| I 80 EB over Iowa River | 1960 | 32,900 | Good |
| US 218 over Deer Creek | 1970 | 32,400 | Good |
| I 80 WB over Iowa River | 1960 | 32,050 | Good |
| EB I-80 over over US 6 & Iais RR | 1995 | 31,000 | Fair |
| I 80 WB over over US 6 & Iais RR | 1992 | 31,000 | Fair |
| EB I-80 over Cic Railway | 1963 | 30,600 | Fair |
| WB I-80 over Cic Railway | 1963 | 30,600 | Fair |
| I 380 NB over W-60 & Cric RR | 1971 | 27,900 | Fair |
| I 380 SB over W-60 & Cic RR | 1972 | 27,900 | Fair |
| US 6 over Iowa River | 1957 | 27,600 | Fair |
| US 6 over Ralston Creek | 1957 | 27,600 | Fair |
| NB I-380 over Iowa River | 1972 | 27,200 | Fair |
| SB I-380 over Iowa River | 1972 | 27,200 | Fair |
| US 6 over Clear Creek | 1998 | 27,200 | Good |
| I 380 NB over Iais RR | 2021 | 26,550 | Good |
| I 380 NB over US 6 | 2021 | 26,550 | Good |
| I 380 SB over Iais RR | 2022 | 26,550 | Good |
| I 380 SB over US 6 | 2022 | 26,550 | Good |
| EB I-80 over Ia 965/CORAL Ridge Ave | 1963 | 25,850 | Fair |
| I 80 WB over Ia 965/CORAL Ridge Ave | 1963 | 25,150 | Fair |
| 1ST Ave over Clear Creek | 1969 | 23,500 | Good |
| Ia 1 over Drainage Ditch | 1949 | 19,000 | Fair |
| I 380 NB over Clear Creek | 2021 | 18,000 | Good |
| I 380 SB over Clear Creek | 2022 | 18,000 | Good |
| I 80 EB over W38 (black Hawk Ave) | 1964 | 16,250 | Fair |
| WB I-80 over W38 (black Hawk Ave) | 1964 | 15,950 | Fair |
| 1ST Ave over Ralston Creek S. Branch | 1997 | 14,992 | Good |
| I380 SB to I80 EB over Clear Creek | 2022 | 14,400 | Good |
| I380 SB to I80 EB over I 80 Ramps E & G | 2022 | 14,400 | Good |
| Benton St over Iowa River | 1990 | 14,383 | Fair |
| Gilbert St over Ralston Creek | 1972 | 14,025 | Poor |
| I 80 EB over Clear Creek | 2023 | 13,800 | Good |
| I 80 EB over I 80 WB to US 218 SB | 2023 | 13,800 | Good |
| I80 WB to I380 NB over Clear Creek | 2021 | 13,800 | Good |
| Ia 1 over Ralston Creek | 1932 | 13,500 | Fair |
| I 80 WB over Clear Creek | 2022 | 13,450 | Good |
| I 80 WB over I 80 WB to US 218 SB | 2022 | 13,450 | Good |
| Mormon Trk Blvd over Willow Creek | 1971 | 12,954 | Fair |
| Park Rd over Iowa River | 2018 | 12,300 | Good |
| Melrose Ave over Iais RR | 1997 | 12,001 | Fair |
| SB US 218 over Melrose Av | 1983 | 11,650 | Fair |
| NB US 218 over Melrose Ave | 1983 | 11,400 | Good |
| US 6 over Drainage | 1948 | 11,400 | Fair |
| Ia 1 NB over Iowa River | 1915 | 10,950 | Poor |
| Ia 1 SB over Iowa River | 1969 | 10,950 | Good |
| US 6 over Stream | 1960 | 10,500 | Good |
| SB US 218 over Old Man Creek Overflow | 1983 | 10,450 | Good |
| NB US 218 over Old Man Creek Overflow | 1983 | 10,250 | Fair |
| 12TH Ave over I-80 | 1962 | 10,192 | Fair |
| Mormon Trk Blvd over Willow Creek | 2000 | 10,001 | Good |
| SB US 218 over Crooked Creek | 1982 | 9,850 | Fair |
| SB US 218 over Old Man Creek | 1982 | 9,850 | Good |
| US 218 Ia 27 SB over I380 SB to I80 EB Ramp F | 2021 | 9,850 | Good |
