| I-90 Wbl over US 14 | Poor | 130.9 ft | 1,938 | 1966 |
| CR Cnty RD 129 over I-90 | Poor | 261.2 ft | 133 | 1977 |
| CR Cnty RD 93 over Inyan Kara Creek | Poor | 42.0 ft | 41 | 1955 |
| CR Cnty RD 112 over Donkey Creek | Poor | 60.0 ft | 24 | 1980 |
| US 14 over S Fork Sundance Creek | Fair | 59.4 ft | 3,482 | 1954 |
| I-90 Wbl over Well Creek | Fair | 88.9 ft | 3,214 | 1969 |
| I-90 Wbl over Machinery Pass | Fair | 102.0 ft | 3,214 | 1969 |
| I-90 Ebl over Machinery Pass | Fair | 76.1 ft | 2,981 | 1972 |
| I-90 Wbl over Wyo 585 | Fair | 214.9 ft | 2,928 | 1972 |
| I-90 Wbl over Machinery Pass | Fair | 76.1 ft | 2,928 | 1972 |
| I-90 Wbl over I-90 Bus. / US 14 | Fair | 155.8 ft | 2,928 | 1972 |
| I-90 Wbl over Machinery Pass | Fair | 75.1 ft | 2,907 | 1976 |
| I-90 Wbl over CR CR 108 (rifle Pit Rd) | Fair | 129.9 ft | 2,907 | 1977 |
| I-90 Ebl over Machinery Pass | Fair | 75.1 ft | 2,891 | 1977 |
| I-90 Ebl over Machinery Pass | Fair | 75.1 ft | 2,891 | 1977 |
| I-90 Ebl over CR CR 108 (rifle Pit Rd) | Fair | 146.0 ft | 2,891 | 1977 |
| I-90 Ebl over Machinery Pass | Fair | 75.1 ft | 2,891 | 1977 |
| I-90 Ebl over Wyo 111 | Fair | 155.8 ft | 2,891 | 1977 |
| I-90 Wbl over Machinery Pass | Fair | 75.1 ft | 2,878 | 1977 |
| I-90 Wbl over Machinery Pass | Fair | 75.1 ft | 2,878 | 1977 |
| I-90 Wbl over CR CR 108 (rifle Pit Rd) | Fair | 146.0 ft | 2,878 | 1977 |
| I-90 Wbl over Machinery Pass | Fair | 75.1 ft | 2,878 | 1977 |
| I-90 Wbl over Wyo 111 | Fair | 155.8 ft | 2,878 | 1977 |
| I-90 Ebl over Well Creek | Fair | 88.9 ft | 2,861 | 1969 |
| I-90 Ebl over Machinery Pass | Fair | 102.0 ft | 2,861 | 1969 |
| I-90 Ebl over US 14 | Fair | 230.0 ft | 2,857 | 1971 |
| I-90 Wbl over US 14 | Fair | 230.0 ft | 2,788 | 1972 |
| I-90 Wbl over CR CR 68 (d Road) | Fair | 140.1 ft | 2,738 | 1969 |
| I-90 Wbl over Belle Fourche River | Fair | 227.0 ft | 2,738 | 1966 |
| I-90 Ebl And Wbl over Unnamed Draw | Fair | 31.2 ft | 2,520 | 1965 |
| I-90 Ebl over US 14 | Fair | 169.9 ft | 2,520 | 1969 |
| I-90 Ebl And Wbl over Cundy Creek | Fair | 21.0 ft | 2,520 | 1963 |
| I-90 Wbl over US 14 | Fair | 169.9 ft | 2,496 | 1969 |
| US 212 over Chicago Creek | Fair | 69.9 ft | 2,338 | 1977 |
| I-90 Ebl over CR CR 68 (d Road) | Fair | 140.1 ft | 2,197 | 1969 |
| I-90 Ebl over Donkey Creek | Fair | 178.1 ft | 2,197 | 1969 |
| I-90 Ebl over Belle Fourche River | Fair | 227.0 ft | 2,197 | 1966 |
| I-90 Wbl over US 14 / 16 | Fair | 116.1 ft | 1,938 | 1966 |
