| I-380 over E and F Ave NW Cedar Rvr | 1979 | 57,600 | Fair |
| SB I-380 over Cc RR & Ash Pit | 1979 | 41,000 | Fair |
| NB I 380 over J Ave NE | 1980 | 38,800 | Fair |
| NB I-380 over Cc RR | 1980 | 38,800 | Fair |
| NB I-380 over H Ave NE | 1980 | 38,800 | Fair |
| SB I-380 over Cc RR | 1980 | 38,800 | Fair |
| SB I-380 over H Ave NE | 1980 | 38,800 | Good |
| SB I-380 over J Ave NE | 1980 | 38,800 | Fair |
| NB I-380 over Coldstream Ave NE | 1980 | 35,400 | Fair |
| SB I-380 over Coldstream Ave NE | 1980 | 35,400 | Fair |
| I 380 NB over 15TH & 16TH Av SW | 1975 | 34,450 | Fair |
| I 380 SB over 15TH & 16TH Ave SW | 1975 | 34,450 | Fair |
| SB I-380 over City Streets UP &ccp RR | 1979 | 34,350 | Fair |
| NB I-380 over 42ND St | 1981 | 32,850 | Fair |
| NB I-380 over Cc RR & Ash Pit | 1979 | 32,300 | Fair |
| NB I-380 over City Sts Ccp& UP RR | 1979 | 31,850 | Fair |
| NB I-380 over Cic RR & City St | 1975 | 31,400 | Fair |
| NB I-380 over over UP RR | 1974 | 31,400 | Fair |
| SB I-380 over Cic RR & City St | 1975 | 31,400 | Fair |
| SB I-380 over over UP RR | 1974 | 31,400 | Good |
| NB I-380 over Cic RR & 8TH Ave | 1973 | 30,200 | Fair |
| I 380 SB over Ia 922 | 1979 | 28,800 | Fair |
| NB I 380 over 33RD Ave | 1974 | 28,600 | Fair |
| SB I-380 over 33RD Ave | 1974 | 28,600 | Fair |
| US 30 151 & 218 over Creek | 1975 | 28,500 | Fair |
| SB I-380 over 42ND St | 1981 | 28,050 | Fair |
| I 380 NB over Ia 922 | 1979 | 26,000 | Fair |
| I 380 SB over Cic RR & 8TH Ave | 1975 | 26,000 | Fair |
| NB I-380 over 5TH Ave SW | 1975 | 26,000 | Fair |
| SB I-380 over 5TH Ave SW | 1975 | 26,000 | Fair |
| C Ave NE over Dry Run Creek | 1975 | 23,000 | Fair |
| US 30 & 151 over Drainage Ditch | 1975 | 22,500 | Fair |
| US 151 over Creek | 1960 | 22,400 | Fair |
| I 380 NB over US 30 | 1975 | 21,900 | Fair |
| I 380 SB over US 30 | 1975 | 21,400 | Fair |
| 7TH Ave over Indian Creek | 1994 | 20,679 | Fair |
| Edgewood Rd over Ia 100 | 2016 | 18,581 | Good |
| Council St NE over Dry Creek | 2003 | 17,285 | Good |
| Boyson Road over I-380 | 1982 | 16,284 | Good |
| EB US 30 over over Cic RR | 1979 | 15,750 | Fair |
| EB US 30 over over Cic RR Spur | 1980 | 15,750 | Fair |
| US 30 EB over UP RR 21ST St SW Creek | 1980 | 15,750 | Fair |
| US 30 WB over UP RR 21ST St SW Creek | 1980 | 15,750 | Fair |
| WB US 30 over over Cic RR Spur | 1980 | 15,750 | Fair |
| WB US 30 over Cic RR | 1979 | 15,000 | Fair |
| Boyson Rd over Dry Creek | 2000 | 14,100 | Fair |
| Ia 100 over Center Point Rd | 1981 | 14,000 | Fair |
| Ia 100 over I-380 & Ccp RR | 1982 | 14,000 | Fair |
| Ia 100 over Wanatee Creek | 1995 | 14,000 | Fair |
| Boyson Rd over Tributary of Dry Creek | 1976 | 13,287 | Fair |
| Ia 922-1st Ave over Cedar River | 1920 | 13,000 | Fair |
| I 380 NB over East Otter Creek | 1983 | 12,850 | Good |
| I 380 SB over East Otter Creek | 1983 | 12,850 | Fair |
| NB I-380 over West Otter Creek | 1983 | 12,850 | Fair |
| SB I-380 over West Otter Creek | 1983 | 12,850 | Good |
| US 30 over Stream | 1951 | 12,000 | Fair |
| EB US 30 over Pleasant Run | 2002 | 11,750 | Good |
| US 30 EB over Cedar River | 2022 | 11,750 | Good |
| WB US 30 over Cedar River | 1975 | 11,750 | Fair |
| WB US 30 over Pleasant Run | 1975 | 11,750 | Fair |
| Ia 100 over Cedar River & Ianr RR | 2016 | 11,500 | Good |
| Wilson Ave over I-380 | 1972 | 11,089 | Good |
| EB Ia 100 over Indian Creek | 1995 | 11,050 | Good |