| Camp Cardinal R over Clear Creek | 1984 | 9,800 | Good |
| Ia 1 over Rapid Creek | 1967 | 9,800 | Fair |
| I 380 NB over I 80 | 2021 | 9,650 | Good |
| I 380 NB over I 80 WB Ramps | 2021 | 9,650 | Good |
| I 380 SB over I 80 WB Ramps | 2021 | 9,650 | Good |
| NB US 218 over Crooked Creek | 1982 | 9,650 | Good |
| NB US 218 over Old Man Creek | 1982 | 9,650 | Good |
| US 218 Ia 27 NB over I380 SB to I80 EB Ramp F | 2021 | 9,650 | Good |
| Muscatine Ave over Ralston Ck S Branch | 1972 | 9,524 | Fair |
| Ia 1 NB over I-80 | 1962 | 9,350 | Good |
| Ia 1 SB over I-80 | 1962 | 9,350 | Good |
| 1ST Ave NB over I 80 | 2023 | 9,000 | Good |
| FM F-28 over I-380 | 1970 | 8,900 | Fair |
| F44 Herbert Hoover over I 80 | 2021 | 8,800 | Good |
| SB US 218 over F50 (oak Crest Hill Rd) | 1983 | 8,700 | Fair |
| Ireland Avenue over Clear Creek | 1973 | 8,339 | Good |
| NB US 218 over F50 (oak Crest Hill Rd) | 1983 | 8,150 | Good |
| Front St over Muddy Creek | 2002 | 7,700 | Fair |
| NB Ia 1 over US 218 | 1983 | 7,650 | Good |
| SB Ia 1 over US 218 | 1983 | 7,650 | Fair |
| Muscatine Ave over Ralston Creek | 1979 | 7,256 | Fair |
| 1ST Ave over Ralston Creek N. Branch | 1984 | 7,143 | Fair |
| Dubuque St over Iowa River | 1991 | 6,900 | Fair |
| FM F-12 over I-380 & US 218 | 1972 | 6,800 | Good |
| I80 EB to US218 SB over I80 WB to US 218 SB | 2020 | 6,700 | Good |
| Rochester Ave over Ralston Creek | 2014 | 6,667 | Good |
| 1ST Avenue over Muddy Creek | 1988 | 6,625 | Good |
| Ia 1 over Stream | 2020 | 6,300 | Good |
| W Benton St over Willow Creek | 1971 | 6,100 | Fair |
| Ia 1 over Mill Creek | 1985 | 6,000 | Fair |
| Ia 1 over Unnamed Stream | 2014 | 6,000 | Good |
| Mccollister Blv over Iowa River | 2009 | 6,000 | Good |
| Oakdale Blvd over Muddy Creek | 1996 | 5,803 | Good |
| Iowa Ave over Iowa River | 1916 | 5,400 | Poor |
| US 6 over Snyder Creek | 1957 | 5,400 | Fair |
| US 6 over Buffalo Creek | 1961 | 5,300 | Fair |
| US 6 over Drainage Ditch | 1953 | 5,300 | Fair |
| US 6 over Pig Run Creek | 1923 | 5,300 | Fair |
| US 6 over Stream | 1953 | 5,300 | Fair |
| US 6 over Stream | 1923 | 5,300 | Fair |
| Morman Trek Blv over Willow Creek | 2005 | 5,200 | Good |
| Holiday Rd over over Cic RR | 1979 | 5,126 | Fair |
| F28 Mehaffey Br Rd over Iowa River | 2015 | 5,100 | Good |
| Ia 1 over Old Mans Creek | 2020 | 4,890 | Good |
| Ia 1 over Old Mans Crk E Overflow | 2020 | 4,890 | Good |
| Ia 1 over Old Mans Crk E Ovrflw | 2020 | 4,890 | Good |
| Ia 1 over Old Womans Creek | 2020 | 4,890 | Good |
| Ia 1 over Stream | 2020 | 4,890 | Good |
| Scott Blvd over Ralston Creek N. Branch | 2003 | 4,858 | Good |
| US218 NB to I80 EB over Clear Creek | 2021 | 4,830 | Good |
| Kirkwood Ave over Ralston Creek | 1935 | 4,693 | Poor |
| Dodge St over over Iais RR | 1970 | 4,688 | Poor |
| FM over I-80 | 1963 | 4,676 | Fair |
