| 5th AVE over Drainage Ditch | Poor | 73.2 ft | 8,894 | 1955 |
| N 15th ST over Soldier Creek | Poor | 294.9 ft | 8,798 | 1974 |
| E Hawkeye AVE over Des Moines River | Poor | 436.0 ft | 6,875 | 1987 |
| North 3rd ST over Soldier Creek & Trail | Poor | 918.0 ft | 5,768 | 1961 |
| N 7th ST over Soldier Creek | Poor | 174.9 ft | 5,546 | 1995 |
| US 169 over Bass Creek | Poor | 111.9 ft | 4,680 | 1958 |
| FM over Soldier CR (dd No 247) | Poor | 103.0 ft | 2,364 | 1974 |
| FM over Dd No 247 | Poor | 78.1 ft | 2,284 | 1974 |
| FM over Drainage | Poor | 33.1 ft | 1,795 | 1977 |
| FM over Hardin Creek | Poor | 78.1 ft | 1,446 | 1973 |
| FM over Dd | Poor | 78.1 ft | 1,446 | 1973 |
| FM over Dd | Poor | 78.1 ft | 1,287 | 1973 |
| Co P-73 over Des Moines River | Poor | 417.0 ft | 1,263 | 1960 |
| FM over Dd Dist 57 | Poor | 33.1 ft | 1,197 | 1978 |
| FM over Lizard Creek | Poor | 128.0 ft | 1,157 | 1974 |
| Ia 175 over Drainage Ditch #52 | Poor | 32.2 ft | 880 | 1953 |
| Soldier CR DR over Soldier Creek | Poor | 90.9 ft | 790 | 1999 |
| FM over Stream-d.d.196 | Poor | 32.2 ft | 748 | 1900 |
| FM over Drainage | Poor | 33.1 ft | 628 | 1973 |
| FM over Dd No 4 | Poor | 78.1 ft | 559 | 1974 |
| FM over Lizard Creek | Poor | 200.1 ft | 549 | 1965 |
| FM over Lizard Creek | Poor | 200.1 ft | 549 | 1965 |
| FM over Deer Creek | Poor | 77.1 ft | 379 | 1968 |
| FM over Drainage | Poor | 33.1 ft | 359 | 1977 |
| FM over Dd No 69 | Poor | 103.0 ft | 339 | 1974 |
| FM over Praire Creek | Poor | 90.9 ft | 319 | 1996 |
| FM over Dd No 70 | Poor | 78.1 ft | 240 | 1974 |
| FM over South Lizard Creek | Poor | 128.0 ft | 230 | 1975 |
| Local over South Lizard Creek | Poor | 127.0 ft | 81 | 1956 |
| Local over Deer Creek | Poor | 41.0 ft | 81 | 1925 |
| Local RD over Skillet Creek | Poor | 62.0 ft | 50 | 1982 |
| Local over Knack Creek | Poor | 35.1 ft | 46 | 1915 |
| Local over Skillet Creek | Poor | 22.0 ft | 46 | 1919 |
| Local over Dd | Poor | 44.0 ft | 46 | 1976 |
| Local over Deer Creek | Poor | 39.0 ft | 45 | 1925 |
| Local over Fulton Twp | Poor | 24.9 ft | 35 | 1956 |
| Local over Deer Creek | Poor | 25.9 ft | 35 | 1900 |
| 4th AVE SE over Skillet Creek | Poor | 39.0 ft | 34 | 1900 |
| FM over Drainage Ditch No 69 | Poor | 58.1 ft | 34 | 1981 |
| FM over Brushy Creek | Poor | 21.0 ft | 30 | 1900 |
| Local over Drainage Ditch No. 3 | Poor | 22.0 ft | 30 | 1913 |
| Local over Small Stream | Poor | 24.0 ft | 30 | 1990 |
| Local over Buttrick Creek | Poor | 35.1 ft | 26 | 1913 |
| Local over Dd | Poor | 24.9 ft | 15 | 1960 |
| Local over Dd | Poor | 33.1 ft | 15 | 1976 |
| FM over Drainage Ditch No 3 | Poor | 95.1 ft | 15 | 1980 |
| Local over Lizard Creek | Poor | 140.1 ft | 15 | 1962 |
| Carter AVE over Dd | Poor | 24.9 ft | 11 | 1959 |
| 1st AVE S over 21st ST & Rr | Fair | 1044.0 ft | 9,860 | 1968 |
