| Gilbert ST over Ralston Creek | Poor | 83.0 ft | 14,025 | 1972 |
| Ia 1 NB over Iowa River | Poor | 341.9 ft | 10,950 | 1915 |
| Iowa AVE over Iowa River | Poor | 315.0 ft | 5,400 | 1916 |
| Kirkwood AVE over Ralston Creek | Poor | 62.0 ft | 4,693 | 1935 |
| Dodge ST over Over Iais Rr | Poor | 193.9 ft | 4,688 | 1970 |
| Washington ST over Ralston Creek | Poor | 34.1 ft | 2,487 | 1910 |
| Johnson ST over Ralston Creek | Poor | 32.2 ft | 2,356 | 1930 |
| Evans ST over Ralston Creek | Poor | 21.0 ft | 2,176 | 1911 |
| FM 520th ST over Iowa River | Poor | 348.1 ft | 2,060 | 1971 |
| Van Buren ST over Ralston Creek | Poor | 27.9 ft | 1,082 | 1935 |
| FM 520th ST over Pechman Creek | Poor | 43.0 ft | 880 | 1974 |
| Iowa AVE over Ralston Creek | Poor | 27.9 ft | 754 | 1910 |
| Rapid Ck RD over Br Rapid CR | Poor | 44.0 ft | 490 | 1950 |
| Benton ST over Ralston Creek | Poor | 65.0 ft | 449 | 1935 |
| Dingleberry RD over Rapid CR | Poor | 40.0 ft | 398 | 1960 |
| Third AVE over So Br Ralston Creek | Poor | 22.0 ft | 341 | 1957 |
| Center AVE over Ralston Creek | Poor | 22.0 ft | 330 | 1957 |
| Center ST over Hurtzel Run | Poor | 32.2 ft | 269 | 1900 |
| FM SW Bayrtwn R over Stream | Poor | 29.9 ft | 240 | 1964 |
| Sioux AVE over Stream | Poor | 44.9 ft | 234 | 1966 |
| FM NE Rpd Ck RD over Br Rapid CR | Poor | 44.0 ft | 130 | 1950 |
| FM Amana RD over Br Iowa River | Poor | 33.1 ft | 130 | 1935 |
| SW Angle RD over Br Old Mans CR | Poor | 23.0 ft | 92 | 1920 |
| FM SW Naples Av over Crooked CR | Poor | 20.0 ft | 70 | 1942 |
| Derby AVE SW over Stream | Poor | 20.0 ft | 60 | 1954 |
| 160th ST over Br Mill CR | Poor | 26.9 ft | 60 | 1955 |
| Green Castle Av over Small Stream | Poor | 20.0 ft | 46 | 1900 |
| SW 520th ST over Deer Creek | Poor | 62.0 ft | 35 | 1900 |
| Eagle AVE over Bradley CR | Poor | 32.2 ft | 31 | 1915 |
| 120th ST over Stream | Poor | 42.0 ft | 30 | 1952 |
| NE 340th ST over Small | Poor | 20.0 ft | 11 | 1900 |
| Iowa Johnson RD over Stream | Poor | 33.1 ft | 11 | 1925 |
| Maier AVE over Picayune CR | Poor | 29.9 ft | 10 | 1915 |
| Johnson-iowa RD over Br Old Mans CR | Poor | 32.2 ft | 5 | 1915 |
| EB I-80 over Over US 6 & Iais Rr | Fair | 571.9 ft | 31,000 | 1995 |
| I 80 WB over Over US 6 & Iais Rr | Fair | 564.0 ft | 31,000 | 1992 |
| EB I-80 over Cic Railway | Fair | 173.9 ft | 30,600 | 1963 |
| WB I-80 over Cic Railway | Fair | 173.9 ft | 30,600 | 1963 |
| I 380 NB over W-60 & Cric Rr | Fair | 379.9 ft | 27,900 | 1971 |
| I 380 SB over W-60 & Cic Rr | Fair | 380.9 ft | 27,900 | 1972 |
| US 6 over Iowa River | Fair | 324.1 ft | 27,600 | 1957 |
| US 6 over Ralston Creek | Fair | 33.1 ft | 27,600 | 1957 |
| NB I-380 over Iowa River | Fair | 429.1 ft | 27,200 | 1972 |
| SB I-380 over Iowa River | Fair | 429.1 ft | 27,200 | 1972 |
| EB I-80 over Ia 965/coral Ridge AVE | Fair | 227.0 ft | 25,850 | 1963 |
| I 80 WB over Ia 965/coral Ridge AVE | Fair | 227.0 ft | 25,150 | 1963 |
| Ia 1 over Drainage Ditch | Fair | 52.2 ft | 19,000 | 1949 |