| Summit St over over Iais RR | 1999 | 4,651 | Good |
| Rohret Rd over US 218 | 1983 | 4,601 | Fair |
| Prairieduchien Rd over I 80 | 1962 | 4,310 | Fair |
| Zeller Street over Muddy Creek | 1999 | 4,290 | Fair |
| Hwy 965 over Iowa River | 1956 | 4,280 | Good |
| Ia 22 over Iowa River | 1987 | 4,250 | Good |
| Oakdale Blvd over Muddy Creek | 2009 | 4,020 | Good |
| Oakdale Blvd over Muddy Creek | 2012 | 4,020 | Good |
| FM Ely Rd over Lingle Creek | 1955 | 3,930 | Fair |
| I80 EB to US218 SB over Land | 2020 | 3,910 | Good |
| Hwy 382 over Small Natural Stream | 1962 | 3,810 | Fair |
| Hwy 382 over Small Natural Stream | 1958 | 3,810 | Fair |
| NB Dubuque St over I 80 | 1963 | 3,750 | Fair |
| FM Mahaffy Br R over Stream | 2000 | 3,730 | Fair |
| SB Ia 1 over Ralston Creek | 1953 | 3,650 | Fair |
| F44 Hoover Hwy NE over Br Wapsinonoc Creek | 2022 | 3,390 | Good |
| FM Sand Rd over Stream | 1976 | 3,330 | Fair |
| Ia 1 NB over Ralston Creek | 2019 | 2,850 | Good |
| I80 EB to I380 NB over I 80/US 218/IA 27 | 2020 | 2,800 | Good |
| SB Dubuque St over I 80 | 1963 | 2,750 | Fair |
| FM Sand Rd over Snyder Creek | 1964 | 2,620 | Fair |
| FM Sand Rd over Stream | 2005 | 2,620 | Good |
| Washington St over Ralston Creek | 1910 | 2,487 | Poor |
| Riverside Dr over 218 RR and Riverside Dr | 2006 | 2,410 | Good |
| Johnson St over Ralston Creek | 1930 | 2,356 | Poor |
| US218NB to I80 WB over I 80 Ramps F & G | 2023 | 2,340 | Good |
| Evans St over Ralston Creek | 1911 | 2,176 | Poor |
| Sheridan Ave over Ralston Creek S Branch | 1957 | 2,105 | Fair |
| FM 520TH St over Iowa River | 1971 | 2,060 | Poor |
| S Riverside Dr over Willow Creek | 1971 | 2,048 | Good |
| Forevergreen Rd over I 380 | 2017 | 2,027 | Good |
| FM Utah Ave over Stream | 1998 | 2,020 | Good |
| FM James Ave over Buffalo Creek | 1960 | 1,990 | Fair |
| FM Prare Du Chn over Rapid Creek | 1975 | 1,970 | Fair |
| College St over Ralston Creek | 1971 | 1,940 | Fair |
| Jefferson St over Ralston Creek | 1958 | 1,802 | Fair |
| Oakcresthill Rd over Drainage Ditch | 2003 | 1,670 | Fair |
| Prentiss St over Ralston Creek | 2020 | 1,664 | Good |
| FM 120TH St over Br Plum CR | 1989 | 1,630 | Fair |
| Observatory Ave over US 218 | 1980 | 1,580 | Fair |
| Oakcresthill Rd over Drainage Ditch | 2011 | 1,530 | Good |
| Oakcresthill Rd over Drainage Ditch | 2018 | 1,530 | Good |
| Oakcresthill Rd over Old Man Creek | 2005 | 1,530 | Good |
| FM 120TH St over Hoosier Creek | 1900 | 1,500 | Fair |
| FM Am Legion Rd over Snyder Creek | 1978 | 1,480 | Fair |
| Golfview Drive over Muddy Creek | 2012 | 1,480 | Fair |
| N Augusta Ave over Hurtzell Run Creek | 1973 | 1,478 | Fair |
| FM SW Blk Hwk D over N Br Old Mans CR | 2000 | 1,450 | Fair |
| FM SW Blk Hwk D over N Br Old Mans CR | 2000 | 1,450 | Good |
| Woolf Ave over US 6 & RR | 1998 | 1,400 | Fair |