| US 169 over Deer Creek | Fair | 145.0 ft | 4,680 | 1958 |
| EB US 20 over Des Moines River | Fair | 675.9 ft | 4,300 | 1990 |
| WB US 20 over Des Moines River | Fair | 675.9 ft | 4,300 | 1990 |
| SB US 169 over 2nd AVE S | Fair | 262.5 ft | 3,550 | 2010 |
| US 169 over Drainage Ditch #96 | Fair | 92.8 ft | 3,470 | 1973 |
| Kenyon RD SB over Dm River & B AVE | Fair | 562.0 ft | 3,300 | 1935 |
| US 20 EB over SR D20 & Up Rr | Fair | 410.1 ft | 3,300 | 1990 |
| Kenyon RD SB over Cn Rr And 7th Street | Fair | 742.1 ft | 3,159 | 1936 |
| 170th ST over Des Moines River | Fair | 585.0 ft | 3,132 | 1979 |
| Kenyon RD NB over Dm River & B AVE | Fair | 561.0 ft | 3,109 | 1977 |
| Kenyon RD NB over Cn Rr And 7th ST | Fair | 742.1 ft | 3,109 | 1977 |
| 2nd AVE S over Des Moines River | Fair | 1209.0 ft | 3,050 | 1959 |
| 2nd AVE S over Cn Rr & Meriweather DR | Fair | 660.1 ft | 3,050 | 1959 |
| Ia 7 over South Br Lizard Creek | Fair | 132.9 ft | 2,560 | 1974 |
| EB US 20 over US 169 | Fair | 235.9 ft | 2,550 | 1990 |
| D20 200th ST over Brushy Creek | Fair | 103.0 ft | 2,453 | 1979 |
| D20 200th ST over Brushy Creek | Fair | 21.0 ft | 2,384 | 1977 |
| FM over Badger Creek | Fair | 28.9 ft | 2,035 | 1993 |
| Williams Drive over Soldier Creek | Fair | 61.0 ft | 1,809 | 1955 |
| D 36 over Spring Creek | Fair | 21.0 ft | 1,547 | 1984 |
| HWY 20 over Drainage Ditch | Fair | 98.1 ft | 1,482 | 1984 |
| FM over Badger Creek | Fair | 78.1 ft | 1,257 | 1977 |
| 290th ST over S.br.crooked Creek | Fair | 44.9 ft | 1,147 | 1950 |
| FM over Drainage Ditch No 4 | Fair | 78.1 ft | 878 | 1975 |
| FM over Drainage Ditch No 4 | Fair | 78.1 ft | 878 | 1975 |
| FM over Dd No 57 | Fair | 78.1 ft | 828 | 1974 |
| Ia 175 over Des Moines River | Fair | 699.1 ft | 730 | 1948 |
| Ia 144 over East Buttrick Creek | Fair | 54.1 ft | 670 | 1955 |
| FM over D D | Fair | 78.1 ft | 578 | 1975 |
| FM over Drainage Ditch 69 | Fair | 32.2 ft | 578 | 1973 |
| FM over Holiday Creek | Fair | 24.0 ft | 538 | 1974 |
| 290th ST over Crooked Creek | Fair | 44.9 ft | 499 | 1950 |
| FM over Drainage Ditch No 3 | Fair | 78.1 ft | 489 | 1976 |
| FM over North Lizard Creek | Fair | 174.9 ft | 489 | 1960 |
| FM over Badger Creek | Fair | 52.2 ft | 459 | 1965 |
| FM over Drainage Ditch No 96 | Fair | 78.1 ft | 429 | 1976 |
| FM over Drainage | Fair | 33.1 ft | 359 | 1977 |
| FM over Dd No 69 | Fair | 78.1 ft | 339 | 1974 |
| First AVE SW over Skillet Creek | Fair | 24.9 ft | 313 | 1965 |
| FM over Dd No 5 | Fair | 78.1 ft | 230 | 1974 |
| FM over Small Stream | Fair | 26.9 ft | 199 | 1965 |
| FM over Bass Creek | Fair | 44.0 ft | 150 | 1979 |
| FM over Buttrick Creek | Fair | 44.0 ft | 60 | 1978 |
| FM over Drain Ditch No 96 | Fair | 78.1 ft | 50 | 1981 |
| FM over Deer Creek | Fair | 36.1 ft | 50 | 1946 |
| Local over Buttrick Creek | Fair | 26.9 ft | 35 | 1993 |
