| US 69 over Zadie Creek | Poor | 35.1 ft | 610 | 1925 |
| FM over Weldon River | Poor | 177.2 ft | 421 | 1957 |
| FM over Weldon River | Poor | 253.9 ft | 379 | 1958 |
| FM over Grand River | Poor | 302.2 ft | 329 | 1959 |
| FM over North Elk Creek | Poor | 153.9 ft | 278 | 1939 |
| FM over Small Natural Stream | Poor | 21.0 ft | 278 | 1939 |
| FM over Elk Creek | Poor | 178.1 ft | 240 | 1958 |
| FM over Seven Mile Creek | Poor | 41.0 ft | 190 | 1969 |
| Local over Stream | Poor | 24.0 ft | 190 | 1960 |
| FM over Little River | Poor | 252.0 ft | 170 | 1959 |
| FM over Seven Mile Creek | Poor | 69.9 ft | 131 | 1957 |
| Local over East Fork Big Creek | Poor | 60.0 ft | 113 | 1967 |
| FM over Little River | Poor | 205.1 ft | 110 | 1957 |
| Local over Seven Mile Creek | Poor | 24.9 ft | 103 | 1963 |
| Local over Seven Mile Creek | Poor | 81.0 ft | 82 | 1980 |
| FM over Weldon River | Poor | 151.9 ft | 79 | 1951 |
| FM over Stream | Poor | 60.0 ft | 79 | 1962 |
| Local over Zadie Creek | Poor | 29.9 ft | 72 | 1964 |
| Local over Little River | Poor | 195.9 ft | 72 | 1943 |
| Local over Dickenson Branch | Poor | 100.1 ft | 62 | 1949 |
| FM over Stream | Poor | 24.0 ft | 60 | 1940 |
| FM over Pot Hole Creek | Poor | 44.0 ft | 60 | 1957 |
| FM over Stream | Poor | 57.1 ft | 60 | 1957 |
| FM over Brush Creek | Poor | 73.2 ft | 60 | 1980 |
| FM over Trib Of Little River | Poor | 80.1 ft | 60 | 1969 |
| FM over Shane Creek | Poor | 102.0 ft | 50 | 1950 |
| Local over Trib Of Dickenson Branch | Poor | 80.1 ft | 46 | 1965 |
| Local over Kilgore Creek | Poor | 41.0 ft | 46 | 1979 |
| FM over Grand River | Poor | 302.2 ft | 45 | 1962 |
| Local over Stream | Poor | 29.9 ft | 41 | 1961 |
| FM over Steele Creek | Poor | 243.1 ft | 40 | 1952 |
| FM over Elk Creek | Poor | 183.1 ft | 40 | 1900 |
| FM over Jonathon Creek | Poor | 151.9 ft | 40 | 1961 |
| Local over Weldon River | Poor | 68.9 ft | 35 | 1955 |
| Local RD over Wolf Creek | Poor | 57.1 ft | 35 | 1978 |
| 115th ST over Wolf Creek | Poor | 69.9 ft | 34 | 1957 |
| Local over Little River | Poor | 101.0 ft | 30 | 1980 |
| Local over Weldon River | Poor | 102.0 ft | 30 | 1962 |
| Local over Short Creek | Poor | 81.0 ft | 30 | 1967 |
| FM over Jonathan Creek | Poor | 106.0 ft | 29 | 1920 |
| FM over Stream | Poor | 68.9 ft | 29 | 1952 |
| FM over Bee Creek | Poor | 82.0 ft | 29 | 1957 |
| Local over Lick Branch Of Weldon R | Poor | 61.0 ft | 26 | 1958 |
| FM over Elk Creek | Poor | 95.1 ft | 26 | 1983 |
| Local over Weldon Creek | Poor | 50.9 ft | 26 | 1916 |
| FM over Weldon River | Poor | 50.9 ft | 26 | 1973 |
| FM over Long Creek | Poor | 175.9 ft | 26 | 1957 |
| Local over Stream | Poor | 43.0 ft | 21 | 1988 |
| 207th AVE over Stream | Poor | 44.0 ft | 21 | 1977 |
| Local over Kilgore Creek | Poor | 131.9 ft | 21 | 1982 |