| Deer Ck Rd over Deer Creek | 1972 | 1,363 | Fair |
| Deer Creek Rd over Stream | 1972 | 1,267 | Fair |
| NW 120TH St over Stream | 1966 | 1,250 | Fair |
| FM Morse Rd over Rapid CR | 1930 | 1,220 | Fair |
| FM Sand Rd SE over Buck Creek | 1964 | 1,210 | Fair |
| FM Sand Rd over Pechman Creek | 1976 | 1,210 | Fair |
| Fm-blackhawk Av over Clear Creek | 1995 | 1,200 | Fair |
| Swisherview Dr. over Small Stream | 1900 | 1,168 | Good |
| FM SW Wapello A over Br Prairie CR | 1977 | 1,110 | Fair |
| Van Buren St over Ralston Creek | 1935 | 1,082 | Poor |
| FM Iwv Rd over Old Womens CR | 2006 | 1,020 | Good |
| FM Sugar Btm Rd over Turkey Creek | 1964 | 990 | Fair |
| FM Prare Du Chn over Br Rapid Creek | 1993 | 980 | Fair |
| FM SW Blk Dimnd over Stream | 1900 | 970 | Fair |
| Jasper Ave over Stream | 1985 | 970 | Good |
| South Park Rd over I 80 | 2023 | 970 | Good |
| FM 250TH St over Br Buffalo Ck | 1978 | 920 | Fair |
| FM SW 540TH Ave over Deer Creek | 1976 | 900 | Fair |
| FM 520TH St over Pechman Creek | 1974 | 880 | Poor |
| FM 540TH St over Stream | 1955 | 880 | Fair |
| FM over over Iais RR | 1993 | 820 | Good |
| FM Ivy Ave over Deer Creek | 1994 | 790 | Fair |
| F 62 (520TH St) over Big Slough CR | 2012 | 760 | Good |
| Newport Rd over Br Turkey CR | 1976 | 760 | Fair |
| Iowa Ave over Ralston Creek | 1910 | 754 | Poor |
| Meadow St over Ralston Creek S. Branch | 2005 | 754 | Good |
| Taft Ave over Stream | 1966 | 734 | Fair |
| FM Johns-iowa R over Stream | 1966 | 730 | Fair |
| FM over Old Mans Creek | 1969 | 700 | Fair |
| FM SW 500TH St over Deer Creek | 1973 | 690 | Fair |
| FM SW Blk Dimnd over Old Mans Creek | 2009 | 670 | Good |
| 140TH St NE over Stream | 1977 | 663 | Fair |
| FM SW Blk Dimnd over N Branch Old Mans Creek | 1968 | 650 | Fair |
| SW Blk Diamond over Old Womans Creek | 2006 | 650 | Fair |
| Dane Rd over US 218 | 1983 | 630 | Good |
| Cosgrove Road over N Br Old Mans Creek | 2023 | 620 | Good |
| FM 250TH St over Drainage Ditch | 1978 | 620 | Fair |
| FM Sutliff Rd over Clear Creek | 1974 | 610 | Fair |
| FM over Miller Creek | 2001 | 600 | Fair |
| W 62 over Old Mans Creek | 2014 | 550 | Good |
| FM F-62 over US 218 | 1980 | 510 | Good |
| FM SW 500TH St over Old Mans Creek | 1996 | 510 | Good |
| Lower Old Hwy 6 over Stream | 1900 | 510 | Fair |
| Rapid Ck Rd over Br Rapid CR | 1950 | 490 | Poor |
| Rapid Creek Rd over Br Rapid CR | 2019 | 490 | Good |
| F46 Iwv Rd over Old Womans CR | 2005 | 480 | Good |
| FM Iwv Rd over N Branch Old Mans CR | 2004 | 480 | Fair |
| FM Sutliff Rd over Cedar River | 1983 | 480 | Fair |
| FM over Stream | 1900 | 460 | Fair |
| Benton St over Ralston Creek | 1935 | 449 | Poor |
| Half Moon Ave over I-80 | 1963 | 410 | Good |
| Halfmoon Ave over Stream | 2003 | 410 | Good |
| Dingleberry Rd over Rapid CR | 1960 | 398 | Poor |
| Napoleon St over Stream | 1972 | 388 | Fair |
