local over Wheeler Creek | 1978 | 51 | Poor |
| Local over Boone River | 1986 | 50 | Fair |
| R35 Keokuk Ave over Eagle Creek-d D 36 | 2017 | 50 | Good |
| Local over Creek | 1900 | 47 | Poor |
| 230TH St over Creek | 1900 | 46 | Poor |
| 240TH St over Drainage Ditch 14 | 1920 | 46 | Fair |
| Local Road over Iowa River | 1995 | 46 | Good |
| Local over Iowa River | 1975 | 46 | Fair |
| FM over Creek | 1980 | 42 | Fair |
| Local Road over Branch Iowa River | 2006 | 42 | Good |
| Local over Iowa River | 1975 | 42 | Poor |
| C26 (150TH St) over Eagle Creek Dd 36 | 2014 | 41 | Good |
| FM over Otter Creek | 1968 | 41 | Fair |
| Local over Drainage Ditch 36 | 1982 | 41 | Fair |
| Youngblood Ave over Dd #29 | 2018 | 41 | Good |
| C26 150TH St over Drainage Ditch 107 | 2015 | 40 | Good |
| Local over Boone River | 1985 | 36 | Fair |
| Local over Dd# 107 | 1987 | 36 | Good |
| Local over Otter Creek | 1982 | 36 | Fair |
| Buchanan Ave over Boone River | 1912 | 35 | Poor |
| Buchanan Ave over Stream | 2021 | 35 | Good |
| FM over Boone River | 1972 | 35 | Poor |
| Local over Dd #29 | 1978 | 35 | Fair |
| Local over Eagle Creek | 1968 | 35 | Fair |
| Local over Eagle Creek | 1981 | 35 | Fair |
| Local over Stream | 1905 | 35 | Poor |
| Local over White Fox Creek | 1914 | 35 | Poor |
| Yankee Ave over Dd #29 | 1978 | 35 | Fair |
| 250TH St over Eagle Creek | 2017 | 31 | Good |
| FM over Boone River | 1980 | 31 | Fair |
| Local Road over Iowa River | 1991 | 31 | Good |
| Local over Boone River | 1979 | 31 | Fair |
| Local over Boone River | 1983 | 31 | Fair |
| Local over Boone River | 1968 | 31 | Fair |
| Local over Eagle CREEK(DD#36) | 1984 | 31 | Fair |
| Local over Otter Creek | 1967 | 31 | Poor |
| Local over Otter Creek | 1995 | 31 | Good |
| Local over Drainage Ditch 36 | 1980 | 30 | Poor |
| Local over Eagle Creek | 1985 | 30 | Fair |
| Local over Iowa River | 1978 | 30 | Fair |
| 130TH St over Drainage Ditch 107 | 1936 | 26 | Poor |
| Davis Ave over Stream | 2013 | 26 | Good |
| FM over White Fox Creek | 1967 | 26 | Fair |
| Local over Dd 107 | 1983 | 26 | Fair |
| Local over Eagle Creek | 1981 | 26 | Poor |
| Local over Otter Creek | 2006 | 26 | Good |
| Local over W. Br. Iowa River | 1990 | 26 | Fair |
| Local over W. Br. Iowa River | 1990 | 26 | Fair |
| Local over White Fox Creek | 1968 | 26 | Poor |
| North Davis Ave over Wright Co. Drain Ditch | 2004 | 25 | Good |
| Baxter Ave over Drainage Ditch | 2011 | 21 | Good |
| Local Road over Boone River | 1991 | 21 | Good |
| Local Road over Iowa River | 1930 | 21 | Poor |
| Local Road over Otter Creek | 1985 | 21 | Fair |
| Local over Dd #10 | 1968 | 21 | Poor |
| Local over Dd #107 | 1972 | 21 | Poor |
| Local over Dd #219 | 1979 | 21 | Fair |
| Local over Dd #99 | 2008 | 21 | Good |
| Local over Dd# 219 | 1987 | 21 | Fair |
| Local over Eagle Creek | 1981 | 21 | Poor |
| Local over Iowa River | 1998 | 21 | Good |
| Local over Little Eagle Creek | 1973 | 21 | Poor |
| Local over White Fox Creek | 1983 | 21 | Fair |
| Local over White Fox Creek | 1975 | 21 | Poor |
| FM over Creek | 1977 | 20 | Poor |
| 160TH St over Creek | 2021 | 15 | Good |
| Local over D.d. 107 | 2010 | 15 | Good |
| Local over Drainage Ditch 121 | 1900 | 15 | Poor |
| Local over Drainage Ditch 3 | 1979 | 15 | Poor |
| Local over Eagle Creek | 1976 | 15 | Fair |
| Local over Eagle Creek | 2006 | 15 | Good |
| Local over South Fork Iowa River | 1986 | 15 | Good |
| Local over Stream | 1996 | 15 | Good |
| Local over White Fox Creek | 1982 | 15 | Fair |
| Local over White Fox Creek | 1983 | 15 | Fair |
| 295TH St over Drainage Ditch #7 | 2012 | 11 | Good |
| Emmett Ave over Otter Creek | 1969 | 11 | Poor |
| FM over Boone River | 1980 | 11 | Fair |
| Local Road over West Branch Iowa River | 1919 | 11 | Poor |
| Local over Dd #219 | 1972 | 11 | Poor |
| Local over Drainage Ditch 111 | 1900 | 11 | Poor |
| Local over Drainage Ditch 9 | 1920 | 11 | Poor |
| Local over Eagle Creek | 1979 | 11 | Poor |
| Local over Small Stream | 1985 | 11 | Fair |
| Local over Stream | 1997 | 11 | Good |
| Local over White Fox Creek | 1941 | 11 | Poor |
| Uptagraph Avenue over Stream | 2014 | 11 | Good |
| Field Entrance over Side Ditch | 1985 | 10 | Fair |
| Local over Dd #66 | 1996 | 5 | Fair |
| Local over Eagle Creek | 1975 | 5 | Poor |