| I-90 Wbl over I-90 Bus. | Fair | 106.6 ft | 1,938 | 1962 |
| I-90 Wbl over Machinery Pass | Fair | 67.6 ft | 1,938 | 1962 |
| I-90 Wbl over Machinery Pass | Fair | 67.6 ft | 1,938 | 1962 |
| I-90 Wbl over Machinery Pass | Fair | 67.6 ft | 1,938 | 1962 |
| I-90 Wbl over CR 201 (wind Creek Road) | Fair | 131.9 ft | 1,938 | 1962 |
| I-90 Wbl over Wind Creek | Fair | 113.8 ft | 1,938 | 1962 |
| I-90 Wbl over Machinery Pass | Fair | 54.5 ft | 1,938 | 1962 |
| I-90 Wbl over Machinery Pass | Fair | 67.6 ft | 1,920 | 1960 |
| I-90 Wbl over Machinery Pass | Fair | 67.6 ft | 1,920 | 1960 |
| I-90 Wbl over CR 216 (beaver Creek Rd) | Fair | 74.1 ft | 1,920 | 1960 |
| I-90 Wbl over Beaver Creek | Fair | 99.4 ft | 1,920 | 1960 |
| I-90 Wbl over Machinery Pass | Fair | 67.6 ft | 1,920 | 1959 |
| I-90 Wbl over CR 93 (old Sundance Rd) | Fair | 107.0 ft | 1,920 | 1959 |
| I-90 Wbl over Machinery Pass | Fair | 55.1 ft | 1,829 | 1963 |
| I-90 Wbl over Tom Cat Creek | Fair | 87.6 ft | 1,829 | 1963 |
| I-90 Wbl over Arch Creek | Fair | 93.5 ft | 1,829 | 1963 |
| I-90 Wbl over Inyan Kara Creek Road | Fair | 93.5 ft | 1,829 | 1961 |
| I-90 Wbl over Machinery Pass | Fair | 92.8 ft | 1,829 | 1961 |
| I-90 Wbl over Machinery Pass | Fair | 67.6 ft | 1,829 | 1961 |
| US 14 over Unnamed Draw | Fair | 31.5 ft | 1,814 | 1965 |
| Wyo 24 over Belle Fourche River | Fair | 178.1 ft | 1,760 | 1973 |
| Wyo 585 over Sundance Creek | Fair | 116.1 ft | 1,665 | 1989 |
| I-90 Ebl over US 14 / 16 | Fair | 116.1 ft | 1,559 | 1966 |
| I-90 Ebl over US 14 | Fair | 130.9 ft | 1,559 | 1966 |
| I-90 Ebl over I-90 Bus | Fair | 106.6 ft | 1,559 | 1962 |
| I-90 Ebl over Machinery Pass | Fair | 67.6 ft | 1,559 | 1962 |
| I-90 Ebl over Machinery Pass | Fair | 67.6 ft | 1,559 | 1962 |
| I-90 Ebl over Machinery Pass | Fair | 67.6 ft | 1,559 | 1962 |
| I-90 Ebl over CR 201 (wind Creek Road) | Fair | 131.9 ft | 1,559 | 1962 |
| I-90 Ebl over Wind Creek | Fair | 113.8 ft | 1,559 | 1962 |
| I-90 Ebl over Machinery Pass | Fair | 54.5 ft | 1,559 | 1962 |
| I-90 Ebl over Machinery Pass | Fair | 67.6 ft | 1,520 | 1960 |
| I-90 Ebl over Machinery Pass | Fair | 67.6 ft | 1,520 | 1960 |
| I-90 Ebl over CR 216 (beaver Creek Rd) | Fair | 74.1 ft | 1,520 | 1960 |
| I-90 Ebl over Beaver Creek | Fair | 99.4 ft | 1,520 | 1960 |
| I-90 Ebl over Machinery Pass | Fair | 67.6 ft | 1,520 | 1959 |
| I-90 Ebl over CR 93 (old Sundance Rd) | Fair | 107.0 ft | 1,520 | 1959 |
