| S23a Whitney Spur over White River | Poor | 201.1 ft | 225 | 1937 |
| Main Street over White River | Poor | 34.1 ft | 100 | 1935 |
| Airport Road over White River | Poor | 74.1 ft | 50 | 1936 |
| County Highway over White River | Poor | 35.1 ft | 40 | 1935 |
| Pineview Road over Big Bordeaux Creek | Poor | 45.9 ft | 25 | 1935 |
| Mann Road over Chadron Creek | Poor | 24.0 ft | 15 | 1935 |
| Mann Road over Chadron Creek | Poor | 23.0 ft | 10 | 1935 |
| Field Drive over Spring Creek | Poor | 50.9 ft | 10 | 1955 |
| Country Club Road over Chadron Creek | Poor | 41.0 ft | 5 | 1935 |
| County Highway over Squaw Creek | Poor | 24.9 ft | 5 | 1935 |
| Us20 over Indian Creek | Fair | 85.0 ft | 1,875 | 1961 |
| N71 over White River | Fair | 151.9 ft | 345 | 1959 |
| N71 over Stream | Fair | 30.8 ft | 185 | 1962 |
| Fas 1110 over Stream | Fair | 85.0 ft | 95 | 1934 |
| Old Highway 20 over Stream | Fair | 22.0 ft | 80 | 1937 |
| Fas1205dead Horse over Dead Horse Creek | Fair | 24.0 ft | 75 | 2000 |
| Fas 1205 Dead Hors over Dead Horse Creek | Fair | 29.9 ft | 75 | 1989 |
| Fas 1190 Bergfield over Big Cottonwood Creek | Fair | 60.0 ft | 65 | 1991 |
| County Highway over White River | Fair | 36.1 ft | 50 | 1935 |
| Galey Road over White River | Fair | 60.0 ft | 50 | 1992 |
| Coll 7189 over Stream | Fair | 43.0 ft | 50 | 1936 |
| Coll 7189 Long Rd. over Stream | Fair | 29.9 ft | 45 | 2003 |
| Coll 7183 over White River | Fair | 61.0 ft | 35 | 1985 |
| Hollibaugh RD over Stream | Fair | 27.9 ft | 30 | 1935 |
| Connell Road over White River | Fair | 40.0 ft | 30 | 1991 |
| County Highway over Stream | Fair | 77.1 ft | 30 | 1935 |
| Alpha Road over Bordeaux Creek | Fair | 23.0 ft | 30 | 1935 |
| Buttermilk Road over Chadron Creek | Fair | 26.9 ft | 30 | 1935 |
| West Ash Road over West Ash Creek | Fair | 56.1 ft | 20 | 1993 |
| Herford Rd. over Stream | Fair | 29.9 ft | 10 | 1935 |
| Lembke RD over Mirage Flats Canal | Fair | 36.4 ft | 5 | 1945 |
| Us20 over Stream | Good | 33.1 ft | 9,060 | 1950 |
| Us385 over Chadron Creek Tributary | Good | 28.9 ft | 2,930 | 1954 |
| Us20 over Stream | Good | 21.0 ft | 2,425 | 1952 |
| Us385 over Chadron Creek | Good | 82.0 ft | 2,350 | 1993 |
| Us385 over Chadron Creek | Good | 92.8 ft | 2,350 | 1954 |
| Us385 over Chadron Creek Tributary | Good | 21.0 ft | 2,350 | 1954 |
| Us385 over White River Tributary | Good | 27.9 ft | 2,230 | 1992 |
| Us385 over White River | Good | 280.8 ft | 2,230 | 1937 |
| Us385 over White River Tributary | Good | 32.2 ft | 2,230 | 1992 |
| Us385 over Rush Creek | Good | 36.1 ft | 2,125 | 1992 |
| Us20 over Big Bordeaux Creek | Good | 32.2 ft | 2,105 | 1992 |
| Us20/n2/n71 over Bnsf Rr 064-831-m | Good | 212.9 ft | 1,935 | 1935 |
| Us385 over Niobrara River | Good | 86.9 ft | 1,890 | 1975 |
