| Ave L over Dry Creek | 1915 | 10,953 | Poor |
| US 136 over Mississippi River RR Rd | 1985 | 10,500 | Fair |
| Ave H over French Creek | 1983 | 10,382 | Fair |
| Ia 27 over Stream | 1947 | 7,200 | Fair |
| Ia 27 over Sugar Creek | 2001 | 7,200 | Fair |
| Ia 2 over US 61 | 2011 | 6,200 | Fair |
| US 61 & 136 over Des Moines Rvr RR & Rd | 1994 | 5,100 | Fair |
| US 218 SB over Sugar Creek | 2003 | 4,650 | Good |
| US 218 SB over West Br Sugar Creek | 2003 | 4,650 | Good |
| NB US 61 over Lost Creek | 1966 | 4,550 | Fair |
| SB US 61 over Lost Creek | 1992 | 4,550 | Good |
| US 218 NB over Big Sugar Creek | 1970 | 4,550 | Fair |
| US 218 NB over West Br Sugar Creek | 2003 | 4,550 | Good |
| Ave E over French Creek | 1982 | 4,439 | Fair |
| Ia 2 over Devil Creek | 1973 | 4,250 | Fair |
| NB US 61 over Devils Creek | 1999 | 3,850 | Good |
| SB US 61 over BNSF RR | 1999 | 3,850 | Good |
| SB US 61 over Devils Creek | 2000 | 3,850 | Good |
| US 61 NB over BNSF RR | 1999 | 3,850 | Good |
| US 61 NB over County Rd | 2011 | 3,850 | Good |
| US 61 SB over County Rd | 2011 | 3,850 | Good |
| 2ND St over Small Natural Stream | 1959 | 3,720 | Fair |
| Ia 27 SB over 295TH St and BNSF RR | 2001 | 3,650 | Good |
| Ia 27 SB over Des Moines River | 2002 | 3,650 | Fair |
| Ia 27 SB over Sugar Creek | 2002 | 3,650 | Good |
| Ia 27 NB over 295TH St and BNSF RR | 2001 | 3,600 | Fair |
| Ia 27 NB over Des Moines River | 2002 | 3,600 | Fair |
| Ia 27 NB over Sugar Creek | 1989 | 3,600 | Fair |
| US 61 NB over BNSF RR | 1999 | 3,500 | Fair |
| US 61 SB over BNSF RR | 1999 | 3,500 | Good |
| SB US 61 over BNSF RR | 1999 | 3,400 | Good |
| US 61 NB over BNSF RR | 1999 | 3,400 | Good |
| US 136 over Soap Creek & BNSF RR | 1974 | 3,220 | Fair |
| US 61 NB over Jack Creek | 2000 | 3,050 | Good |
| US 61 SB over Jack Creek | 1998 | 3,050 | Good |
| US 218 SB over Ia 2 | 2002 | 3,000 | Good |
| Ia 2 over Big Sugar Creek | 1979 | 2,980 | Poor |
| US 218 NB over Ia 2 | 2002 | 2,950 | Good |
| Ave A over Dry Creek | 1987 | 2,890 | Fair |
| Ia 27 SB over US 218 | 2002 | 2,850 | Fair |
| Co Rd X32 over US 61 | 2010 | 2,840 | Good |
| Ia 27 NB over US 218 | 2002 | 2,800 | Fair |
| US 218 over over BNSF RR | 1971 | 2,750 | Fair |
| 27TH St over Dry Creek | 2023 | 2,551 | Good |
| US 61 NB over Bluff Rd | 2011 | 2,435 | Good |
| US 61 NB over Chalk Ridge Rd | 2011 | 2,435 | Good |
| US 61 SB over Bluff Rd | 2011 | 2,435 | Good |
| US 61 SB over Chalk Ridge Rd | 2011 | 2,435 | Good |
| Co Rd J40 over US 61 | 2011 | 2,360 | Good |
| J 40 over Small Natural Stream | 1931 | 2,300 | Fair |
| County Road over Pitman Creek | 1995 | 2,260 | Good |
| Richards Dr over Dry Creek | 1951 | 2,012 | Poor |
| Business 61 over US 61 | 2011 | 1,650 | Good |
| Ia 2 over Sugar Creek | 2021 | 1,630 | Good |
| County Road over Sugar Creek | 1985 | 1,530 | Fair |
| Ia 16 over Sugar Creek | 1966 | 1,490 | Fair |
| FM over Painter Creek | 1972 | 1,400 | Fair |
| FM over Painter Creek | 1972 | 1,400 | Good |
| FM over Pitman Creek | 1989 | 1,400 | Good |
| County Road over Little Sugar Creek | 1975 | 1,370 | Fair |
| Ia 2 over Lick Creek | 2021 | 1,330 | Good |
| FM over Lost Creek | 1953 | 1,310 | Poor |
| Ia 16 over Branch Sugar Creek | 1987 | 1,220 | Good |
| Cnty.clb.rd over Fork Creek | 1984 | 1,088 | Fair |
| Cnty.clb.rd over Penitentiary Creek | 1985 | 1,088 | Fair |
| River Rd over Jack Creek | 1992 | 1,010 | Fair |
| FM over Sugar Creek | 1963 | 920 | Fair |