| I 80 EB over W38 (black Hawk Ave) | Fair | 132.9 ft | 16,250 | 1964 |
| WB I-80 over W38 (black Hawk Ave) | Fair | 132.9 ft | 15,950 | 1964 |
| Benton ST over Iowa River | Fair | 479.0 ft | 14,383 | 1990 |
| Ia 1 over Ralston Creek | Fair | 61.0 ft | 13,500 | 1932 |
| Mormon Trk BLVD over Willow Creek | Fair | 21.0 ft | 12,954 | 1971 |
| Melrose AVE over Iais Rr | Fair | 206.0 ft | 12,001 | 1997 |
| SB US 218 over Melrose Av | Fair | 308.1 ft | 11,650 | 1983 |
| US 6 over Drainage | Fair | 24.9 ft | 11,400 | 1948 |
| NB US 218 over Old Man Creek Overflow | Fair | 103.0 ft | 10,250 | 1983 |
| 12th AVE over I-80 | Fair | 226.0 ft | 10,192 | 1962 |
| SB US 218 over Crooked Creek | Fair | 126.0 ft | 9,850 | 1982 |
| Ia 1 over Rapid Creek | Fair | 128.0 ft | 9,800 | 1967 |
| Muscatine AVE over Ralston Ck S Branch | Fair | 40.0 ft | 9,524 | 1972 |
| FM F-28 over I-380 | Fair | 257.9 ft | 8,900 | 1970 |
| SB US 218 over F50 (oak Crest Hill Rd) | Fair | 241.1 ft | 8,700 | 1983 |
| Front ST over Muddy Creek | Fair | 24.9 ft | 7,700 | 2002 |
| SB Ia 1 over US 218 | Fair | 268.0 ft | 7,650 | 1983 |
| Muscatine AVE over Ralston Creek | Fair | 43.0 ft | 7,256 | 1979 |
| 1st AVE over Ralston Creek N. Branch | Fair | 27.9 ft | 7,143 | 1984 |
| Dubuque ST over Iowa River | Fair | 445.9 ft | 6,900 | 1991 |
| W Benton ST over Willow Creek | Fair | 21.0 ft | 6,100 | 1971 |
| Ia 1 over Mill Creek | Fair | 92.8 ft | 6,000 | 1985 |
| US 6 over Snyder Creek | Fair | 28.9 ft | 5,400 | 1957 |
| US 6 over Drainage Ditch | Fair | 26.9 ft | 5,300 | 1953 |
| US 6 over Stream | Fair | 23.0 ft | 5,300 | 1953 |
| US 6 over Stream | Fair | 29.9 ft | 5,300 | 1923 |
| US 6 over Pig Run Creek | Fair | 21.0 ft | 5,300 | 1923 |
| US 6 over Buffalo Creek | Fair | 102.4 ft | 5,300 | 1961 |
| Holiday RD over Over Cic Rr | Fair | 102.0 ft | 5,126 | 1979 |
| FM over I-80 | Fair | 217.8 ft | 4,676 | 1963 |
| Rohret RD over US 218 | Fair | 410.1 ft | 4,601 | 1983 |
| Prairieduchien RD over I 80 | Fair | 226.0 ft | 4,310 | 1962 |
| Zeller Street over Muddy Creek | Fair | 25.9 ft | 4,290 | 1999 |
| FM Ely RD over Lingle Creek | Fair | 131.9 ft | 3,930 | 1955 |
| HWY 382 over Small Natural Stream | Fair | 38.1 ft | 3,810 | 1962 |
| HWY 382 over Small Natural Stream | Fair | 39.0 ft | 3,810 | 1958 |
| NB Dubuque ST over I 80 | Fair | 240.2 ft | 3,750 | 1963 |
| FM Mahaffy Br R over Stream | Fair | 40.0 ft | 3,730 | 2000 |
| SB Ia 1 over Ralston Creek | Fair | 56.1 ft | 3,650 | 1953 |
| FM Sand RD over Stream | Fair | 23.0 ft | 3,330 | 1976 |
| SB Dubuque ST over I 80 | Fair | 240.2 ft | 2,750 | 1963 |
| FM Sand RD over Snyder Creek | Fair | 67.9 ft | 2,620 | 1964 |
| Sheridan AVE over Ralston Creek S Branch | Fair | 22.0 ft | 2,105 | 1957 |
| FM James AVE over Buffalo Creek | Fair | 23.0 ft | 1,990 | 1960 |
| FM Prare Du Chn over Rapid Creek | Fair | 153.9 ft | 1,970 | 1975 |
| College ST over Ralston Creek | Fair | 181.1 ft | 1,940 | 1971 |
| Jefferson ST over Ralston Creek | Fair | 22.0 ft | 1,802 | 1958 |