| Napoleon St over Snyder Creek | 1987 | 381 | Fair |
| Brookside Dr over So Br Ralston Creek | 1997 | 377 | Fair |
| Third Ave over So Br Ralston Creek | 1957 | 341 | Poor |
| Sutliff Rd over Stream | 1900 | 340 | Fair |
| Center Ave over Ralston Creek | 1957 | 330 | Poor |
| NE Hickory H Rd over W Hoosier CR | 1977 | 300 | Fair |
| SW Observty Ave over Old Mans Creek | 1980 | 290 | Fair |
| Blackhawk Ave over Br Clear CR | 2021 | 275 | Good |
| FM 500TH St over Br Dirty Face CR | 1977 | 270 | Fair |
| FM Rohret Rd over Drainage | 1900 | 270 | Fair |
| FM SW Kansas over Stream | 1978 | 270 | Fair |
| FM SW Naples Av over Dirty Face Creek | 1980 | 270 | Fair |
| Center St over Hurtzel Run | 1900 | 269 | Poor |
| F20 Amana Rd over Br Iowa River | 2024 | 265 | Good |
| 3RD St over Small Stream | 1980 | 260 | Fair |
| FM 340TH St over Stream | 1900 | 260 | Fair |
| FM SW Bayrtwn R over Stream | 1964 | 240 | Poor |
| FM over Picayune CR | 1976 | 240 | Fair |
| Rachael Street over Muddy Creek | 2003 | 240 | Fair |
| Sioux Ave over Stream | 1966 | 234 | Poor |
| Wapsi Ave over I 80 | 2023 | 220 | Good |
| FM Amana Rd over Stream | 1973 | 190 | Good |
| Racine Ave over Stream | 2002 | 181 | Good |
| F36 Putnam Rd over Rapid Creek | 2021 | 180 | Good |
| FM 180TH St over Stream | 1978 | 180 | Fair |
| Chambers Ave over Clear Creek | 1977 | 170 | Fair |
| Johnson-iowa Rd over Deer Creek | 2019 | 170 | Good |
| F20 Amana Rd over Br Iowa River | 2018 | 160 | Good |
| FM Cedar Ck Rd over Small Stream | 1946 | 160 | Fair |
| 2ND Avenue over S Branch Ralston Creek | 2022 | 158 | Good |
| Local over Stream | 1972 | 153 | Fair |
| SW Naples Ave over Old Manscreek | 1985 | 150 | Good |
| Half Moon Ave over Deer Creek | 2022 | 143 | Good |
| Eagle Ave over I-80 | 1963 | 140 | Fair |
| FM SW Angle Ave over Deer Creek | 1995 | 140 | Good |
| Kansas Ave over Deer Creek | 1994 | 140 | Good |
| SW Maier Ave over Old Mans Creek | 1996 | 140 | Good |
| 500TH St over Stream | 1966 | 133 | Fair |
| Sixth Ave over Ralston Creek S. Branch | 1930 | 133 | Fair |
| Local Rd over I-380 | 1971 | 131 | Good |
| Swan Lake Rd over Br Iowa River | 2018 | 131 | Good |
| FM Amana Rd over Br Iowa River | 1935 | 130 | Poor |
| FM NE Rpd Ck Rd over Br Rapid CR | 1950 | 130 | Poor |
| FM over Plum Creek | 1934 | 130 | Fair |
| FM over Snyder CR | 1977 | 130 | Fair |
| 280TH St NE over Nicholson Creek | 1982 | 122 | Fair |
| SW Observatory over Branch of Crooked Creek | 1984 | 122 | Fair |
| Ireland Ave over Deer CR | 2005 | 120 | Good |
| Lower W Br Rd over Wapsinonoc CR | 2017 | 120 | Good |
| Halfmoon Ave over Buffalo Creek | 1976 | 112 | Fair |
| FM SE Sioux Ave over Stream | 1969 | 110 | Fair |
| Linn-johnson Rd over Stream | 1975 | 102 | Fair |
| SW Naples Ave over Br Old Man CR | 1997 | 102 | Good |
| W 295TH St over Rhine Creek | 1986 | 102 | Fair |