| 14TH St over French Creek | 1962 | 899 | Poor |
| X-28 & Middle R over Mississippi Slough | 1957 | 832 | Poor |
| Ia 16 over Little Cedar Creek | 1966 | 830 | Fair |
| Ia 16 over Little Cedar Creek | 1989 | 830 | Good |
| Middle Rd over Prices Creek | 1977 | 820 | Fair |
| Twin Rivers Rd over over BNSF RR | 1994 | 820 | Good |
| Ave G over French Creek | 1962 | 800 | Poor |
| FM over Skunk River | 1984 | 750 | Fair |
| Ave I over Dry Creek | 2019 | 724 | Good |
| FM over Small | 1989 | 680 | Good |
| River Rd over Prices Creek | 1983 | 680 | Fair |
| Hilton Rd over Soap Creek | 1933 | 660 | Fair |
| FM over Lost Creek | 2000 | 650 | Good |
| FM over Mud Creek | 1965 | 650 | Fair |
| FM over Small Stream | 1950 | 650 | Fair |
| FM over Sugar Creek | 1976 | 650 | Poor |
| FM over Sugar Creek | 1967 | 600 | Fair |
| FM over Small Stream | 1990 | 590 | Good |
| Ave F over French Creek | 2023 | 562 | Good |
| Local over Creek | 1961 | 530 | Fair |
| FM over Creek | 1963 | 470 | Fair |
| So 10TH St over Soap Creek | 1982 | 460 | Fair |
| X38 Perkins Rd over Skunk River | 2011 | 460 | Good |
| Co Rd J50 over US 61 | 2011 | 450 | Good |
| FM over Lost Creek | 1970 | 450 | Fair |
| Local over Little Sugar Creek | 1974 | 440 | Fair |
| FM over Sugar Creek | 2008 | 420 | Good |
| Co Rd X 38 over US 61 | 2009 | 410 | Good |
| FM over Mud Creek | 1972 | 410 | Fair |
| FM over Sugar Creek | 2001 | 400 | Good |
| Ave D over French Creek | 2014 | 389 | Good |
| FM over Bonnell Creek | 1949 | 370 | Poor |
| FM over Lamalees Creek | 1996 | 370 | Good |
| FM over Solferino Creek | 1978 | 370 | Good |
| FM over Sugar Creek | 1985 | 370 | Good |
| FM over Lost Creek | 1970 | 360 | Fair |
| FM over Sugar Creek | 1968 | 340 | Poor |
| FM over Creek | 1958 | 330 | Fair |
| 3RD St over Fork Creek | 1960 | 326 | Poor |
| FM over Hog Thief Hollow | 1958 | 280 | Fair |
| FM over Sugar Creek | 1954 | 270 | Fair |
| FM over Drainage Ditch | 1961 | 260 | Fair |
| FM over Devil Creek | 1948 | 250 | Poor |
| FM over Creek | 1992 | 200 | Good |
| FM over Lick Creek | 2008 | 200 | Good |
| Local Secondary over Sugar Creek | 1992 | 181 | Good |
| FM over Small Stream | 1958 | 180 | Fair |
| FM over Creek | 2003 | 170 | Good |
| FM over Creek | 1958 | 150 | Fair |
| FM over Sugar Creek Little | 1994 | 150 | Good |
| Local over Lamalees Creek | 1957 | 150 | Poor |
| Local over Lamalees Creek | 1996 | 150 | Good |
| Local over Lost Creek | 1995 | 150 | Good |
| Local Road over Creek | 1997 | 131 | Good |
| Local over Lost Creek | 1993 | 131 | Good |
| Local over Stream | 1974 | 131 | Fair |
| Local over Sugar Creek | 1978 | 131 | Good |
| FM over Hog Thief Hollow | 1991 | 130 | Good |
| 210TH Street over US 218 | 2001 | 124 | Good |
| FM over Lost Creek | 1949 | 120 | Fair |
| FM over Pitman Creek | 1975 | 120 | Poor |
| Local over Sugar Creek | 1985 | 120 | Fair |
| Local over Sugar Creek West Branch | 1959 | 120 | Fair |
| FM over Drainage Ditch | 1964 | 100 | Fair |
| Local Co Road over Little Sugar Creek | 1999 | 100 | Good |
| Local over Hog Thief Hollow | 1977 | 100 | Fair |
| Local over Lost Creek | 1978 | 100 | Fair |
| Local over Unnamed Stream | 2007 | 100 | Good |
| 190TH St over Mud Creek | 2021 | 90 | Good |
| 265TH Ave over Creek | 1934 | 90 | Poor |
| FM over Barlene Creek | 1975 | 90 | Fair |
| FM over Lick Creek | 1991 | 90 | Good |
| FM over Monk Creek | 1934 | 90 | Poor |
| FM over Small Stream | 1949 | 90 | Fair |