| Ia 100 WB over Indian Creek | 1995 | 11,050 | Good |
| 6TH St.sw. over US 30 | 1975 | 10,989 | Fair |
| 8TH Ave over Indian Creek | 1988 | 10,789 | Poor |
| I 380 NB over West Blue Creek | 1982 | 10,750 | Good |
| I 380 SB over East Blue Creek | 1982 | 10,750 | Fair |
| NB I-380 over East Blue Creek | 1982 | 10,750 | Good |
| SB I-380 over West Blue Creek | 1982 | 10,750 | Good |
| 33RD Ave SW over UP and Crandic RR | 2006 | 10,700 | Good |
| 33RD Ave SW over Unnamed Tributary | 2006 | 10,700 | Good |
| 33RD Ave over Crandic RR | 2006 | 10,700 | Fair |
| Edgewood Rd over Crandic RR | 2009 | 10,700 | Good |
| Edgewood Rd over Prairie Creek & UP RR | 2009 | 10,700 | Good |
| WB Coll Ia 100 over I-380 | 1982 | 10,700 | Fair |
| WB Coll Ia 100 over over Cc RR & Bike Trail | 1982 | 10,300 | Fair |
| Edgewood Rd NE over Cedar River & RR | 1969 | 10,268 | Poor |
| Bowling St over Prairie Creek | 1979 | 10,184 | Fair |
| Bowling St over over UP RR | 1980 | 10,184 | Fair |
| Edgewood Rd over US 30 | 1980 | 10,090 | Fair |
| Wright Bros Blv over I-380 | 1971 | 9,990 | Fair |
| US 151 over Drainage Ditch #2 | 2020 | 9,900 | Good |
| US 151 & Ia 13 over Big Creek | 1998 | 9,850 | Good |
| US 151 & Ia 13 over over UP RR | 1998 | 9,850 | Good |
| Center Point Rd over over Cc RR | 1968 | 9,703 | Poor |
| NB US 151& Ia 13 over Big Creek | 1965 | 9,650 | Fair |
| US 151 & Ia 13 over UP RR | 1964 | 9,650 | Fair |
| 6TH St over over UP RR | 1948 | 9,391 | Fair |
| 8TH Ave over Cedar River | 1938 | 9,382 | Poor |
| Blairsferry Rd over Trib to Cedar River | 1968 | 9,300 | Fair |
| EB US 30 over Cedar River Trail | 1976 | 9,300 | Good |
| WB US 30 over Cedar River Trail | 1974 | 9,300 | Fair |
| Blairsferry Rd over I 380 | 1980 | 8,891 | Fair |
| C Street over US 30 | 1976 | 8,591 | Fair |
| 6TH St SW over Prairie Creek | 2010 | 8,588 | Good |
| I 380 NB Off Ramp over 8TH Ave SW | 1975 | 8,500 | Fair |
| 6TH St SW over Hoosier Creek | 2023 | 8,292 | Good |
| 44TH Street over Wanatee Creek | 1980 | 8,192 | Fair |
| 10TH St over Indian Creek | 1999 | 8,092 | Fair |
| US 151 over Drainage Ditch | 2020 | 7,800 | Good |
| US 151 over Prairie Creek | 2021 | 7,800 | Good |
| US 151 over UP RR | 2020 | 7,800 | Good |
| EB US 30 over Morgan Creek | 1992 | 7,700 | Fair |
| SE Ramp I-380 over over Cc RR & Trail | 1982 | 7,700 | Fair |
| WB US 30 over Morgan Creek | 1992 | 7,700 | Good |
| E-34 -toddville over I 380 | 1983 | 7,692 | Good |
| EB Ramp F over J Street SW | 1975 | 7,600 | Fair |
| I 380 Ramp over Ramp F over I-380 | 1975 | 7,600 | Good |
| I-380 Ramp F EB over US 30 & 151 | 1975 | 7,600 | Fair |
| 30 W to 380 N Ramp over J St SW | 1975 | 7,500 | Fair |
| Ramp Br D-4 over City St Row | 1979 | 7,500 | Good |
| I 380 SB Off Ramp over City St R.o.w | 1979 | 7,400 | Fair |
| 7TH St NE over I-380 | 1972 | 7,300 | Good |
| Covington Rd over Morgan Creek | 1955 | 7,300 | Fair |
| E Post Rd over Indian Creek | 2010 | 7,200 | Good |
| Mt Vernon Rd over Indian Creek | 1969 | 7,169 | Fair |
| Mt Vernon Rd over Wanatee Creek | 1969 | 7,169 | Fair |
| SB US 151 over East Big Creek | 1961 | 7,150 | Fair |
| 29TH Ave over Indian Creek | 2008 | 7,094 | Good |
| Central Avenue over Indian Creek | 2001 | 7,094 | Good |
| NB US 151 over Big Creek | 1992 | 7,000 | Good |
| SB US 151 over Crab Apple Creek | 1992 | 7,000 | Fair |
| US 151 NB over Crab Apple Creek | 2021 | 7,000 | Good |
| E34(CO Home Rd) over Berrys Run | 2013 | 6,874 | Good |