| Oakcresthill RD over Drainage Ditch | Fair | 36.1 ft | 1,670 | 2003 |
| FM 120th ST over Br Plum CR | Fair | 21.0 ft | 1,630 | 1989 |
| Observatory AVE over US 218 | Fair | 262.1 ft | 1,580 | 1980 |
| FM 120th ST over Hoosier Creek | Fair | 152.9 ft | 1,500 | 1900 |
| FM Am Legion RD over Snyder Creek | Fair | 78.1 ft | 1,480 | 1978 |
| Golfview Drive over Muddy Creek | Fair | 52.2 ft | 1,480 | 2012 |
| N Augusta AVE over Hurtzell Run Creek | Fair | 83.0 ft | 1,478 | 1973 |
| FM SW Blk Hwk D over N Br Old Mans CR | Fair | 21.0 ft | 1,450 | 2000 |
| Woolf AVE over US 6 & Rr | Fair | 191.9 ft | 1,400 | 1998 |
| Deer Ck RD over Deer Creek | Fair | 90.9 ft | 1,363 | 1972 |
| Deer Creek RD over Stream | Fair | 153.9 ft | 1,267 | 1972 |
| NW 120th ST over Stream | Fair | 103.0 ft | 1,250 | 1966 |
| FM Morse RD over Rapid CR | Fair | 34.1 ft | 1,220 | 1930 |
| FM Sand RD SE over Buck Creek | Fair | 103.0 ft | 1,210 | 1964 |
| FM Sand RD over Pechman Creek | Fair | 103.0 ft | 1,210 | 1976 |
| Fm-blackhawk Av over Clear Creek | Fair | 167.0 ft | 1,200 | 1995 |
| FM SW Wapello A over Br Prairie CR | Fair | 23.0 ft | 1,110 | 1977 |
| FM Sugar Btm RD over Turkey Creek | Fair | 78.1 ft | 990 | 1964 |
| FM Prare Du Chn over Br Rapid Creek | Fair | 23.0 ft | 980 | 1993 |
| FM SW Blk Dimnd over Stream | Fair | 23.0 ft | 970 | 1900 |
| FM 250th ST over Br Buffalo Ck | Fair | 23.0 ft | 920 | 1978 |
| FM SW 540th AVE over Deer Creek | Fair | 67.9 ft | 900 | 1976 |
| FM 540th ST over Stream | Fair | 33.1 ft | 880 | 1955 |
| FM Ivy AVE over Deer Creek | Fair | 26.9 ft | 790 | 1994 |
| Newport RD over Br Turkey CR | Fair | 23.0 ft | 760 | 1976 |
| Taft AVE over Stream | Fair | 58.1 ft | 734 | 1966 |
| FM Johns-iowa R over Stream | Fair | 25.9 ft | 730 | 1966 |
| FM over Old Mans Creek | Fair | 182.1 ft | 700 | 1969 |
| FM SW 500th ST over Deer Creek | Fair | 90.9 ft | 690 | 1973 |
| 140th ST NE over Stream | Fair | 44.9 ft | 663 | 1977 |
| SW Blk Diamond over Old Womans Creek | Fair | 61.0 ft | 650 | 2006 |
| FM SW Blk Dimnd over N Branch Old Mans Creek | Fair | 103.0 ft | 650 | 1968 |
| FM 250th ST over Drainage Ditch | Fair | 23.0 ft | 620 | 1978 |
| FM Sutliff RD over Clear Creek | Fair | 153.9 ft | 610 | 1974 |
| FM over Miller Creek | Fair | 78.1 ft | 600 | 2001 |
| Lower Old HWY 6 over Stream | Fair | 26.9 ft | 510 | 1900 |
| FM Iwv RD over N Branch Old Mans CR | Fair | 143.0 ft | 480 | 2004 |
| FM Sutliff RD over Cedar River | Fair | 872.0 ft | 480 | 1983 |
| FM over Stream | Fair | 26.9 ft | 460 | 1900 |
| Napoleon ST over Stream | Fair | 38.1 ft | 388 | 1972 |
| Napoleon ST over Snyder Creek | Fair | 128.0 ft | 381 | 1987 |
| Brookside DR over So Br Ralston Creek | Fair | 26.9 ft | 377 | 1997 |
| Sutliff RD over Stream | Fair | 23.0 ft | 340 | 1900 |
| NE Hickory H RD over W Hoosier CR | Fair | 26.9 ft | 300 | 1977 |
| SW Observty AVE over Old Mans Creek | Fair | 229.0 ft | 290 | 1980 |
| FM SW Naples Av over Dirty Face Creek | Fair | 90.9 ft | 270 | 1980 |
