| SR 117 over Missouri River Overflow | Poor | 279.9 ft | 818 | 1950 |
| Cache Creek RD over Little Snake Creek 048 | Poor | 25.9 ft | 100 | 1965 |
| Fox Farm RD over Lindeke Coulee 007 | Poor | 59.1 ft | 100 | 1930 |
| Bengochea RD over E Fk Porcupine Creek 112 | Poor | 40.0 ft | 100 | 1960 |
| Bentonite RD over Vandalia South Canal 089 | Poor | 61.0 ft | 100 | 1938 |
| Hentges RD over Little Porcupine CR 064 | Poor | 69.9 ft | 100 | 1965 |
| Old HWY 2 over Beaver Creek 115 | Poor | 237.9 ft | 100 | 1931 |
| Oberg RD over Vandalia South Canal 078 | Poor | 38.1 ft | 100 | 1989 |
| Tampico RD over Vandalia South Canal 003 | Poor | 24.3 ft | 39 | 2002 |
| Vandalia RD over Milk River 012 | Poor | 264.4 ft | 29 | 1989 |
| Montfort RD over Buffalo Coulee 108 | Poor | 32.2 ft | 23 | 1950 |
| US 2 over Cherry Creek Overflow | Fair | 115.2 ft | 5,857 | 1980 |
| US 2 over Cherry Creek | Fair | 115.2 ft | 5,857 | 1979 |
| US 2 over Goudge Coulee | Fair | 24.3 ft | 1,967 | 1994 |
| US 2 over Whately Creek | Fair | 36.1 ft | 1,967 | 1987 |
| US 2 over Porcupine Creek | Fair | 192.6 ft | 1,584 | 2006 |
| US 2 over Porcupine Creek Overflow | Fair | 127.3 ft | 1,584 | 2006 |
| IRR - US 2 over Indian Service Canal | Fair | 26.9 ft | 1,514 | 1960 |
| US 2 over Richardson Coulee | Fair | 27.6 ft | 1,484 | 1979 |
| IRR - US 2 over Oswego Creek | Fair | 61.0 ft | 1,479 | 1973 |
| US 2 over Milk River Overflow | Fair | 144.0 ft | 1,414 | 1966 |
| US 2 over Rock Creek Canal | Fair | 60.0 ft | 1,414 | 1996 |
| IRR - US 2 over Little Porcupine Creek | Fair | 205.7 ft | 1,396 | 1960 |
| US 2 over Beaver Creek Overflow | Fair | 21.0 ft | 1,310 | 1987 |
| US 2 over Beaver Creek | Fair | 172.9 ft | 1,310 | 1966 |
| US 2 over Milk River | Fair | 355.6 ft | 1,209 | 1966 |
| US 2 over Lime Creek | Fair | 122.0 ft | 1,209 | 1996 |
| US 2 over Bear Creek | Fair | 147.0 ft | 1,209 | 1996 |
| IRR BIA Route 1 over Little Porcupine Creek | Fair | 77.4 ft | 1,200 | 1976 |
| IRR BIA Route 1 over Main Canal | Fair | 42.0 ft | 1,200 | 1976 |
| S 24 over Milk River | Fair | 421.9 ft | 912 | 1992 |
| S 117 over Milk River | Fair | 369.8 ft | 479 | 1957 |
| 2nd AVE S-tampico over Cherry Creek | Fair | 120.1 ft | 392 | 1989 |
| Tampico RD over Cherry Creek Overflow | Fair | 75.1 ft | 392 | 1960 |
| Tampico RD over Milk River | Fair | 404.9 ft | 392 | 1960 |
| IRR - S 24 over Drainage | Fair | 58.1 ft | 292 | 1939 |
| IRR BIA RTE 30 over Main Canal | Fair | 42.3 ft | 225 | 1983 |
| IRR BIA RTE 30 over Main Canal | Fair | 47.2 ft | 225 | 1983 |
| IRR - S 24 over Alkali Creek | Fair | 77.1 ft | 200 | 1935 |
| S 248 over W Fk Poplar Rv Overflow | Fair | 76.1 ft | 194 | 1948 |
| S 248 over W Fork Poplar River | Fair | 200.8 ft | 194 | 1948 |
| Tampico RD over Antelope Creek | Fair | 96.1 ft | 183 | 1980 |
| SR 537 over Milk River | Fair | 304.1 ft | 123 | 1969 |
| Hinsdale N RD over Snake Creek 042 | Fair | 40.0 ft | 100 | 1950 |
| Cache Creek RD over Middle Fork Cash CR 049 | Fair | 27.9 ft | 100 | 1960 |
| Rock Creek RD over Willow Creek 030 | Fair | 93.2 ft | 100 | 2000 |
| Skylark RD over Cherry Creek 093 | Fair | 80.1 ft | 100 | 2012 |
| Burns RD over Rock Creek Canal 029 | Fair | 24.9 ft | 100 | 2004 |
| Rock CR Dam RD over Rock Creek 098 | Fair | 131.9 ft | 100 | 1955 |
| Bjornberg Brdg RD over Milk River 036 | Fair | 205.1 ft | 100 | 1995 |
| Fuhrman RD over Snow Coulee 021 | Fair | 83.0 ft | 100 | 1981 |
| Baylor RD over Mid Fk Porcupine CR 013 | Fair | 92.8 ft | 100 | 1960 |