| SB US 151 over Big Creek | 1960 | 6,650 | Fair |
| 29TH Ave over Wanatee Creek | 2011 | 6,593 | Good |
| NB US 151 over Big Creek | 1992 | 6,500 | Good |
| WB 15TH Ave over over UP RR & Street | 1983 | 6,454 | Fair |
| 60TH Ave SW over Stream | 1991 | 6,447 | Fair |
| Kirkwood Blvd over US 30 | 1975 | 6,394 | Good |
| NB US 151/922 over US 30 W Jct | 1980 | 6,300 | Fair |
| Co Home Rd over Dry Creek | 2010 | 6,285 | Good |
| 44TH Street over Wanatee Creek | 2001 | 5,894 | Good |
| 29TH St Dr SE over Indian Creek | 1972 | 5,800 | Fair |
| Co Home Rd over Indian Creek | 1993 | 5,794 | Good |
| E.robins Rd over Christopher Creek | 1985 | 5,794 | Good |
| Ia 100 EB over Old Ferry Rd | 2016 | 5,750 | Good |
| Ia 100 WB over Ushers Ferry Rd & Ck | 2016 | 5,750 | Good |
| Glass Rd over over Cc RR & Mccloud Run | 1980 | 5,700 | Fair |
| Ia 100 EB over Ushers Ferry Rd & Ck | 2016 | 5,700 | Good |
| Ia 100 WB over Old Ferry Rd | 2016 | 5,700 | Good |
| Covington Rd over Silver Creek | 1955 | 5,696 | Poor |
| Ia 1 over Cedar River | 1992 | 5,600 | Good |
| Ia 1 over Stream | 1991 | 5,600 | Good |
| Ia 13 over Heatons Creek | 1976 | 5,600 | Fair |
| Ia 13 over Wapsipinicon River | 1973 | 5,600 | Fair |
| Franklin St over Branch Blue Creek | 2019 | 5,513 | Good |
| Blairsferry Rd over Otter Creek | 1971 | 5,401 | Good |
| Center Point Rd over East Otter Creek | 2023 | 5,401 | Good |
| US 30 EB over Spring Creek | 2019 | 5,400 | Good |
| US 30 WB over Spring Creek | 2019 | 5,400 | Good |
| US 30 over Drainage | 2018 | 5,400 | Good |
| W Main St over Dry Creek | 2010 | 5,369 | Good |
| 12TH Ave over Cedar River & Rd | 1974 | 5,228 | Fair |
| SR W-36 over I-380 | 1983 | 5,205 | Good |
| Covington Rd over Lone Tree Creek | 1925 | 5,200 | Poor |
| Ia 13 over Stream | 1975 | 5,200 | Fair |
| 76TH Ave SW over I-380 | 1975 | 5,100 | Fair |
| Ely Rd over Abandoned RR | 1976 | 5,095 | Fair |
| Ely Rd over Pleasant Run Creek | 1958 | 5,008 | Good |
| Ia 13 over Buffalo Creek | 1976 | 4,970 | Good |
| Ia 13 over Nugents Creek | 1968 | 4,970 | Fair |
| Ia 13 over Stream | 1976 | 4,970 | Fair |
| C St. over Prairie Creek | 1964 | 4,910 | Poor |
| Covington Rd over Ia 100 | 2015 | 4,910 | Good |
| A Ave over 4TH St & RR | 1974 | 4,860 | Fair |
| Glass Rd over I-380 | 1980 | 4,855 | Fair |
| US 30 WB over Willow Creek Road | 2018 | 4,750 | Good |
| US 30 EB over Willow Creek Road | 2019 | 4,700 | Good |
| I 380 SB Off Ramp over 2ND St NE | 1979 | 4,650 | Fair |
| Ia 1 over Abbe Creek | 2016 | 4,570 | Good |
| Blairs Ferry Rd over Mud Lake | 1984 | 4,419 | Fair |
| Blairs Ferry Rd over Red Cedar River | 1984 | 4,419 | Fair |
| 8TH St NE over I-380 | 1972 | 4,410 | Fair |
| J St over Prairie Creek | 1964 | 4,121 | Poor |
| Cottage Grove over Indian Creek | 1948 | 3,980 | Fair |
| I 380 NB on Ramp over 2ND St NE | 1979 | 3,980 | Fair |
| W42 80TH St SW over US 30 | 2018 | 3,849 | Good |
| E Ave NW over Stream | 1900 | 3,610 | Good |
| NB Ia 13 over East Indian Creek | 1973 | 3,600 | Fair |
| NB Ia 13 over over Cc RR | 1973 | 3,600 | Good |
| NB US 151 over US 30 (e.jct) | 1965 | 3,600 | Fair |
| SB Ia 13 over East Indian Creek | 1987 | 3,600 | Good |
| SB Ia 13 over over Cc RR | 1973 | 3,600 | Fair |
| Stoney Point Rd over US 30 & US 218 | 1985 | 3,596 | Good |
| Emmons St over I-380 | 1980 | 3,500 | Good |
| E Ave Northwest over Cedar River | 1979 | 3,461 | Poor |
| 16TH Ave EB over over UP RR & Street | 1937 | 3,200 | Poor |
