| US 35 over Quigley Marsh Ditch | 2011 | 8,928 | Good |
| US 421 over Mosley Ditch | 1985 | 5,222 | Good |
| SR 14 over Tippecanoe River | 1952 | 4,468 | Good |
| US 421 over Muck Pocket & Antrim Dit | 1931 | 4,420 | Good |
| US 35 over Tippecanoe River | 1982 | 4,204 | Good |
| US 421 over Mp Hill Ditch | 1993 | 3,989 | Fair |
| US 35 over Dilts & Anstis Ditch | 1993 | 3,912 | Fair |
| US 421 over Wacknitz Ditch | 1989 | 3,850 | Fair |
| US 35 over Mill Ditch | 2003 | 3,468 | Good |
| US 35 over Indian Creek | 2003 | 2,793 | Good |
| SR 14 over Hoover Ditch | 1999 | 2,181 | Good |
| SR 119 over Mud Creek | 2008 | 2,006 | Good |
| SR 119 over Tippecanoe River | 1948 | 1,998 | Fair |
| SR 14 over Dunker Ditch | 1995 | 1,815 | Fair |
| SR 14 over Lincoln Ditch | 1996 | 1,815 | Good |
| SR 14 over Antrim Ditch | 2004 | 1,569 | Good |
| SR 14 over Lizenby Ditch | 1996 | 1,569 | Fair |
| SR 114 over Mp Hill Ditch | 1935 | 1,552 | Fair |
| SR 14 over Big Monon Ditch | 1969 | 1,479 | Fair |
| SR 39 over Harp Ditch #2 | 1950 | 1,355 | Fair |
| SR 39 over Harp Ditch #3 | 1950 | 1,288 | Fair |
| SR 39 over Wiltzin Ditch | 1950 | 1,218 | Fair |
| SR 39 over Lincoln Ditch | 1950 | 1,151 | Good |
| SR 39 over Thompson Ditch | 1947 | 1,058 | Fair |
| SR 39 over Dressler Ditch | 1947 | 1,026 | Fair |
| SR 39 over Emmet Ditch | 2018 | 1,026 | Good |
| SR 119 over Indian Creek | 1936 | 1,013 | Fair |
| Washington St over Tippecanoe River | 1977 | 1,000 | Good |
| CR 250N over Tippecanoe River | 1970 | 890 | Fair |
| SR 119 over Dickey Creek | 2007 | 875 | Good |
| CR 625E over Overflow Ditch | 1960 | 610 | Fair |
| CR 625E over Tippecanoe River | 2014 | 600 | Good |
| CR 500S over Big Monon Ditch | 1962 | 510 | Fair |
| CR 1450W over Mosley Ditch | 1966 | 500 | Good |
| CR 200S over Big Monon Ditch | 2001 | 390 | Good |
| Francesville Rd over Tippecanoe River | 1966 | 380 | Fair |
| CR 700W over Weltzin Ditch | 1940 | 310 | Fair |
| CR 100N over Antrim Ditch | 1971 | 240 | Fair |
| CR 1100W over Big Monon Ditch | 1963 | 240 | Fair |
| CR 175N over Antrim Ditch | 1966 | 240 | Fair |
| CR 200E over Tippecanoe River | 1964 | 240 | Fair |
| CR 500S over Budd Fisher Ditch | 1972 | 240 | Fair |
| CR 825S over Tippecanoe River | 1973 | 240 | Fair |
| Base Line Rd over Indian Creek | 1972 | 180 | Fair |
| CR 1000S over Indian Creek | 1970 | 180 | Fair |
| CR 300N over Antrim Ditch | 1972 | 180 | Fair |
| CR 300S over Big Monon Ditch | 1996 | 180 | Fair |
| CR 600W over Thompson Ditch | 1930 | 180 | Poor |
| CR 850S over Swingle Ditch | 1966 | 180 | Fair |
| CR 225W over Agnew Ditch | 1992 | 160 | Fair |