| Us385 over Cottonwood Creek | Good | 188.0 ft | 1,890 | 1975 |
| Us385 over Pepper Creek | Good | 22.0 ft | 1,890 | 1975 |
| Us385 over Chadron Creek Tributary | Good | 24.9 ft | 1,890 | 1938 |
| Us20 over Stream | Good | 24.9 ft | 1,880 | 1949 |
| Us20 over Stream | Good | 43.0 ft | 1,880 | 1949 |
| Us20 over Stream | Good | 37.1 ft | 1,880 | 1957 |
| Us20 over Ash Creek | Good | 87.9 ft | 1,875 | 1961 |
| Us20 over Trunk Butte Creek | Good | 112.9 ft | 1,875 | 1961 |
| Us20 over Dead Horse Creek | Good | 110.9 ft | 1,875 | 1961 |
| Us20 over Chadron Creek | Good | 155.8 ft | 1,875 | 1961 |
| Us20 over White Clay Creek | Good | 131.9 ft | 1,605 | 1959 |
| Us20 over Squaw Creek | Good | 86.0 ft | 1,605 | 1959 |
| Us20 over White River | Good | 198.2 ft | 1,050 | 1932 |
| Us20 over Stream | Good | 26.9 ft | 1,050 | 1985 |
| N71 over Sand Canyon | Good | 91.9 ft | 885 | 1932 |
| N71 over Stream | Good | 23.0 ft | 885 | 1932 |
| N71 over Stream | Good | 47.9 ft | 885 | 1932 |
| Us20 over Soldier Creek | Good | 90.9 ft | 815 | 1932 |
| N71 over Stream | Good | 24.9 ft | 345 | 1959 |
| N71 over Spring Creek | Good | 30.8 ft | 345 | 1959 |
| N71 over Stream | Good | 24.9 ft | 345 | 1959 |
| Fas1225 Slim Butte over White River | Good | 105.0 ft | 240 | 1981 |
| Fas1225slim Butte over Big Bordeaux Creek | Good | 34.1 ft | 240 | 1986 |
| N71 over Little Cottonwood Creek | Good | 81.0 ft | 185 | 1962 |
| N71 over Sand Creek | Good | 101.0 ft | 185 | 1962 |
| N71 over Big Cottonwood Creek | Good | 130.9 ft | 185 | 1962 |
| Fas 1215 over Sand Creek | Good | 35.1 ft | 140 | 2014 |
| Lone Tree Road over Big Cottonwood Creek | Good | 69.9 ft | 100 | 1986 |
| Coll 7180 over Squaw Creek | Good | 24.9 ft | 90 | 1992 |
| County Highway over Little Cottonwood Creek | Good | 40.0 ft | 55 | 1992 |
| Coll 7176 over West Ash Creek | Good | 50.2 ft | 50 | 2016 |
| Beaver Valley RD over White River Trib | Good | 43.0 ft | 50 | 1939 |
| Redfern RD over Little Bordeaux Creek | Good | 22.0 ft | 50 | 2020 |
| County Highway over White River | Good | 65.9 ft | 50 | 1992 |
| Coll 7191 over White River | Good | 35.1 ft | 40 | 1978 |
| Coll7186antelope R over Stream | Good | 29.9 ft | 35 | 1978 |
| Dodd Road over White River | Good | 101.0 ft | 30 | 1992 |
| N. Whitney Lake RD over White River | Good | 44.9 ft | 30 | 2000 |
| Moody Road over Stream | Good | 40.0 ft | 30 | 1992 |
| Coll 7181 over Squaw Creek | Good | 36.1 ft | 30 | 1959 |
| Old Dunlap Road over Niobrara River | Good | 80.1 ft | 25 | 1983 |
| Coll 7134 over Bnsf Rr 064-820-a | Good | 198.2 ft | 20 | 2004 |
| Arner Road over White River | Good | 44.9 ft | 20 | 1995 |
| County Highway over White River | Good | 53.1 ft | 15 | 1992 |
| Mill RD over White River | Good | 77.1 ft | 10 | 1992 |
| West Dakota Jct RD over White River | Good | 29.5 ft | 5 | 2019 |