| Wyo 24 over Miller Creek | Fair | 99.4 ft | 1,452 | 1977 |
| I-90 Ebl And Wbl over Mule Creek | Fair | 24.9 ft | 1,447 | 1962 |
| I-90 Ebl over Machinery Pass | Fair | 55.1 ft | 1,447 | 1963 |
| I-90 Ebl over Tom Cat Creek | Fair | 87.6 ft | 1,447 | 1963 |
| I-90 Ebl over Machinery Pass | Fair | 67.6 ft | 1,447 | 1963 |
| I-90 Ebl over Arch Creek | Fair | 93.5 ft | 1,447 | 1963 |
| I-90 Ebl over Machinery Pass | Fair | 66.9 ft | 1,447 | 1961 |
| I-90 Ebl over Inyan Kara Creek Road | Fair | 93.5 ft | 1,447 | 1961 |
| I-90 Ebl over Machinery Pass | Fair | 92.8 ft | 1,447 | 1961 |
| I-90 Ebl over Machinery Pass | Fair | 67.6 ft | 1,447 | 1961 |
| I-90 Ebl over Machinery Pass | Fair | 67.6 ft | 1,447 | 1961 |
| Wyo 51 over Well Creek | Fair | 90.6 ft | 1,326 | 1956 |
| Wyo 51 over Donkey Creek | Fair | 114.5 ft | 1,326 | 1956 |
| Wyo 51 over Belle Fourche River | Fair | 145.0 ft | 1,326 | 1994 |
| Wyo 24 over Lytle Creek | Fair | 122.0 ft | 1,241 | 1984 |
| Wyo 24 over Belle Fourche River | Fair | 141.1 ft | 1,241 | 1986 |
| Wyo 24 over Red Canyon Creek | Fair | 21.7 ft | 1,052 | 1994 |
| US 14 over Belle Fourche River | Fair | 179.1 ft | 1,043 | 1952 |
| US 14 over Cabin Creek | Fair | 101.0 ft | 1,043 | 1987 |
| Entrance Road over Belle Fourche River | Fair | 299.9 ft | 1,000 | 1980 |
| Wyo 585 over Soldier Creek | Fair | 21.7 ft | 905 | 1990 |
| US 14 over Belle Fourche River | Fair | 210.0 ft | 838 | 1987 |
| Wyo 24 over South Fork Hay Creek | Fair | 118.1 ft | 791 | 1984 |
| Wyo 113 over Wind Creek | Fair | 31.2 ft | 763 | 1991 |
| Wyo 111 over Unnamed Draw | Fair | 37.1 ft | 744 | 1960 |
| I-90 Service Road over Sand Creek | Fair | 141.1 ft | 701 | 1988 |
| Wyo 116 N over S Fork Sundance Creek | Fair | 31.5 ft | 556 | 1948 |
| Wyo 116 N over Sundance Creek | Fair | 31.5 ft | 556 | 1948 |
| Wyo 116 N over N Fork Sundance Creek | Fair | 25.6 ft | 556 | 1948 |
| I-90 Service Road over Sundance Creek | Fair | 81.0 ft | 448 | 1954 |
| I-90 Service Road over Andys Draw | Fair | 81.0 ft | 290 | 1956 |
| I-90 Service Road over Sundance Creek | Fair | 105.0 ft | 275 | 1954 |
| I-90 Service Road over Alkali Creek | Fair | 115.2 ft | 275 | 1956 |
| CR Cnty RD 180 over Inyan Kara Creek | Fair | 77.1 ft | 131 | 1978 |
| CR Cnty RD 180 over Arch Creek | Fair | 51.8 ft | 131 | 1992 |
| CR Cnty RD 142 over Redwater Creek | Fair | 49.9 ft | 78 | 1994 |
| CR Cnty RD 268 over Inyan Kara Creek | Fair | 50.9 ft | 74 | 1960 |