| 16TH Ave over Cedar River | 1989 | 3,197 | Good |
| Main St over Wapsipinicon River | 1952 | 3,187 | Fair |
| Ia 100 EB over Ellis Rd Silver Creek | 2016 | 3,150 | Good |
| Ia 100 WB over Ellis Rd Silver Creek | 2016 | 3,150 | Good |
| State St over Rogers Creek | 2007 | 2,981 | Good |
| Franklin St over Grubs Creek | 1976 | 2,930 | Fair |
| Miller Road over Tower Creek | 1996 | 2,740 | Fair |
| EB Coll Ia 100 over I-380 | 1982 | 2,670 | Fair |
| Coldstream Ave over Mccloud Run | 1980 | 2,650 | Fair |
| N Centerpoint over East Blue Creek | 1930 | 2,583 | Poor |
| N Centerpoint over East Blue Creek | 1926 | 2,583 | Fair |
| E Ave over Vinton Ditch | 1980 | 2,579 | Fair |
| Dean Rd over Trib to Prairie Creek | 2009 | 2,541 | Good |
| First St over UP RR | 1934 | 2,532 | Fair |
| Grant St over Drainage | 1977 | 2,455 | Fair |
| Shaver Rd NE over Mccloud Run | 2023 | 2,450 | Good |
| Lucore Rd over Indian CR | 1972 | 2,445 | Fair |
| Mill St. over E Blue Creek | 1940 | 2,350 | Fair |
| SB US 151/922 over US 30 W Jct | 1980 | 2,270 | Fair |
| Waconia Ave over Willow Creek | 1975 | 2,257 | Fair |
| F Ave Northwest over Cedar River | 1979 | 2,193 | Poor |
| Ia 100 EB over 16TH Ave Access | 2017 | 2,170 | Good |
| Ia 100 WB over 16TH Ave Access Rd | 2017 | 2,170 | Good |
| US 30 EB over Ia 1 | 2019 | 2,165 | Good |
| US 30 WB over Ia 1 | 2019 | 2,165 | Good |
| E 48 E Ave over Ia 100 | 2018 | 2,141 | Good |
| EB Coll Ia 100 over over Cc RR & Bike Path | 1982 | 2,140 | Good |
| Palo Marsh Rd over Bear Creek | 1982 | 2,082 | Good |
| Troy Mills Rd over Wapsipinicon River | 1951 | 2,033 | Poor |
| Beverly Rd over Bowling Ball CR | 2003 | 2,013 | Fair |
| 50TH Ave Southwest over Drainage Ditch | 1960 | 1,949 | Fair |
| Co Home Rd over Big Creek | 2006 | 1,935 | Good |
| Co Home Rd over Crapapple Creek | 2006 | 1,935 | Good |
| Broadway St over E Big Creek | 1956 | 1,910 | Fair |
| Alburnett Rd over Dry Creek | 1996 | 1,895 | Good |
| Lewis Access Rd over Cedar River | 1961 | 1,866 | Fair |
| Mentzer Rd over Dry Creek | 1985 | 1,860 | Good |
| 1ST St over Dry Creek | 1955 | 1,828 | Fair |
| I 380 NB Off Ramp over 3RD St NW | 1979 | 1,780 | Fair |
| Tower Ter.rd. over Trib. Otter Creek | 1985 | 1,777 | Good |
| E16 Sawyer Rd over Heaton Creek | 2018 | 1,768 | Good |
| Northbrook Dr over Dry Creek | 1972 | 1,755 | Poor |
| W Grant St over E Blue Creek | 1995 | 1,753 | Fair |
| Cedar River Rd. over Bales Branch CR. | 1983 | 1,738 | Good |
| Wright Bros Blv over Hoosier Creek | 1985 | 1,728 | Fair |
| Mt Vernon Rd over Abbey Creek | 1974 | 1,669 | Fair |
| Mt Vernon Rd over Allen Creek | 1974 | 1,669 | Fair |
| Mt.vernon Rd over Big Creek | 1984 | 1,669 | Fair |
| Secrist Rd over Big Creek | 2005 | 1,660 | Good |
| Secrist Rd over Simmons Creek | 1989 | 1,660 | Good |
| Ia 100 EB over Morgan Creek | 2016 | 1,640 | Good |
| Ia 100 WB over Morgan Creek | 2016 | 1,640 | Good |
| 2ND Ave SW (WB) over Cedar River | 1906 | 1,629 | Fair |
| 3RD Ave SE (EB) over Cedar River | 1912 | 1,610 | Poor |
| J Ave NE over Mcclouds Run | 1979 | 1,597 | Fair |
| Ia 100 WB Off Ramp over Morgan Creek | 2016 | 1,530 | Good |
| Linn-benton Rd over Trib to Knapp Creek | 1972 | 1,530 | Fair |
| 18TH St SW over Drainage Ditch | 1978 | 1,494 | Poor |
| Center Pt. Rd. over West Otter Creek | 2004 | 1,463 | Good |
| C Ave N.E. over Dry Creek | 1992 | 1,453 | Fair |
| Ia 100 EB on Ramp over Morgan Creek | 2016 | 1,440 | Good |