| Camp Road #2 over Dilts & Anstis Ditch | 1991 | 143 | Good |
| Park Roadcr 1600 W over Ryan Ditch | 1993 | 143 | Good |
| CR 1000S over Big Monon Ditch | 1979 | 130 | Fair |
| CR 200N over Big Monon Ditch | 1959 | 130 | Fair |
| CR 225E over Mill Creek | 1950 | 130 | Fair |
| CR 300N over Big Monon Ditch | 1992 | 130 | Fair |
| CR 400E over Indian Creek | 1974 | 130 | Fair |
| CR 600W over Budd Fisher Ditch | 1970 | 130 | Good |
| CR 700E over Mill Creek | 1975 | 130 | Good |
| CR 700N over Bogus Run | 2018 | 130 | Good |
| CR 1000S over Indian Creek | 1998 | 120 | Fair |
| CR 250S over Mill Creek | 2024 | 110 | Good |
| CR 1275W over Pelsey Ditch | 1959 | 100 | Fair |
| CR 100N over Big Monon Ditch | 2004 | 80 | Fair |
| CR 100S over Lincoln Ditch | 1986 | 80 | Good |
| CR 125S over Little Mill Creek | 1969 | 80 | Fair |
| CR 175E over Mill Creek | 1968 | 80 | Fair |
| CR 300E over Little Mill Creek | 1960 | 80 | Fair |
| CR 325W over Indian Creek | 1961 | 80 | Fair |
| CR 400E over Little Mill Creek | 1961 | 80 | Fair |
| CR 450E over Mill Creek | 1975 | 80 | Fair |
| CR 500E over Grassy Creek | 1974 | 80 | Fair |
| CR 500E over Indian Creek | 1974 | 80 | Fair |
| CR 600E over Grassy Creek | 1969 | 80 | Fair |
| CR 600E over Indian Creek | 1969 | 80 | Fair |
| CR 600S over Big Monon Ditch | 1982 | 80 | Fair |
| CR 650N over Bogus Run | 1970 | 80 | Fair |
| CR 800S over Big Monon Ditch | 1968 | 80 | Fair |
| CR 400E over Mill Creek | 2020 | 70 | Good |
| CR 400S over Agnew Ditch | 1992 | 70 | Good |
| CR 1000W over Big Monon Ditch | 1988 | 50 | Good |
| CR 100E over Mill Creek | 1925 | 50 | Fair |
| CR 100S over Antrim Ditch | 1994 | 50 | Fair |
| CR 100S over Big Monon Ditch | 1967 | 50 | Fair |
| CR 150W over Mud Creek | 1965 | 50 | Fair |
| CR 1550W over Antrim Ditch | 1986 | 50 | Fair |
| CR 315E over Mill Creek | 1959 | 50 | Poor |
| CR 500W over Budd Fisher Ditch | 1988 | 50 | Fair |
| CR 625E over Mill Creek | 1975 | 50 | Good |
| CR 900S over Big Monon Ditch | 1986 | 50 | Fair |
| CR 135S over Agnew Ditch | 1971 | 40 | Fair |
| CR 200E over Indian Creek | 1964 | 40 | Fair |
| CR 200W over Indian Creek | 1973 | 40 | Fair |
| CR 475W over Indian Creek | 1968 | 40 | Fair |
| CR 1100W over Big Monon Ditch | 1989 | 30 | Fair |
| CR 125E over Bartee Ditch | 1983 | 30 | Fair |
| CR 150S over Little Mill Creek | 1969 | 30 | Good |
| CR 300E over Indian Creek | 1969 | 30 | Fair |
| CR 550W over Weltzin Ditch | 1982 | 30 | Fair |
| CR 800S over Hill Ditch | 2021 | 30 | Good |
| CR 100W over Mud Creek | 1989 | 20 | Fair |
| CR 350S over Mill Creek | 2005 | 20 | Fair |