| FM 500th ST over Br Dirty Face CR | Fair | 90.9 ft | 270 | 1977 |
| FM SW Kansas over Stream | Fair | 90.9 ft | 270 | 1978 |
| FM Rohret RD over Drainage | Fair | 26.9 ft | 270 | 1900 |
| FM 340th ST over Stream | Fair | 23.0 ft | 260 | 1900 |
| 3rd ST over Small Stream | Fair | 28.9 ft | 260 | 1980 |
| FM over Picayune CR | Fair | 29.9 ft | 240 | 1976 |
| Rachael Street over Muddy Creek | Fair | 65.6 ft | 240 | 2003 |
| FM 180th ST over Stream | Fair | 103.0 ft | 180 | 1978 |
| Chambers AVE over Clear Creek | Fair | 128.0 ft | 170 | 1977 |
| FM Cedar Ck RD over Small Stream | Fair | 128.0 ft | 160 | 1946 |
| Local over Stream | Fair | 38.1 ft | 153 | 1972 |
| Eagle AVE over I-80 | Fair | 226.0 ft | 140 | 1963 |
| Sixth AVE over Ralston Creek S. Branch | Fair | 35.1 ft | 133 | 1930 |
| 500th ST over Stream | Fair | 25.9 ft | 133 | 1966 |
| FM over Snyder CR | Fair | 78.1 ft | 130 | 1977 |
| FM over Plum Creek | Fair | 63.0 ft | 130 | 1934 |
| SW Observatory over Branch Of Crooked Creek | Fair | 39.0 ft | 122 | 1984 |
| 280th ST NE over Nicholson Creek | Fair | 26.9 ft | 122 | 1982 |
| Halfmoon AVE over Buffalo Creek | Fair | 44.9 ft | 112 | 1976 |
| FM SE Sioux AVE over Stream | Fair | 23.0 ft | 110 | 1969 |
| Wapsie RD over Stream | Fair | 78.1 ft | 102 | 1965 |
| W 295th ST over Rhine Creek | Fair | 103.0 ft | 102 | 1986 |
| Linn-johnson RD over Stream | Fair | 24.9 ft | 102 | 1975 |
| FM SE 670th ST over Prairie Creek | Fair | 44.9 ft | 100 | 1966 |
| Swan Lake RD NE over Stream | Fair | 38.1 ft | 100 | 1973 |
| 565th ST over US 218 | Fair | 277.9 ft | 100 | 1980 |
| NW Chambers AVE over Stream | Fair | 38.1 ft | 92 | 1972 |
| FM SW Kanas AVE over Picayune Creek | Fair | 44.0 ft | 90 | 1978 |
| 580th ST SE over Otter Creek | Fair | 44.0 ft | 81 | 1964 |
| 480th ST over Small | Fair | 23.0 ft | 81 | 1978 |
| 400th ST over Wapsinonoe Creek | Fair | 103.0 ft | 80 | 1977 |
| Linn-johnson RD over Cherry Creek | Fair | 21.0 ft | 80 | 2001 |
| SW Obsrvtry AVE over Stream | Fair | 37.1 ft | 72 | 1973 |
| SW Hazelwood Av over Stream | Fair | 23.0 ft | 72 | 1966 |
| Jordan Ck RD over Jordan Creek | Fair | 36.1 ft | 72 | 1971 |
| FM SW Naples Av over Picayune Creek | Fair | 78.1 ft | 70 | 1966 |
| Utah AVE over Stream | Fair | 44.0 ft | 70 | 1994 |
| SW 480th ST over Br Dirty Face CR | Fair | 20.0 ft | 61 | 1920 |
| Cosgrove RD over Old Mans Creek | Fair | 119.1 ft | 61 | 2012 |
| Local over Stream | Fair | 26.9 ft | 61 | 1966 |
| Oasis RD over Small | Fair | 128.0 ft | 61 | 1979 |
| SW 360th ST over N Br Creek | Fair | 89.9 ft | 61 | 1965 |
| Johnson-iowa RD over Branch To Clear Creek | Fair | 78.1 ft | 61 | 1979 |
| FM 310th ST over Stream | Fair | 20.0 ft | 60 | 1900 |
| W 295th ST over Br Clear CR | Fair | 128.0 ft | 60 | 1977 |
| Linn-johnson RD over Stream | Fair | 23.0 ft | 60 | 1974 |
| NE 340th ST over Stream | Fair | 26.9 ft | 51 | 1952 |
| SW 400th ST over Old Mans Creek | Fair | 128.0 ft | 51 | 1975 |
| 140th ST NW over Knapp Creek | Fair | 128.0 ft | 50 | 1987 |