| Local over Stream | Poor | 29.9 ft | 21 | 1961 |
| Local over Brush Creek | Poor | 82.0 ft | 21 | 1920 |
| Local over Little River | Poor | 60.0 ft | 21 | 1960 |
| Local over Long Creek | Poor | 172.9 ft | 21 | 1930 |
| FM over West Elk Creek | Poor | 82.0 ft | 20 | 1961 |
| Local over Elk Creek | Poor | 202.1 ft | 15 | 1921 |
| Local over W Fork Big Creek | Poor | 24.0 ft | 15 | 1929 |
| Local over W. Fork Big Creek | Poor | 48.9 ft | 15 | 1970 |
| FM over Weldon River | Poor | 202.1 ft | 15 | 1957 |
| Local over Elk Creek | Poor | 80.1 ft | 15 | 1961 |
| Local over Long Creek | Poor | 142.1 ft | 15 | 1915 |
| FM over Short Creek | Poor | 73.2 ft | 15 | 1929 |
| Local over Steel Creek | Poor | 134.8 ft | 11 | 1927 |
| Local over Drainage | Poor | 35.1 ft | 11 | 1976 |
| Local over Weldon River | Poor | 202.1 ft | 11 | 1966 |
| Local over Creek | Poor | 29.9 ft | 11 | 1958 |
| Local over Wolf Creek | Poor | 40.0 ft | 11 | 1964 |
| FM over Long Creek | Poor | 180.1 ft | 11 | 1968 |
| Local over Stream | Poor | 33.1 ft | 11 | 1967 |
| 117th ST over Sand Creek | Poor | 85.0 ft | 11 | 1900 |
| Local over Stream | Poor | 29.9 ft | 10 | 1966 |
| Field Entrance over Side Ditch | Poor | 41.0 ft | 10 | 1963 |
| Local over Trib Of Dickenson Branch | Poor | 84.0 ft | 5 | 1967 |
| Local over Trib Of Weldon River | Poor | 52.2 ft | 5 | 1910 |
| Local over Shane Creek | Poor | 40.0 ft | 5 | 1967 |
| Local over Weldon River | Poor | 160.1 ft | 5 | 1991 |
| Local over West Little River | Poor | 52.2 ft | 5 | 1930 |
| 250th AVE over Stream | Poor | 83.0 ft | 5 | 1972 |
| Rest Area Road over Rest Area Road | Fair | 599.1 ft | 13,800 | 1994 |
| SB I-35 over Grand River | Fair | 365.2 ft | 7,700 | 1970 |
| NB I-35 over Grand River | Fair | 365.2 ft | 7,550 | 1970 |
| SB I-35 over 310th Street | Fair | 141.1 ft | 7,250 | 1970 |
| NB I-35 over 310th ST | Fair | 177.2 ft | 7,100 | 1970 |
| NB I-35 over Stream | Fair | 22.0 ft | 7,100 | 1970 |
| NB I-35 over Stream | Fair | 26.9 ft | 7,100 | 1970 |
| SB I-35 over 324th Street | Fair | 198.2 ft | 7,000 | 1970 |
| NB I-35 over 324th Street | Fair | 198.2 ft | 6,900 | 1970 |
| US 69 & Ia 2 over Over Abandon Rr & Stream | Fair | 253.0 ft | 3,430 | 1952 |
| US 69 over Seven Mile Creek | Fair | 33.1 ft | 2,710 | 1972 |
| US 69 over I-35 | Fair | 386.2 ft | 2,080 | 1970 |
| Ia 2 over W Branch Little River | Fair | 22.0 ft | 1,960 | 1986 |
| Ia 2 over I-35 | Fair | 326.4 ft | 1,930 | 1969 |
| Ia 2 over Mcgruder Creek | Fair | 83.0 ft | 1,720 | 1984 |
| Ia 2 over Elk Creek | Fair | 174.9 ft | 1,350 | 1985 |
| Ia 2 over Brush Creek | Fair | 92.8 ft | 1,350 | 1985 |
| Ia 2 over Grand River | Fair | 291.0 ft | 1,350 | 1985 |
| Ia 2 over Stream | Fair | 21.0 ft | 1,330 | 1928 |
| Ia 2 over Brush Creek | Fair | 103.0 ft | 1,330 | 1984 |
| Ia 2 over Weldon River | Fair | 226.0 ft | 1,330 | 1984 |