| Local over Lizard Creek | Fair | 174.9 ft | 35 | 1967 |
| Local over Stream | Fair | 24.0 ft | 30 | 1997 |
| FM over Bradys Creek | Fair | 69.9 ft | 30 | 1979 |
| Local over Soldier Creek | Fair | 44.0 ft | 30 | 1979 |
| FM over Drainage Ditch No.4 | Fair | 36.1 ft | 26 | 1987 |
| FM over Lizard Creek | Fair | 151.9 ft | 20 | 1971 |
| Local over Buttrick Creek | Fair | 77.1 ft | 15 | 1970 |
| Local over Buttrick Creek | Fair | 60.0 ft | 11 | 1990 |
| US 20 over Holliday Creek | Good | 24.0 ft | 9,800 | 1986 |
| US 20 over Drainage Ditch #4 | Good | 29.9 ft | 9,500 | 1986 |
| US 20 over Drainage Ditch 69 | Good | 25.9 ft | 7,900 | 2011 |
| Quail AVE over Quarry Haul RD | Good | 123.0 ft | 7,579 | 2010 |
| P59 (quail Ave) over US 20 | Good | 353.0 ft | 5,485 | 1990 |
| US 169 over Stream | Good | 37.1 ft | 5,100 | 1959 |
| EB US 20 over Brushy Creek | Good | 118.1 ft | 4,900 | 1986 |
| WB US 20 over Brushy Creek | Good | 118.1 ft | 4,900 | 1986 |
| Ia 7 over Lizard Creek | Good | 277.9 ft | 4,810 | 1974 |
| SB US 169 over Cc Rr | Good | 216.9 ft | 4,450 | 2011 |
| SB US 169 over Lizard Creek | Good | 459.0 ft | 4,450 | 2011 |
| NB US 169 over Cc Rr | Good | 216.9 ft | 4,400 | 2010 |
| NB US 169 over Lizard Creek | Good | 459.0 ft | 4,400 | 2010 |
| NB US 169 over 2nd AVE S | Good | 262.5 ft | 3,550 | 2010 |
| US 20 WB over D 20 & Up Rr | Good | 410.8 ft | 3,300 | 2008 |
| Co RD D 36 over US 20 | Good | 241.1 ft | 3,171 | 2010 |
| Phinney Park DR over Lizard Creek | Good | 230.0 ft | 3,164 | 2002 |
| WB US 20 over US 169 | Good | 235.9 ft | 2,550 | 1990 |
| Gypsum Hollow RD over Cc Rr | Good | 153.9 ft | 2,384 | 2005 |
| FM over Des Moines River | Good | 407.2 ft | 2,234 | 1995 |
| 15th AVE S over Dd #1 | Good | 79.1 ft | 1,875 | 2018 |
| Ia 175 over Skillet Creek | Good | 24.9 ft | 1,800 | 1966 |
| Paragon AVE over Gypsum Mine Haul RD | Good | 109.9 ft | 1,760 | 2017 |
| FM over Des Moines River | Good | 476.0 ft | 1,746 | 1995 |
| FM over Dd #5 | Good | 23.0 ft | 1,277 | 1995 |
| Ia 175 over Skillet Creek | Good | 21.7 ft | 1,100 | 2018 |
| N 1st ST over Soldier Creek | Good | 83.0 ft | 961 | 2019 |
| Ia 175 over West Buttrick Creek | Good | 27.9 ft | 880 | 2018 |
| FM over Prairie Creek | Good | 25.9 ft | 880 | 2009 |
| FM over Brushsy Creek | Good | 153.9 ft | 748 | 2004 |
| Co RD over Crooked Creek | Good | 112.9 ft | 640 | 2007 |
| D60 350th ST over Buttrick Creek | Good | 25.9 ft | 559 | 2021 |
| FM over North Lizard Creek | Good | 153.9 ft | 549 | 1997 |
| FM over Lizard Creek | Good | 152.9 ft | 549 | 2004 |
| 290th ST over Brushy Creek | Good | 189.0 ft | 409 | 2000 |
| Park Entrance over Drainage | Good | 38.1 ft | 257 | 2011 |
| FM over Des Moines River | Good | 654.9 ft | 199 | 2002 |
| Ent RD over Brushy Creek | Good | 78.1 ft | 159 | 1993 |
| Local over Deer Creek | Good | 134.8 ft | 159 | 2009 |