| Wapsie Rd over Stream | 1965 | 102 | Fair |
| 565TH St over US 218 | 1980 | 100 | Fair |
| FM SE 670TH St over Prairie Creek | 1966 | 100 | Fair |
| FM SW Ivy Ave over Old Womens CR | 1977 | 100 | Good |
| Poweshiek St over US 218 | 1983 | 100 | Good |
| Swan Lake Rd NE over Stream | 1973 | 100 | Fair |
| NW Chambers Ave over Stream | 1972 | 92 | Fair |
| SW Angle Rd over Br Old Mans CR | 1920 | 92 | Poor |
| Seven Sis Rd over Hoosier Creek | 2005 | 92 | Good |
| FM SW Kanas Ave over Picayune Creek | 1978 | 90 | Fair |
| Rohret Rd over Branch Old Mans Creek | 2022 | 90 | Good |
| 480TH St over Small | 1978 | 81 | Fair |
| 580TH St SE over Otter Creek | 1964 | 81 | Fair |
| Linn-johnson Rd over Stream | 2001 | 81 | Good |
| 400TH St over Wapsinonoe Creek | 1977 | 80 | Fair |
| FM 3 Co Br Rd over Br Prairie Creek | 1997 | 80 | Good |
| Linn-johnson Rd over Cherry Creek | 2001 | 80 | Fair |
| W38 Black Hawk Ave over Old Mans Creek | 2020 | 80 | Good |
| Jordan Ck Rd over Jordan Creek | 1971 | 72 | Fair |
| SW Hazelwood Av over Stream | 1966 | 72 | Fair |
| SW Obsrvtry Ave over Stream | 1973 | 72 | Fair |
| 560TH St over Br Deer Creek | 1999 | 70 | Good |
| FM SW Naples Av over Crooked CR | 1942 | 70 | Poor |
| FM SW Naples Av over Picayune Creek | 1966 | 70 | Fair |
| SW Hazlwood Ave over Old Mans Creek | 1991 | 70 | Good |
| Utah Ave over Stream | 1994 | 70 | Fair |
| Northgate Dr over Trib. to Rapid Creek | 2003 | 66 | Good |
| Cosgrove Rd over Old Mans Creek | 2012 | 61 | Fair |
| Johnson Ia Rd over Stream | 2015 | 61 | Good |
| Johnson-iowa Rd over Branch to Clear Creek | 1979 | 61 | Fair |
| Local over Stream | 1966 | 61 | Fair |
| Oasis Rd over Small | 1979 | 61 | Fair |
| SW 360TH St over N Br Creek | 1965 | 61 | Fair |
| SW 480TH St over Br Dirty Face CR | 1920 | 61 | Fair |
| 160TH St over Br Mill CR | 1955 | 60 | Poor |
| Derby Ave SW over Stream | 1954 | 60 | Poor |
| FM 310TH St over Stream | 1900 | 60 | Fair |
| FM Rohret Rd over Old Womens CR | 2004 | 60 | Good |
| Linn-johnson Rd over Stream | 1974 | 60 | Fair |
| Local over Small Stream | 1999 | 60 | Good |
| Local over Small Stream | 1999 | 60 | Good |
| SE 680TH St over Richey CR | 1996 | 60 | Good |
| W 295TH St over Br Clear CR | 1977 | 60 | Fair |
| Polk Ave over Lingle Creek | 1986 | 59 | Good |
| 560TH St SW over Stream | 1900 | 51 | Good |
| NE 340TH St over Stream | 1952 | 51 | Fair |
| SW 400TH St over Old Mans Creek | 1975 | 51 | Fair |
| SW Eagle Avenue over F Old Mans Creek | 2002 | 51 | Good |
| 140TH St NW over Knapp Creek | 1987 | 50 | Fair |
| 280TH St over Stream | 1993 | 50 | Good |
| SW Sioux Ave over Stream | 1966 | 50 | Good |
| Calkins Ave over Knapp CR | 2008 | 49 | Good |
| Water Street NE over West Hoosier Creek | 2010 | 49 | Fair |
| Green Castle Av over Small Stream | 1900 | 46 | Poor |
| Linn-johnson Rd over Knapp Creek | 1984 | 46 | Fair |