| Water Street NE over West Hoosier Creek | Fair | 24.0 ft | 49 | 2010 |
| Linn-johnson RD over Knapp Creek | Fair | 127.0 ft | 46 | 1984 |
| SW 540th ST over Stream | Fair | 23.0 ft | 45 | 1972 |
| Vega RD over Small Stream | Fair | 34.1 ft | 45 | 1985 |
| SW James AVE over Stream | Fair | 30.8 ft | 41 | 1960 |
| SE Sioux AVE over Crooked Creek | Fair | 50.9 ft | 40 | 1992 |
| SW Kansas AVE over Stream | Fair | 24.9 ft | 40 | 1993 |
| Local over Hockeys Slough | Fair | 21.0 ft | 40 | 2001 |
| FM 660th ST over Richey Creek | Fair | 32.2 ft | 35 | 1979 |
| SE White Oak Av over Big Slough CR | Fair | 29.9 ft | 35 | 1920 |
| 500th ST SE over Stream | Fair | 32.2 ft | 35 | 1971 |
| 500th ST SE over Stream | Fair | 33.1 ft | 35 | 1969 |
| SW 360th ST over N Br Old Mans CR | Fair | 21.0 ft | 35 | 1915 |
| SW Eagle AVE over Stream | Fair | 27.9 ft | 35 | 1900 |
| Seven Sis RD over Lingle Creek | Fair | 26.9 ft | 35 | 1979 |
| Taft AVE over Stream | Fair | 30.8 ft | 31 | 1970 |
| FM over Buck Creek | Fair | 26.9 ft | 30 | 1991 |
| SW 470th ST over Stream | Fair | 44.9 ft | 30 | 1973 |
| Rohret RD over N Fork Old Mans Creek | Fair | 103.0 ft | 30 | 1978 |
| SE 660th ST over Prairie CR | Fair | 32.2 ft | 26 | 1930 |
| SW Calkins AVE over N Br Creek | Fair | 34.1 ft | 26 | 1920 |
| S.e.wapello AVE over Richey Creek | Fair | 26.9 ft | 20 | 1994 |
| Vincent AVE SE over Stream | Fair | 33.1 ft | 20 | 1970 |
| SW 480th ST over Stream | Fair | 23.0 ft | 20 | 1970 |
| NW 160th ST over Stream | Fair | 128.0 ft | 20 | 1993 |
| Local over Plum CR | Fair | 105.0 ft | 15 | 1996 |
| SW Buchanan AVE over Drainage | Fair | 40.0 ft | 15 | 1974 |
| SW Blackhawk Av over Miller Creek | Fair | 65.9 ft | 11 | 2004 |
| SW 520th ST over Br Deer Creek | Fair | 23.0 ft | 5 | 1991 |
| I-80 over Drainage Ditch | Fair | 28.9 ft | 0 | 1960 |
| I-80 over Drainage Ditch | Fair | 25.9 ft | 0 | 1960 |
| I 80 EB over Iowa River | Good | 432.1 ft | 32,900 | 1960 |
| US 218 over Deer Creek | Good | 33.1 ft | 32,400 | 1970 |
| I 80 WB over Iowa River | Good | 432.1 ft | 32,050 | 1960 |
| US 6 over Clear Creek | Good | 212.9 ft | 27,200 | 1998 |
| I 380 NB over Iais Rr | Good | 227.0 ft | 26,550 | 2021 |
| I 380 SB over Iais Rr | Good | 227.0 ft | 26,550 | 2022 |
| I 380 NB over US 6 | Good | 287.1 ft | 26,550 | 2021 |
| I 380 SB over US 6 | Good | 287.1 ft | 26,550 | 2022 |
| 1st AVE over Clear Creek | Good | 149.9 ft | 23,500 | 1969 |
| I 380 NB over Clear Creek | Good | 327.8 ft | 18,000 | 2021 |
| I 380 SB over Clear Creek | Good | 326.8 ft | 18,000 | 2022 |
| 1st AVE over Ralston Creek S. Branch | Good | 37.1 ft | 14,992 | 1997 |
| I380 SB To I80 EB over I 80 Ramps E & G | Good | 861.2 ft | 14,400 | 2022 |
| I380 SB To I80 EB over Clear Creek | Good | 252.0 ft | 14,400 | 2022 |
| I 80 EB over Clear Creek | Good | 252.0 ft | 13,800 | 2023 |
| I80 WB To I380 NB over Clear Creek | Good | 259.5 ft | 13,800 | 2021 |
| I 80 EB over I 80 WB To US 218 SB | Good | 158.1 ft | 13,800 | 2023 |