| Troy Mills Rd over Trib.to Wapsipinicon R | 1925 | 1,424 | Fair |
| Ellis Rd over Morgan Creek | 1996 | 1,403 | Fair |
| I 380 SB on Ramp over 2ND St NE | 1979 | 1,400 | Fair |
| 27TH St SW over Drainage | 2016 | 1,310 | Good |
| J St over US 30 | 1975 | 1,261 | Fair |
| SR E2W over I-380 | 1984 | 1,257 | Fair |
| Urbana Rd over East Blue Creek | 1987 | 1,257 | Fair |
| Urbana Rd over West Blue Creek | 1987 | 1,257 | Fair |
| Tower Terr.rd. over Otter Creek | 1984 | 1,237 | Good |
| Lisbon Boulevard over US 30 | 2019 | 1,208 | Good |
| SB US 151-ia 13 over US 30 | 1975 | 1,140 | Fair |
| Winslow Rd over Indian Creek | 2002 | 1,129 | Poor |
| Winslow Rd over Trib Indian Creek | 1999 | 1,129 | Fair |
| E16 Sawyer Rd over Trib to Buffalo Creek | 2024 | 1,121 | Good |
| Sawyer Rd over Buffalo Creek | 1973 | 1,100 | Fair |
| Sawyer Rd over Sawyer Creek | 1925 | 1,100 | Fair |
| C St Rd over Hoosier Creek | 1984 | 1,099 | Fair |
| Washington St over Apple Creek | 1935 | 1,070 | Fair |
| 5TH St over E Big Creek | 1986 | 1,069 | Fair |
| Jappa Rd. over Pleasant Run | 1997 | 1,061 | Fair |
| E16 Centralcityrd over West Otter Creek | 2020 | 1,011 | Good |
| Coggon Rd over Trib. to Wapsi River | 1974 | 992 | Good |
| D62 Coggon Rd over Walton Creek | 2023 | 992 | Good |
| US 30 EB to Ia 100 over US 30 | 1985 | 990 | Good |
| Central City Rd over East Otter Creek | 1962 | 982 | Poor |
| Ia 100 EB over US 30WB/US 218NB on Ramp | 2018 | 950 | Good |
| 27TH Ave over I-380 | 1975 | 939 | Fair |
| Front Dr. over Otter Creek | 1990 | 923 | Fair |
| Club Rd over South Hoosier Creek | 1979 | 913 | Fair |
| Tower Terrace EB over I 380 | 2022 | 885 | Good |
| Tower Terrace WB over I 380 | 2022 | 885 | Good |
| Main St over Rogers Creek | 2001 | 875 | Good |
| Cottage Gr.pwy over Wanatee Creek | 1984 | 864 | Fair |
| Hollenbeck Rd over Bear Creek | 2022 | 864 | Good |
| Springville Rd over Abbe Creek | 1960 | 845 | Fair |
| Lisbon Blvd over Spring Creek | 2017 | 786 | Good |
| Ia 100 WB over US 30 | 2018 | 740 | Good |
| Ia 100WB to US30EB over US 30 EB to Ia 100 EB | 2018 | 740 | Good |
| Linn-benton Rd over Knapp Creek | 1972 | 730 | Fair |
| D62 Spencers Grove over Small Natural Stream | 2018 | 707 | Good |
| Ellis Rd over Silver Creek | 1990 | 707 | Fair |
| Springville Rd over Elbow Creek | 1960 | 687 | Good |
| Lefebure Rd over Trib to Prairie Creek | 2022 | 648 | Good |
| FM E-66 over Oscar Creek | 1917 | 640 | Poor |
| Squaw Cr.rd. over Wanatee Creek | 1999 | 618 | Fair |
| Sutliff Rd over Spring Creek | 1962 | 610 | Fair |
| Sutliff Rd over US 30 | 2017 | 610 | Good |
| Vine St over Apple Creek | 2020 | 583 | Good |
| Monticello Rd over Trib Boulder CR | 1960 | 530 | Fair |
| North St over Dry Creek | 1959 | 530 | Fair |
| E26 Burnett Sta Rd over Indain Creek | 2021 | 520 | Good |
| Prairieburg Rd over Buffalo Creek | 1974 | 520 | Fair |
| Ivanhoe Rd over Pleasant Run Ck | 1985 | 511 | Fair |
| 8TH Avenue over Wanatee Creek | 2003 | 510 | Fair |
| Westwood Dr NW over Vinton Ditch | 1979 | 472 | Fair |
| Roosevelt St over East Otter Creek | 1999 | 471 | Good |
| Alburnett Rd over River Bend Creek | 1963 | 462 | Poor |
| Jordans Grov Rd over Heatons Creek | 2002 | 442 | Fair |
| Worchester Rd over Morgan Creek | 2000 | 439 | Poor |
| Waubeek Rd over Ricochet Creek | 2001 | 373 | Good |
| Jordans Grove Rd over Wapsipinicon River | 2020 | 371 | Good |
| Martelle Rd over Elbow Creek | 1977 | 363 | Fair |