| US 69 over Dickersons Branch | Fair | 53.1 ft | 1,130 | 1928 |
| Ia 2 over Stream | Fair | 24.9 ft | 930 | 1985 |
| Ia 2 over West Elk Creek | Fair | 146.0 ft | 930 | 1985 |
| US 69 over Grand River | Fair | 372.0 ft | 820 | 2011 |
| US 69 over Little River | Fair | 324.1 ft | 820 | 1953 |
| FM over Long Creek | Fair | 253.0 ft | 627 | 1957 |
| FM over Grand River | Fair | 302.2 ft | 627 | 1956 |
| FM J-20 over I 35 | Fair | 331.0 ft | 588 | 1969 |
| J14 over I-35 | Fair | 313.0 ft | 499 | 1968 |
| FM over Little River | Fair | 24.9 ft | 428 | 1979 |
| FM over Little River | Fair | 24.9 ft | 428 | 1979 |
| FM over Caleb Creek | Fair | 142.1 ft | 379 | 1977 |
| FM over Dickenson Branch | Fair | 127.0 ft | 329 | 1963 |
| FM over Lick Branch | Fair | 24.9 ft | 170 | 1989 |
| FM over Stream | Fair | 21.0 ft | 170 | 1990 |
| FM over Weldon River | Fair | 324.1 ft | 170 | 1951 |
| 280th Street over I-35 | Fair | 431.1 ft | 103 | 1970 |
| FM over Grand River | Fair | 300.9 ft | 89 | 1959 |
| 190th AVE over Trib To Dickersons Branc | Fair | 62.0 ft | 79 | 2023 |
| Local over Elk Creek | Fair | 80.1 ft | 62 | 1957 |
| Terre Haute RD over I-35 | Fair | 315.9 ft | 60 | 1970 |
| FM over Brush Creek | Fair | 43.0 ft | 60 | 1954 |
| Local over Kilgore Creek | Fair | 70.9 ft | 51 | 2001 |
| Local over Stream | Fair | 44.0 ft | 51 | 1958 |
| Local over Mormon Pool | Fair | 24.9 ft | 51 | 1995 |
| FM over I 35 | Fair | 344.2 ft | 50 | 1969 |
| FM over Trib Grand River | Fair | 21.0 ft | 50 | 1967 |
| Local over Kilgore | Fair | 99.1 ft | 41 | 2001 |
| FM over Little River | Fair | 182.1 ft | 40 | 1957 |
| FM over Stream | Fair | 43.0 ft | 40 | 1998 |
| Local over Shain Creek | Fair | 24.9 ft | 35 | 1991 |
| Local over Jonathan Creek | Fair | 80.1 ft | 35 | 1965 |
| FM over Trib Grand River | Fair | 21.0 ft | 34 | 1957 |
| Local over Shane Creek | Fair | 21.0 ft | 30 | 1978 |
| Local over Small Stream | Fair | 42.0 ft | 30 | 1997 |
| FM over Grand River | Fair | 310.0 ft | 29 | 1967 |
| 290th AVE over Weldon Creek | Fair | 80.1 ft | 29 | 2012 |
| 250th Street over I 35 | Fair | 309.1 ft | 26 | 1969 |
| FM over Little River | Fair | 50.9 ft | 26 | 2000 |
| Local over Trib To Grand River | Fair | 80.1 ft | 26 | 1969 |
| FM over Elk Creek | Fair | 69.9 ft | 26 | 1950 |
| FM over Elk Creek | Fair | 99.1 ft | 26 | 2000 |
| Local over Stream | Fair | 61.0 ft | 21 | 1954 |
| Local over Long Creek | Fair | 166.0 ft | 21 | 1984 |
| FM over Hog Creek | Fair | 69.9 ft | 20 | 1955 |
| FM over Stream | Fair | 43.0 ft | 20 | 1968 |
| FM over Turkey Run Creek | Fair | 21.0 ft | 15 | 1992 |
| FM over Weldon River | Fair | 128.0 ft | 15 | 1993 |
| Local over Stream | Fair | 29.9 ft | 15 | 2002 |
| Local over Britton Branch | Fair | 61.0 ft | 15 | 2000 |
| Local over Stream | Fair | 70.9 ft | 15 | 1910 |