| I 80 WB over Clear Creek | Good | 252.0 ft | 13,450 | 2022 |
| I 80 WB over I 80 WB To US 218 SB | Good | 158.1 ft | 13,450 | 2022 |
| Park RD over Iowa River | Good | 443.6 ft | 12,300 | 2018 |
| NB US 218 over Melrose AVE | Good | 318.9 ft | 11,400 | 1983 |
| Ia 1 SB over Iowa River | Good | 355.0 ft | 10,950 | 1969 |
| US 6 over Stream | Good | 21.0 ft | 10,500 | 1960 |
| SB US 218 over Old Man Creek Overflow | Good | 103.0 ft | 10,450 | 1983 |
| Mormon Trk BLVD over Willow Creek | Good | 22.0 ft | 10,001 | 2000 |
| SB US 218 over Old Man Creek | Good | 267.1 ft | 9,850 | 1982 |
| US 218 Ia 27 SB over I380 SB To I80 EB Ramp F | Good | 176.2 ft | 9,850 | 2021 |
| Camp Cardinal R over Clear Creek | Good | 167.0 ft | 9,800 | 1984 |
| I 380 NB over I 80 | Good | 347.4 ft | 9,650 | 2021 |
| NB US 218 over Crooked Creek | Good | 126.0 ft | 9,650 | 1982 |
| NB US 218 over Old Man Creek | Good | 267.1 ft | 9,650 | 1982 |
| US 218 Ia 27 NB over I380 SB To I80 EB Ramp F | Good | 176.2 ft | 9,650 | 2021 |
| I 380 NB over I 80 WB Ramps | Good | 282.2 ft | 9,650 | 2021 |
| I 380 SB over I 80 WB Ramps | Good | 282.2 ft | 9,650 | 2021 |
| Ia 1 NB over I-80 | Good | 239.5 ft | 9,350 | 1962 |
| Ia 1 SB over I-80 | Good | 255.6 ft | 9,350 | 1962 |
| 1st AVE NB over I 80 | Good | 205.1 ft | 9,000 | 2023 |
| F44 Herbert Hoover over I 80 | Good | 285.4 ft | 8,800 | 2021 |
| Ireland Avenue over Clear Creek | Good | 128.0 ft | 8,339 | 1973 |
| NB US 218 over F50 (oak Crest Hill Rd) | Good | 241.1 ft | 8,150 | 1983 |
| NB Ia 1 over US 218 | Good | 268.0 ft | 7,650 | 1983 |
| FM F-12 over I-380 & US 218 | Good | 263.1 ft | 6,800 | 1972 |
| I80 EB To Us218 SB over I80 WB To US 218 SB | Good | 876.6 ft | 6,700 | 2020 |
| Rochester AVE over Ralston Creek | Good | 58.1 ft | 6,667 | 2014 |
| 1st Avenue over Muddy Creek | Good | 128.0 ft | 6,625 | 1988 |
| Ia 1 over Stream | Good | 32.5 ft | 6,300 | 2020 |
| Ia 1 over Unnamed Stream | Good | 24.9 ft | 6,000 | 2014 |
| Mccollister Blv over Iowa River | Good | 396.0 ft | 6,000 | 2009 |
| Oakdale BLVD over Muddy Creek | Good | 165.0 ft | 5,803 | 1996 |
| Morman Trek Blv over Willow Creek | Good | 43.0 ft | 5,200 | 2005 |
| F28 Mehaffey Br RD over Iowa River | Good | 562.0 ft | 5,100 | 2015 |
| Ia 1 over Stream | Good | 24.9 ft | 4,890 | 2020 |
| Ia 1 over Old Mans Creek | Good | 301.8 ft | 4,890 | 2020 |
| Ia 1 over Old Womans Creek | Good | 139.1 ft | 4,890 | 2020 |
| Ia 1 over Old Mans Crk E Overflow | Good | 37.4 ft | 4,890 | 2020 |
| Ia 1 over Old Mans Crk E Ovrflw | Good | 37.4 ft | 4,890 | 2020 |
| Scott BLVD over Ralston Creek N. Branch | Good | 25.9 ft | 4,858 | 2003 |
| Us218 NB To I80 EB over Clear Creek | Good | 252.0 ft | 4,830 | 2021 |
| Summit ST over Over Iais Rr | Good | 170.9 ft | 4,651 | 1999 |
| HWY 965 over Iowa River | Good | 432.1 ft | 4,280 | 1956 |
| Ia 22 over Iowa River | Good | 442.9 ft | 4,250 | 1987 |
| Oakdale BLVD over Muddy Creek | Good | 47.9 ft | 4,020 | 2009 |