| Local over Sugar Creek | 1977 | 90 | Fair |
| FM over Devil Creek | 1955 | 80 | Fair |
| FM over Grape Creek | 1948 | 80 | Fair |
| FM over Jack Creek | 1993 | 80 | Good |
| FM over Sugar Creek | 1952 | 80 | Fair |
| FM over Sugar Creek | 2003 | 80 | Good |
| FM over Sugar Creek | 1957 | 80 | Fair |
| Local over Creek | 1994 | 80 | Good |
| Local over Creek | 1950 | 80 | Fair |
| Local over Sugar CR | 1963 | 80 | Poor |
| Wirtz Lane over Prices Creek | 2007 | 80 | Good |
| Henry Lee Street over Little Cedar Creek | 2021 | 71 | Good |
| Local over Hell Hollow Creek | 1958 | 71 | Poor |
| Local over Lost Creek | 1975 | 71 | Fair |
| FM over Sugar Creek | 1951 | 70 | Fair |
| Old Ia 289 over over BNSF RR | 1958 | 70 | Fair |
| 240TH Ave over Creek | 2004 | 60 | Good |
| Abel Road over Sugar Creek | 2019 | 60 | Good |
| FM over Creek | 1975 | 60 | Poor |
| FM over Deeds Creek | 1986 | 60 | Good |
| FM over Grants Creek | 2009 | 60 | Good |
| FM over Lamalees Creek | 1950 | 60 | Fair |
| FM over Little Cedar Creek | 1972 | 60 | Good |
| FM over Lost Creek | 1975 | 60 | Fair |
| FM over Painter Creek | 1987 | 60 | Good |
| FM over Small | 1980 | 60 | Fair |
| Local over Sugar Creek | 1996 | 60 | Good |
| 212 Ave over Sugar Creek | 2011 | 50 | Good |
| 220TH St over US 61 | 2011 | 50 | Good |
| Local Secondary over Little Sugar Creek | 2005 | 50 | Good |
| Local over Sugar Creek | 1974 | 50 | Fair |
| Local over Sugar Creek | 1952 | 50 | Fair |
| FM over Devil Creek | 1944 | 45 | Fair |
| FM over Painter Creek | 1948 | 45 | Fair |
| 110TH St over Sugar Creek | 2007 | 40 | Good |
| 150TH Ave over Sugar Creek | 1962 | 40 | Fair |
| Local over Small | 1930 | 40 | Fair |
| Local over Small Stream | 1977 | 40 | Fair |
| Local over Sugar Creek | 1999 | 40 | Good |
| Local over West Branch | 1996 | 40 | Good |
| Lost Creek Rd over Lost Creek | 2016 | 40 | Good |
| FM over Creek | 2005 | 35 | Good |
| FM over Sugar Creek | 1951 | 35 | Fair |
| Local over Bonnell Creek | 1978 | 34 | Fair |
| Local over Creek | 1975 | 34 | Fair |
| 110TH St over Prairie Creek | 1976 | 30 | Fair |
| FM over Sugar Creek | 1949 | 30 | Poor |
| Local Secondary over West Branch Sugar Creek | 1934 | 30 | Poor |
| Local over Little Sugar Creek | 2004 | 30 | Good |
| Local over Picayune Creek | 1934 | 30 | Poor |
| Local over Sugar Creek | 1929 | 30 | Poor |
| Local over Sutton Creek | 1977 | 30 | Fair |
| 160TH Ave over Tributary to Sugar Creek | 2024 | 26 | Good |
| Local over Big Sugar Creek | 1987 | 26 | Good |
| Local over Little Cedar Creek | 1974 | 26 | Fair |
| Local over Little Sugar Creek | 1977 | 26 | Fair |
| FM over Sugar Creek | 1974 | 25 | Fair |
| FM over Sugar Creek | 2002 | 25 | Good |
| 140TH Avenue over Little Sugar Creek | 2023 | 20 | Good |
| 170TH Ave over Creek | 2018 | 20 | Good |
| Local Secondary over Little Sugar Creek | 1900 | 20 | Poor |
| Local over Sugar Creek | 1994 | 20 | Good |
| Local over Sugar Creek Branch | 1949 | 20 | Fair |
| Local over Branch of Sugar Creek | 1940 | 16 | Poor |
| 172ND Ave over Creek | 2015 | 15 | Good |
| Local Road over Creek | 1977 | 15 | Poor |
| Local Secondary over Sugar Creek | 1976 | 15 | Poor |
| Local Secondary over Sugar Creek | 1918 | 11 | Poor |
| Local over Jack Creek | 1928 | 11 | Fair |
| Local over Stream | 1900 | 11 | Poor |
| Local over Sugar Creek | 1978 | 11 | Poor |
| Shimek St Forest over Stream | 1997 | – | Good |
| Shimek St Forest over Stream | 1997 | – | Good |