| Oswego North RD over West Fork Wolf Creek 057 | Fair | 62.0 ft | 100 | 1950 |
| Berge RD over Little Porcupine CR 015 | Fair | 63.0 ft | 100 | 1980 |
| Fox Farm RD over Hay Coulee 006 | Fair | 40.0 ft | 100 | 1930 |
| Fox Farm RD over Drainage 009 | Fair | 59.1 ft | 100 | 1930 |
| Geer RD over Sargent Creek 001 | Fair | 39.0 ft | 100 | 1960 |
| Geer RD over E Fk Porcupine Creek 002 | Fair | 56.1 ft | 100 | 1960 |
| N Bench RD over West Fork Poplar R 026 | Fair | 158.1 ft | 100 | 1975 |
| Tampico RD N over Milk River 094 | Fair | 374.7 ft | 100 | 2002 |
| Tampico RD N over Buggy Creek 095 | Fair | 30.5 ft | 100 | 2000 |
| Riverside DR over Richardson Coulee 090 | Fair | 24.0 ft | 100 | 1986 |
| Billingsley RD over Vandalia South Canal 074 | Fair | 46.6 ft | 100 | 1997 |
| Billingsley RD over Vandalia South Canal 076 | Fair | 21.7 ft | 100 | 2012 |
| New Deal RD over Galpin Coulee 073 | Fair | 62.0 ft | 100 | 1960 |
| Aitken RD over Cherry Creek 080 | Fair | 160.1 ft | 100 | 1938 |
| Aitken RD over Milk River 081 | Fair | 230.6 ft | 100 | 1997 |
| Canal RD over Brazil Creek 079 | Fair | 122.7 ft | 100 | 2013 |
| Brazil Creek RD over Vandalia South Canal 113 | Fair | 38.1 ft | 100 | 1988 |
| Riverside DR over Drainage 096 | Fair | 25.9 ft | 100 | 2000 |
| County Road 605 over Irrigation Canal 107 | Fair | 24.0 ft | 100 | 1950 |
| Whatley RD over Milk River 071 | Fair | 368.1 ft | 78 | 1998 |
| IRR - S 438 over E Fork Porcupine Creek | Fair | 24.9 ft | 77 | 1983 |
| Beaverton RD over Beaver Creek 104 | Fair | 121.1 ft | 68 | 1915 |
| Liberty RD over Vandalia South Canal 097 | Fair | 22.3 ft | 61 | 2013 |
| Larb Creek RD over Blanche Coulee 084 | Fair | 45.9 ft | 51 | 1960 |
| Larb Creek RD over South Coulee 085 | Fair | 34.4 ft | 51 | 1960 |
| IRR BIA RTE 10 over Oswego East Main Canal | Fair | 40.0 ft | 50 | 1972 |
| Grain East RD over Little Porcupine CR 055 | Fair | 65.0 ft | 50 | 1985 |
| S 24 over Roanwood Creek | Fair | 28.5 ft | 31 | 1957 |
| Vandalia RD over Vandalia South Canal 011 | Fair | 71.5 ft | 29 | 1991 |
| 2009: Tc Access over Willow Creek | Fair | 144.4 ft | 25 | 1967 |
| Beaver Creek RD over Larb Creek 106 | Fair | 74.1 ft | 19 | 1987 |
| Hinsdale N RD over Crow Creek 043 | Fair | 46.9 ft | 14 | 1960 |
| Hinsdale N RD over Bluff Creek 044 | Fair | 49.9 ft | 14 | 1973 |
| Theony RD over Rock Creek 031 | Fair | 219.2 ft | 14 | 2013 |
| Snake Creek RD over Snake Creek 046 | Fair | 76.1 ft | 14 | 1986 |
| US 2 over Chapman Coulee | Good | 70.9 ft | 1,484 | 2024 |
| US 2 over Mooney Coulee | Good | 100.1 ft | 1,484 | 2024 |
| US 2 over Unger Coulee | Good | 111.9 ft | 1,209 | 2023 |
| US 2 over Buggy Creek | Good | 133.9 ft | 1,209 | 2024 |
| IRR BIA Route 1 over Main Canal | Good | 41.3 ft | 1,200 | 1972 |
| IRR - S 24 over East Fork Cherry Creek | Good | 141.1 ft | 994 | 2024 |
| S 24 over Galpin Coulee | Good | 27.6 ft | 767 | 1993 |
| IRR - S24 over Dry Fork Creek | Good | 141.1 ft | 292 | 2024 |
| IRR - S24 over West Fk Porcupine Creek | Good | 113.8 ft | 292 | 2024 |
| IRR - S 24 over Mid Fk Porcupine Creek | Good | 163.4 ft | 200 | 2018 |
| Milk River RD over Beaver Creek 038 | Good | 169.3 ft | 100 | 2017 |
| IRR BIA RTE 8 over Oswego South Main Canal | Good | 42.3 ft | 100 | 1983 |
| HWY 117 over Bnsf Railroad | Good | 279.5 ft | 100 | 2018 |
| Cut Across RD over Cherry Creek 004 | Good | 64.3 ft | 100 | 2012 |
| Fuhrman RD over Middle Fk Porcupine 020 | Good | 92.8 ft | 100 | 1981 |
| IRR BIA RTE 30 over Main Canal | Good | 29.9 ft | 50 | 2010 |