| Oakdale BLVD over Muddy Creek | Good | 47.9 ft | 4,020 | 2012 |
| I80 EB To Us218 SB over Land | Good | 569.6 ft | 3,910 | 2020 |
| F44 Hoover HWY NE over Br Wapsinonoc Creek | Good | 24.9 ft | 3,390 | 2022 |
| Ia 1 NB over Ralston Creek | Good | 44.9 ft | 2,850 | 2019 |
| I80 EB To I380 NB over I 80/us 218/ia 27 | Good | 2771.0 ft | 2,800 | 2020 |
| FM Sand RD over Stream | Good | 73.2 ft | 2,620 | 2005 |
| Riverside DR over 218 Rr And Riverside DR | Good | 39.0 ft | 2,410 | 2006 |
| Us218nb To I80 WB over I 80 Ramps F & G | Good | 1350.1 ft | 2,340 | 2023 |
| S Riverside DR over Willow Creek | Good | 23.0 ft | 2,048 | 1971 |
| Forevergreen RD over I 380 | Good | 285.1 ft | 2,027 | 2017 |
| FM Utah AVE over Stream | Good | 23.0 ft | 2,020 | 1998 |
| Prentiss ST over Ralston Creek | Good | 40.4 ft | 1,664 | 2020 |
| Oakcresthill RD over Drainage Ditch | Good | 70.5 ft | 1,530 | 2011 |
| Oakcresthill RD over Drainage Ditch | Good | 24.9 ft | 1,530 | 2018 |
| Oakcresthill RD over Old Man Creek | Good | 229.0 ft | 1,530 | 2005 |
| FM SW Blk Hwk D over N Br Old Mans CR | Good | 36.1 ft | 1,450 | 2000 |
| Swisherview Dr. over Small Stream | Good | 21.0 ft | 1,168 | 1900 |
| FM Iwv RD over Old Womens CR | Good | 23.0 ft | 1,020 | 2006 |
| South Park RD over I 80 | Good | 340.6 ft | 970 | 2023 |
| Jasper AVE over Stream | Good | 163.1 ft | 970 | 1985 |
| FM over Over Iais Rr | Good | 146.0 ft | 820 | 1993 |
| F 62 (520th St) over Big Slough CR | Good | 109.9 ft | 760 | 2012 |
| Meadow ST over Ralston Creek S. Branch | Good | 43.0 ft | 754 | 2005 |
| FM SW Blk Dimnd over Old Mans Creek | Good | 201.1 ft | 670 | 2009 |
| Dane RD over US 218 | Good | 409.1 ft | 630 | 1983 |
| Cosgrove Road over N Br Old Mans Creek | Good | 149.9 ft | 620 | 2023 |
| W 62 over Old Mans Creek | Good | 201.4 ft | 550 | 2014 |
| FM SW 500th ST over Old Mans Creek | Good | 229.0 ft | 510 | 1996 |
| FM F-62 over US 218 | Good | 257.9 ft | 510 | 1980 |
| Rapid Creek RD over Br Rapid CR | Good | 58.1 ft | 490 | 2019 |
| F46 Iwv RD over Old Womans CR | Good | 22.0 ft | 480 | 2005 |
| Half Moon AVE over I-80 | Good | 216.9 ft | 410 | 1963 |
| Halfmoon AVE over Stream | Good | 164.0 ft | 410 | 2003 |
| Blackhawk AVE over Br Clear CR | Good | 69.9 ft | 275 | 2021 |
| F20 Amana RD over Br Iowa River | Good | 112.9 ft | 265 | 2024 |
| Wapsi AVE over I 80 | Good | 294.9 ft | 220 | 2023 |
| FM Amana RD over Stream | Good | 140.1 ft | 190 | 1973 |
| Racine AVE over Stream | Good | 34.1 ft | 181 | 2002 |
| F36 Putnam RD over Rapid Creek | Good | 29.9 ft | 180 | 2021 |
| Johnson-iowa RD over Deer Creek | Good | 89.9 ft | 170 | 2019 |
| F20 Amana RD over Br Iowa River | Good | 28.9 ft | 160 | 2018 |
| 2nd Avenue over S Branch Ralston Creek | Good | 34.1 ft | 158 | 2022 |
| SW Naples AVE over Old Manscreek | Good | 246.1 ft | 150 | 1985 |
| Half Moon AVE over Deer Creek | Good | 32.5 ft | 143 | 2022 |
| SW Maier AVE over Old Mans Creek | Good | 226.0 ft | 140 | 1996 |
| FM SW Angle AVE over Deer Creek | Good | 115.2 ft | 140 | 1995 |