| Otis Rd over Indian Creek | 2006 | 353 | Fair |
| Paris Rd over River Bend Creek | 1963 | 344 | Fair |
| Paris Rd over Wapsipinicon River | 1954 | 344 | Fair |
| E 48 E Ave over Morgan Creek | 2016 | 304 | Good |
| Rosedale Rd over Indian CR | 1890 | 299 | Poor |
| 80TH St N.W. over Morgan Creek | 1992 | 295 | Good |
| Innovation Dr SW over Hoosier Creek | 2023 | 289 | Good |
| 19TH St W over Drainage | 1977 | 283 | Fair |
| Ivanhoe Rd over Dills Run | 2006 | 255 | Fair |
| Midway Rd over E Otter CR | 2005 | 255 | Good |
| Midway Rd over I-380 | 1983 | 255 | Good |
| Rolling Acre Rd over East Blue Creek | 2002 | 255 | Good |
| Rolling Acre Rd over East Blue Creek Trib to | 2002 | 255 | Good |
| Jordans Grv Rd over Crabapple | 1998 | 246 | Fair |
| Lafayette Rd over West Otter Creek | 2007 | 246 | Good |
| Rowley St over Drainage | 2005 | 243 | Good |
| 5TH Ave over Little Big Creek | 1915 | 232 | Poor |
| State St over Apple Creek | 1989 | 232 | Fair |
| Boyscouts Rd over Wapsipinicon River | 1976 | 226 | Good |
| Paris Rd over East Otter Creek | 2000 | 216 | Good |
| North 3RD St over Buffalo Creek | 2022 | 210 | Good |
| Old River Rd over Pleasant Run CR. | 1985 | 207 | Fair |
| 26TH St SW over Prairie Creek | 1967 | 205 | Fair |
| 50TH Street over Wanatee Creek | 1998 | 201 | Good |
| Linn-benton Rd over Bear CR | 1948 | 196 | Fair |
| E Cemetery Rd over Trib to Prairie Creek | 1981 | 187 | Fair |
| Chain Bridge Road over Lone Tree Creek | 1984 | 171 | Fair |
| Quail Ridge Rd over Nelson Creek | 1992 | 157 | Fair |
| Durow Rd over Blue Creek | 1951 | 148 | Fair |
| Otter Rd over West Otter Creek | 2006 | 148 | Fair |
| Cedar Ridge Rd. over Blue Creek | 1989 | 147 | Poor |
| Linn-benton Rd. over Morgan Creek | 1993 | 147 | Fair |
| Matsell Pk Rd over Wapsipinicon River | 1939 | 147 | Poor |
| Linn-benton Rd over Prairie Creek | 1947 | 140 | Fair |
| Sutton Rd over Wapsipinicon River | 1879 | 140 | Poor |
| 76TH Ave SW over Tissle Hollow Creek | 2010 | 137 | Fair |
| Alice Rd over Trib W Otter Creek | 1996 | 137 | Fair |
| Hagerman Rd over W Otter Creek | 1983 | 137 | Good |
| Indian Bound.rd over Trib Cedar R | 1997 | 137 | Fair |
| Quail Ridge Rd over I-380 | 1983 | 137 | Good |
| Spanish Rd over Hoosier Creek | 2008 | 137 | Fair |
| Spanish Rd over South Hoosier Creek | 1987 | 137 | Fair |
| Big Creek Rd. over Big Creek | 1929 | 130 | Poor |
| Ely St over Big Creek | 2017 | 130 | Good |
| Bettys Grove Rd over E Blue Creek | 2001 | 128 | Good |
| Bettys Grove Rd over East Blue Creek | 1988 | 128 | Fair |
| C St Rd over S Hoosier CR | 1985 | 128 | Fair |
| Green Ridge Rd over Spring CR | 1998 | 128 | Fair |
| Green Ridge Road over US 30 | 2018 | 128 | Good |
| Huntington Hill Rd over Berrys Run | 2002 | 128 | Good |
| Ink Road over Trib to Abbe Creek | 1987 | 128 | Fair |
| Standing Rock Road over US 30 | 2018 | 128 | Good |
| Wiley Rd over E. Blue Creek | 1990 | 128 | Fair |
| Martin Cr.rd. over Martins CR | 1972 | 120 | Poor |
| Troy Rd over Dry Creek | 2004 | 120 | Good |
| Abbe Hills Rd over Turtle Creek | 1993 | 118 | Fair |
| Hagerman Rd over I-380 | 1983 | 118 | Good |
| Vista Rd over Hoosier Creek | 1988 | 113 | Fair |
| Old Br.rd. over Prairie Creek | 1906 | 110 | Poor |
| Abbe Hills Rd over Stream | 2016 | 108 | Good |
| E Otter Rd over East Otter Creek | 1978 | 108 | Fair |
| Hutchinson Rd over Heaton Creek | 2012 | 108 | Fair |
| Local over Silver Creek | 1991 | 108 | Good |