| Local over Jonathan Creek | Fair | 43.0 ft | 15 | 1996 |
| FM over Stream | Fair | 21.0 ft | 15 | 1994 |
| Local over Stream | Fair | 39.0 ft | 11 | 1967 |
| Local over S Elk Creek | Fair | 107.0 ft | 11 | 2002 |
| Local over S Elk Creek | Fair | 101.0 ft | 11 | 2011 |
| H50 130th AVE over Short Creek | Fair | 24.9 ft | 11 | 1988 |
| FM over Steel Creek | Fair | 144.0 ft | 10 | 1984 |
| Field Entrance over Side Ditch | Fair | 24.0 ft | 10 | 1994 |
| Local over Indian Creek | Fair | 71.9 ft | 5 | 1905 |
| Local over Turkey Run | Fair | 70.9 ft | 5 | 1951 |
| Local over Kilgore Creek | Fair | 24.0 ft | 5 | 1994 |
| Local over Steel Creek | Fair | 134.8 ft | 5 | 1989 |
| SB I-35 over Stream | Good | 22.0 ft | 7,250 | 1970 |
| Ia 2 over Stream | Good | 21.0 ft | 1,720 | 1927 |
| FM over Jonathan Creek | Good | 116.1 ft | 421 | 2003 |
| J 66 over Stream | Good | 83.0 ft | 329 | 2013 |
| Pleasanton RD over Mcgruder Creek | Good | 123.0 ft | 329 | 2015 |
| FM over Stream | Good | 78.1 ft | 219 | 2006 |
| R15 125th AVE over Grand River | Good | 366.1 ft | 219 | 2018 |
| R15 125th AVE over Sand Creek | Good | 150.9 ft | 219 | 2019 |
| R30 150th AVE over East Fork Big Creek | Good | 21.0 ft | 210 | 2017 |
| R46 Pleasanton RD over Small Stream | Good | 22.0 ft | 110 | 2017 |
| 215th ST over Mcgruder Creek | Good | 50.9 ft | 110 | 2016 |
| Local over Dickerson Branch | Good | 24.9 ft | 103 | 2000 |
| J 52 280th ST over Dickenson Branch | Good | 61.0 ft | 103 | 2018 |
| FM over Zadie Creek | Good | 26.9 ft | 71 | 2003 |
| 198th Street over I-35 | Good | 310.0 ft | 60 | 1969 |
| FM over Brush Creek | Good | 103.0 ft | 45 | 2001 |
| Popcorn RD over Little River | Good | 25.9 ft | 41 | 2016 |
| 140th ST over Little River | Good | 50.9 ft | 41 | 2005 |
| 275th ST over Stream | Good | 43.0 ft | 40 | 2011 |
| FM over Brush Creek | Good | 132.9 ft | 40 | 2004 |
| Local over Little River | Good | 77.1 ft | 35 | 1999 |
| FM over Weldon River | Good | 230.0 ft | 34 | 1994 |
| FM over Brush Creek | Good | 41.0 ft | 34 | 2006 |
| FM over Kilgore Creek | Good | 103.0 ft | 29 | 1986 |
| Local over Short Creek | Good | 76.1 ft | 26 | 2010 |
| 225th ST over Elk Creek | Good | 172.9 ft | 21 | 2008 |
| J48 250th ST over Unnamed Trib To Grand Rv | Good | 130.9 ft | 20 | 2023 |
| FM over Grand River | Good | 293.0 ft | 20 | 1984 |
| Local over Bee Creek | Good | 128.0 ft | 20 | 1993 |
| FM over Short Creek | Good | 101.0 ft | 15 | 1994 |
| Local over Steel Creek | Good | 121.1 ft | 11 | 1999 |
| Local over Stream | Good | 53.1 ft | 11 | 2005 |
| Local over Stream | Good | 40.0 ft | 11 | 2003 |
| FM over Weldon River | Good | 252.0 ft | 10 | 2003 |
| 290th ST over Dickenson Branch | Good | 49.9 ft | 5 | 2011 |
| Local over Weldon River | Good | 151.9 ft | 5 | 1997 |
| Local over Stream | Good | 89.9 ft | 5 | 1996 |