| Local over Brushy Creek Spillway | Good | 185.0 ft | 159 | 1998 |
| Local over Drainage Ditch #34 | Good | 30.8 ft | 123 | 2001 |
| 3rd AVE SW over Skillet Creek | Good | 75.1 ft | 120 | 2005 |
| P33 George AVE over Spring Creek | Good | 29.9 ft | 90 | 2019 |
| 380th ST over Buttrick Creek | Good | 28.9 ft | 81 | 2014 |
| Osceola AVE over Prairie Creek | Good | 35.1 ft | 80 | 2019 |
| Dakota AVE over Buttrick Creek | Good | 103.0 ft | 72 | 2011 |
| Local over Spring Creek | Good | 78.1 ft | 72 | 1996 |
| Local over Lizard Creek | Good | 112.9 ft | 72 | 2001 |
| Local over Dd | Good | 83.0 ft | 72 | 2011 |
| Local over Boone River | Good | 262.1 ft | 71 | 1992 |
| Hayes AVE over South Lizard Creek | Good | 128.0 ft | 71 | 2005 |
| Fairbanks AVE over Lizard Creek | Good | 73.2 ft | 71 | 2016 |
| 240th ST over Dd | Good | 28.9 ft | 70 | 2013 |
| FM over North Lizard Creek | Good | 152.9 ft | 60 | 1995 |
| Skillet Creek AVE over Skillet Creek | Good | 78.1 ft | 50 | 1999 |
| Local over Skillet Creek | Good | 87.9 ft | 50 | 1994 |
| Eastern AVE over Buttrick Creek | Good | 33.1 ft | 50 | 2000 |
| D68 390th ST over Buttrick Creek | Good | 92.8 ft | 50 | 2015 |
| 220th ST over Dd | Good | 103.0 ft | 50 | 2019 |
| Local over Thistle Creek | Good | 68.9 ft | 50 | 1980 |
| Johnson AVE over Buttrick Creek | Good | 26.9 ft | 46 | 2009 |
| Local over Brushy Creek | Good | 115.2 ft | 46 | 1989 |
| Local over Brushy Creek | Good | 116.1 ft | 46 | 2002 |
| Local over Dd | Good | 29.9 ft | 46 | 1997 |
| 160th ST over Soldier Creek | Good | 103.0 ft | 46 | 2016 |
| Local over Badger Creek | Good | 33.1 ft | 46 | 2001 |
| 340th ST over Buttrick Creek | Good | 29.9 ft | 41 | 2021 |
| Racine AVE over Crooked Creek | Good | 87.9 ft | 41 | 2000 |
| 300th ST over Hardin Creek | Good | 28.9 ft | 41 | 2013 |
| Local over Lizard Creek | Good | 142.1 ft | 41 | 2004 |
| FM over Drainage Ditch No 4 | Good | 103.0 ft | 40 | 2007 |
| FM over Lizard Creek | Good | 206.0 ft | 40 | 2003 |
| Local over Bass Creek | Good | 24.0 ft | 35 | 1998 |
| Local over Deer Creek | Good | 26.9 ft | 35 | 1996 |
| 160th ST over Lizard Creek | Good | 143.0 ft | 34 | 2011 |
| Local over Buttrick Creek | Good | 33.1 ft | 30 | 1997 |
| Local over Crooked Creek | Good | 24.0 ft | 30 | 2009 |
| FM over Holiday Creek | Good | 33.1 ft | 30 | 2000 |
| 170th ST over Lizard Creek | Good | 150.9 ft | 30 | 2021 |
| FM over North Lizard Creek | Good | 152.9 ft | 30 | 1998 |
| Local over Lizard Creek | Good | 153.9 ft | 30 | 2004 |
| Baxter AVE over South Lizard Creek | Good | 103.0 ft | 26 | 2012 |
| Local over Lizard Creek | Good | 116.1 ft | 26 | 1988 |
| Local over Deer Creek | Good | 29.9 ft | 26 | 1998 |
| Fm(to State) over Lizard Creek | Good | 180.1 ft | 21 | 2010 |
| Local over Lizard Creek | Good | 167.0 ft | 21 | 1998 |
| FM over Deer Creek | Good | 78.1 ft | 20 | 2008 |