| Taft Ave over Br Buck Creek | 2016 | 46 | Good |
| SW 540TH St over Stream | 1972 | 45 | Fair |
| Utah Ave over Stream | 2023 | 45 | Good |
| Vega Rd over Small Stream | 1985 | 45 | Fair |
| Copi Rd over Clear Creek | 2015 | 42 | Good |
| S.w.lackender over Picayune Creek | 1994 | 41 | Good |
| SW James Ave over Stream | 1960 | 41 | Fair |
| James Ave over Stream | 2023 | 40 | Good |
| Liberty Drive over Snyder Creek | 1998 | 40 | Good |
| Local over Dirty Face Creek | 1997 | 40 | Good |
| Local over Hockeys Slough | 2001 | 40 | Fair |
| Osage Rd over Small Stream | 1989 | 40 | Good |
| SE Sioux Ave over Crooked Creek | 1992 | 40 | Fair |
| SW Kansas Ave over Stream | 1993 | 40 | Fair |
| Naples Ave over Hoosier CR | 2000 | 39 | Good |
| 500TH St SE over Stream | 1971 | 35 | Fair |
| 500TH St SE over Stream | 1969 | 35 | Fair |
| FM 660TH St over Richey Creek | 1979 | 35 | Fair |
| SE White Oak Av over Big Slough CR | 1920 | 35 | Fair |
| SW 360TH St over N Br Old Mans CR | 1915 | 35 | Fair |
| SW 360TH St over N Br Old Mans CR | 1998 | 35 | Good |
| SW 520TH St over Deer Creek | 1900 | 35 | Poor |
| SW Eagle Ave over Stream | 1900 | 35 | Fair |
| Seven Sis Rd over Lingle Creek | 1979 | 35 | Fair |
| Eagle Ave over Bradley CR | 1915 | 31 | Poor |
| Taft Ave over Stream | 1970 | 31 | Fair |
| 120TH St over Stream | 1952 | 30 | Poor |
| Calkins Ave over Old Mans Creek | 1999 | 30 | Good |
| FM over Buck Creek | 1991 | 30 | Fair |
| Local over Small Stream | 1997 | 30 | Good |
| Rohret Rd over N Fork Old Man Creek | 1979 | 30 | Good |
| Rohret Rd over N Fork Old Mans Creek | 1978 | 30 | Fair |
| SW 470TH St over Stream | 1973 | 30 | Fair |
| SW Kansas Ave over Old Mans Creek | 2000 | 30 | Good |
| SE 660TH St over Prairie CR | 1930 | 26 | Fair |
| SW Calkins Ave over N Br Creek | 1920 | 26 | Fair |
| NW 160TH St over Stream | 1993 | 20 | Fair |
| S.e.wapello Ave over Richey Creek | 1994 | 20 | Fair |
| SW 480TH St over Stream | 1970 | 20 | Fair |
| Vincent Ave SE over Stream | 1970 | 20 | Fair |
| Eagle Ave over Clear Creek | 1993 | 15 | Good |
| Jasper Ave over Stream | 2018 | 15 | Good |
| Local over Plum CR | 1996 | 15 | Fair |
| NW Baxter Ave over Knapp Creek | 1995 | 15 | Good |
| SW Buchanan Ave over Drainage | 1974 | 15 | Fair |
| Iowa Johnson Rd over Stream | 1925 | 11 | Poor |
| NE 340TH St over Small | 1900 | 11 | Poor |
| Naples Ave SW over Old Mans Creek | 1985 | 11 | Good |
| SW Blackhawk Av over Miller Creek | 2004 | 11 | Fair |
| Strawbridge Rd over Rapid Creek | 2019 | 11 | Good |
| Maier Ave over Picayune CR | 1915 | 10 | Poor |
| Johnson-iowa Rd over Br Old Mans CR | 1915 | 5 | Poor |
| SW 520TH St over Br Deer Creek | 1991 | 5 | Fair |
| 1st AVE SB over I 80 | 2024 | – | Good |
| I 380 SB over I 80 | 2023 | – | Good |
| I-80 over Drainage Ditch | 1960 | – | Fair |
| I-80 over Drainage Ditch | 1960 | – | Fair |