| Tissel Hollowrd over Tissel Hollow Creek | 2009 | 108 | Fair |
| N Linn St over East Blue Creek | 1995 | 104 | Fair |
| Burnett Sta.rd. over Trib East Indian Creek | 2003 | 98 | Fair |
| Burr Oaks Rd over Big Creek | 2004 | 98 | Good |
| Smyth Rd over Abbe Creek | 1998 | 98 | Fair |
| Valley Farm Rd over Heatons Creek | 2012 | 98 | Fair |
| Wapsie Banks Rd over Trib to Wapsipinicon | 1992 | 98 | Fair |
| Hollenbeck Rd over Gannon Creek | 1998 | 97 | Good |
| Linn-dela Rd over Buffalo Creek | 2000 | 97 | Fair |
| Old Center Rd over E Otter Creek | 2000 | 97 | Fair |
| Spring Cr.rd. over Spring Creek | 1992 | 97 | Good |
| Mccloud Pl NE over Mccloud Run | 2019 | 95 | Good |
| Rogers CR Rd over Rogers CR | 1989 | 94 | Fair |
| Austin Rd over E Indian Creek | 1994 | 90 | Good |
| Alderman Rd over East Big Creek | 1993 | 88 | Fair |
| Anderson Rd over Buffalo Creek | 1981 | 88 | Fair |
| Bloomington Rd over Big Creek | 2016 | 88 | Good |
| Campfire Rd over Trib to Wapsipinicon R | 1997 | 88 | Good |
| Hills Mill Rd over Buffalo Creek | 1940 | 88 | Poor |
| Linn Grove Rd over Elbow Creek | 1990 | 88 | Fair |
| Linn-benton Rd over Gannon Creek | 2002 | 88 | Good |
| Linn-benton Rd over Little Gannon Ck | 1992 | 88 | Fair |
| Local over Trib Buffalo Creek | 1994 | 88 | Fair |
| Prairie Main Rd over Cedar Creek | 2000 | 88 | Fair |
| Walford Road over I 380 | 1971 | 84 | Good |
| Light Rd over Spring Creek | 1998 | 79 | Fair |
| Paralta Rd over Simmons Creek | 1993 | 79 | Fair |
| Sutton Rd over Trib to Walnut Creek | 2015 | 79 | Good |
| Elbow CR Rd over Elbow CR | 2000 | 78 | Fair |
| Game Club Rd over Heatons Creek | 1999 | 78 | Fair |
| Henik Rd over Trib to Cedar River | 1998 | 78 | Fair |
| Maxwell Rd over Trib Wapsipinicon R | 1998 | 78 | Fair |
| Sutton Rd over Indian Creek | 2002 | 78 | Fair |
| Waubeek Rd over Trib Wapsipinicon Rvr | 2023 | 78 | Good |
| Local over Cattle Run Creek | 1993 | 71 | Fair |
| Austin Rd over Indain Creek | 1994 | 70 | Fair |
| Bolton Manor Rd over Simmons Creek | 2002 | 70 | Fair |
| Cedar Ridge Rd over I-380 | 1982 | 70 | Good |
| Cummings Fd.rd. over W Otter CR | 1956 | 70 | Fair |
| Cupola Rd over East Otter Creek | 1999 | 70 | Fair |
| Fee Rd over E Blue Creek | 2007 | 70 | Good |
| Flemingvil Rd over East Otter Creek | 1995 | 70 | Fair |
| Grubbs CR Rd over Crubb Creek | 1997 | 70 | Good |
| Marion Airpt Rd over Crabapple Creek | 1992 | 70 | Fair |
| W Blue Rd over West Blue Creek | 2010 | 70 | Good |
| E. Otter Re. over Weasel Creek | 1997 | 69 | Fair |
| Radio Rd over Crabapple Creek | 1995 | 69 | Fair |
| Red Haw Rd over Big CR | 1959 | 69 | Fair |
| Artesian Rd over Indian Creek | 1999 | 60 | Fair |
| Alderman Rd over Little Big Creek | 2000 | 59 | Fair |
| Ballard Rd over Allen Creek | 1994 | 59 | Fair |
| Ford Rd over Heatons Creek | 2002 | 59 | Fair |
| Forest Edge Rd over W Otter Creek | 2004 | 59 | Fair |
| Green Ridge Rd over Clear Creek | 1992 | 59 | Fair |
| Heatons Valley over Trib to Heatons Creek | 1997 | 59 | Fair |
| Mcnamara Rd over Trib Buffalo Creek | 1995 | 59 | Fair |
| O Conner Rd over Allen Creek | 1990 | 59 | Fair |
| Suttonrd. over Justins Creek | 1998 | 59 | Fair |
| Todd Hills Rd over Otter Creek | 1997 | 59 | Fair |
| Young Rd over Lone Tree CR | 2002 | 59 | Good |
| Burlingham Rd over Buffalo CR | 1900 | 50 | Poor |
| Edgerly Rd over Trib to Buffalo Creek | 2022 | 50 | Good |