| Kansas AVE over Deer Creek | Good | 26.9 ft | 140 | 1994 |
| Swan Lake RD over Br Iowa River | Good | 83.7 ft | 131 | 2018 |
| Local RD over I-380 | Good | 250.0 ft | 131 | 1971 |
| Lower W Br RD over Wapsinonoc CR | Good | 69.9 ft | 120 | 2017 |
| Ireland AVE over Deer CR | Good | 26.9 ft | 120 | 2005 |
| SW Naples AVE over Br Old Man CR | Good | 24.0 ft | 102 | 1997 |
| FM SW Ivy AVE over Old Womens CR | Good | 26.9 ft | 100 | 1977 |
| Poweshiek ST over US 218 | Good | 290.0 ft | 100 | 1983 |
| Seven Sis RD over Hoosier Creek | Good | 89.9 ft | 92 | 2005 |
| Rohret RD over Branch Old Mans Creek | Good | 49.9 ft | 90 | 2022 |
| Linn-johnson RD over Stream | Good | 24.0 ft | 81 | 2001 |
| FM 3 Co Br RD over Br Prairie Creek | Good | 26.9 ft | 80 | 1997 |
| W38 Black Hawk AVE over Old Mans Creek | Good | 179.5 ft | 80 | 2020 |
| 560th ST over Br Deer Creek | Good | 21.0 ft | 70 | 1999 |
| SW Hazlwood AVE over Old Mans Creek | Good | 216.9 ft | 70 | 1991 |
| Northgate DR over Trib. To Rapid Creek | Good | 23.0 ft | 66 | 2003 |
| Johnson Ia RD over Stream | Good | 95.1 ft | 61 | 2015 |
| SE 680th ST over Richey CR | Good | 75.1 ft | 60 | 1996 |
| FM Rohret RD over Old Womens CR | Good | 24.0 ft | 60 | 2004 |
| Local over Small Stream | Good | 22.0 ft | 60 | 1999 |
| Local over Small Stream | Good | 22.0 ft | 60 | 1999 |
| Polk AVE over Lingle Creek | Good | 103.0 ft | 59 | 1986 |
| 560th ST SW over Stream | Good | 23.0 ft | 51 | 1900 |
| SW Eagle Avenue over F Old Mans Creek | Good | 125.0 ft | 51 | 2002 |
| SW Sioux AVE over Stream | Good | 23.0 ft | 50 | 1966 |
| 280th ST over Stream | Good | 109.9 ft | 50 | 1993 |
| Calkins AVE over Knapp CR | Good | 21.0 ft | 49 | 2008 |
| Taft AVE over Br Buck Creek | Good | 24.0 ft | 46 | 2016 |
| Utah AVE over Stream | Good | 52.5 ft | 45 | 2023 |
| Copi RD over Clear Creek | Good | 103.0 ft | 42 | 2015 |
| S.w.lackender over Picayune Creek | Good | 44.0 ft | 41 | 1994 |
| Local over Dirty Face Creek | Good | 25.9 ft | 40 | 1997 |
| James AVE over Stream | Good | 23.6 ft | 40 | 2023 |
| Osage RD over Small Stream | Good | 24.9 ft | 40 | 1989 |
| Liberty Drive over Snyder Creek | Good | 21.0 ft | 40 | 1998 |
| Naples AVE over Hoosier CR | Good | 22.0 ft | 39 | 2000 |
| SW 360th ST over N Br Old Mans CR | Good | 20.0 ft | 35 | 1998 |
| Local over Small Stream | Good | 24.0 ft | 30 | 1997 |
| SW Kansas AVE over Old Mans Creek | Good | 185.0 ft | 30 | 2000 |
| Rohret RD over N Fork Old Man Creek | Good | 169.9 ft | 30 | 1979 |
| Calkins AVE over Old Mans Creek | Good | 229.0 ft | 30 | 1999 |
| Jasper AVE over Stream | Good | 24.0 ft | 15 | 2018 |
| Eagle AVE over Clear Creek | Good | 129.9 ft | 15 | 1993 |
| NW Baxter AVE over Knapp Creek | Good | 115.2 ft | 15 | 1995 |
| Naples AVE SW over Old Mans Creek | Good | 26.9 ft | 11 | 1985 |
| Strawbridge RD over Rapid Creek | Good | 47.6 ft | 11 | 2019 |
| 1st AVE SB over I 80 | Good | 205.1 ft | 0 | 2024 |
| I 380 SB over I 80 | Good | 374.3 ft | 0 | 2023 |