| Arabian Rd over Dry Creek | 1991 | 49 | Fair |
| Austin Rd over Big CR | 1977 | 49 | Fair |
| Frozen Hill Rd over Buffalo Creek | 1951 | 49 | Fair |
| Hodgin Rd over Trib E Big Creek | 1986 | 49 | Good |
| Light Rd over West Spring Creek | 2004 | 49 | Fair |
| Newbold Rd over E Blue Creek | 2017 | 49 | Good |
| Nugents Rd over Buffalo Creek | 2015 | 49 | Fair |
| Seven Hills Rd over Waston Creek | 2004 | 49 | Fair |
| Wileys Rd over W Otter Creek | 2001 | 49 | Good |
| Linn Buchanan over Dead Dog Run | 1949 | 44 | Fair |
| North Marion Rd over Dry Creek | 2001 | 44 | Fair |
| Buffalo Valley Ln over Boulder Creek | 2022 | 40 | Good |
| Oak Creek Dr NW over Drainage | 1993 | 40 | Fair |
| Palisades Access over Flamingo Creek | 2024 | 40 | Good |
| Blue Creek Rd over Tribute West Blue Creek | 2007 | 39 | Fair |
| Boar Rd over I-380 | 1983 | 39 | Good |
| Frozen Hill Rd over Trib to Buffalo Creek | 2008 | 39 | Fair |
| Horn Rd over Allen Creek | 2003 | 39 | Fair |
| Nelson Ck Rd over Nelson CR | 2003 | 39 | Fair |
| Willow Cr.rd. over Willow Creek | 1996 | 39 | Fair |
| Abbe View Rd over Abbe Creek | 2003 | 34 | Fair |
| Greens Grove Rd over Nelson Creek | 1991 | 34 | Fair |
| Morgan Br Rd over Morgan Creek | 1987 | 34 | Poor |
| Morgan Br Rd over Morgan Creek | 2000 | 34 | Fair |
| Sailor Rd over Trib to Clear Creek | 2002 | 34 | Fair |
| Alderman Rd over Simmens Creek | 1996 | 33 | Fair |
| Alderman Rd over Trib Wapsipinicon River | 2007 | 33 | Good |
| Fishel Rd over E Otter Creek | 2004 | 33 | Fair |
| Indian Br.rd. over Indain Creek | 1997 | 33 | Fair |
| Linn-dela Rd over Nugents Creek | 1975 | 33 | Fair |
| Sisley Grove Rd over Morgan Creek | 1994 | 33 | Fair |
| Blodgett Rd over Trib to Justins Creek | 2005 | 29 | Fair |
| Linn Buchan Rd over Waltons Creek | 1990 | 29 | Fair |
| Lyman Rd. over E Otter CR | 2005 | 29 | Fair |
| Mc Clelland Rd over Spring CR | 2002 | 29 | Fair |
| No Marion Rd over Justins Creek | 1997 | 29 | Fair |
| Red School Rd over Heatons Creek | 1996 | 29 | Fair |
| Ring Rd over E Blue Creek | 2001 | 29 | Good |
| Ring Rd over East Blue Creek | 2003 | 29 | Good |
| Standing Rock R over Spring Creek | 1992 | 29 | Fair |
| Summer St over Crows Creek | 2005 | 29 | Fair |
| Up.boulder Rd over Bison Creek | 1995 | 29 | Fair |
| Wagner Rd over Cedar Creek | 2003 | 29 | Fair |
| West Otter Rd over W Otter Creek | 1999 | 29 | Good |
| Yeisley Rd over Elbow Creek | 2000 | 29 | Fair |
| Justins Rd over Justins Creek | 2000 | 26 | Good |
| Big Spring Rd over Crabapple Creek | 1994 | 25 | Fair |
| Linn Benton Rd over Br of Blue Creek | 2018 | 25 | Good |
| Big Springs Rd over Trib to Indian Creek | 2003 | 20 | Fair |
| Deal Rd over W Otter Creek | 2001 | 20 | Fair |
| Deal Rd over W Otter Creek Trib. to | 1997 | 20 | Fair |
| Hills Mill Rd over Boulder Creek | 2003 | 20 | Fair |
| Horseshoe Lk Rd over Trib to Cedar River | 1975 | 20 | Fair |
| Indian Bridge Rd over East Indian Creek | 2001 | 20 | Fair |
| Iowa Rd over W Otter CR Trib. to | 1977 | 20 | Fair |
| Iowa Rd over W Otter Creek | 1996 | 20 | Fair |
| Lillie Rd. over Indian Creek | 1996 | 20 | Fair |
| Red Bridge Rd over Boulder Creek | 2003 | 20 | Fair |
| Up-boulder Rd over Trib to Silver Creek | 1986 | 20 | Fair |
| Uppr Boulder Rd over Boulder Creek | 1992 | 20 | Fair |
| White Rd over Dry CR | 1989 | 20 | Fair |
| Red Bridge Rd over Buffalo CR | 1900 | 15 | Poor |
| Silver Ck Rd over Trib to Silver Creek | 2002 | 15 | Fair |