| CR Cnty RD 268 over Inyan Kara Creek | Fair | 49.9 ft | 74 | 1991 |
| CR Cnty RD 106 over Arch Creek | Fair | 41.0 ft | 62 | 1991 |
| Fawn Creek Road over Beaver Creek | Fair | 30.8 ft | 62 | 2000 |
| CR Cnty RD 108 over South Redwater Creek | Fair | 55.1 ft | 55 | 1965 |
| CR Cnty RD 200 over Little Missouri River | Fair | 89.9 ft | 51 | 1988 |
| CR Cnty RD 93 over I-90 | Fair | 245.1 ft | 41 | 1962 |
| CR Cnty RD 269 over Little Missouri River | Fair | 116.1 ft | 38 | 1986 |
| CR Cnty RD 222 over Beaver Creek | Fair | 47.9 ft | 30 | 2013 |
| Warren Peak Road over Beaver Creek | Fair | 25.6 ft | 27 | 1990 |
| CR Cnty RD 32 over Little Missouri River | Fair | 67.9 ft | 24 | 1991 |
| CR Cnty RD 164 over Little Missouri River | Fair | 109.9 ft | 23 | 1990 |
| CR Cnty RD 200 over Little Missouri River | Fair | 105.0 ft | 14 | 2000 |
| I-90 Ebl over Wyo 585 | Good | 214.9 ft | 2,981 | 1972 |
| I-90 Ebl over I-90 Bus. / US 14 | Good | 155.8 ft | 2,981 | 1972 |
| I-90 Ebl over Machinery Pass | Good | 75.1 ft | 2,953 | 1976 |
| I-90 Ebl over CR CR 207 (moskee Road) | Good | 145.0 ft | 2,953 | 1976 |
| I-90 Ebl over CR CR 108 (rifle Pit Rd) | Good | 129.9 ft | 2,953 | 1977 |
| I-90 Ebl over Machinery Pass | Good | 75.1 ft | 2,953 | 1977 |
| I-90 Wbl over Moskee Road | Good | 145.0 ft | 2,907 | 1976 |
| I-90 Wbl over Machinery Pass | Good | 75.1 ft | 2,907 | 1977 |
| I-90 Ebl over Sand Creek | Good | 164.0 ft | 2,891 | 1977 |
| I-90 Wbl over Sand Creek | Good | 164.0 ft | 2,878 | 1977 |
| I-90 Wbl over Donkey Creek | Good | 178.1 ft | 2,738 | 1969 |
| US 14 over S Fork Sundance Creek | Good | 24.6 ft | 2,303 | 1954 |
| Wyo 24 over Beaver Creek | Good | 115.2 ft | 1,832 | 1997 |
| I-90 Wbl over Machinery Pass | Good | 67.6 ft | 1,829 | 1963 |
| I-90 Wbl over Machinery Pass | Good | 67.6 ft | 1,829 | 1963 |
| I-90 Wbl over Machinery Pass | Good | 66.9 ft | 1,829 | 1961 |
| I-90 Wbl over Inyan Kara Creek | Good | 186.0 ft | 1,829 | 1961 |
| I-90 Wbl over Houston Creek | Good | 142.1 ft | 1,829 | 1961 |
| I-90 Wbl over CR CR 215 (wakefield Rd) | Good | 67.6 ft | 1,829 | 1961 |
| I-90 Wbl over Machinery Pass | Good | 67.6 ft | 1,829 | 1961 |
| I-90 Ebl over Machinery Pass | Good | 67.6 ft | 1,447 | 1963 |
| I-90 Ebl over Inyan Kara Creek | Good | 186.0 ft | 1,447 | 1961 |
| I-90 Ebl over Houston Creek | Good | 142.1 ft | 1,447 | 1961 |
| I-90 Ebl over CR CR 215 (wakefield Rd) | Good | 67.6 ft | 1,447 | 1961 |
| Wyo 585 over Silver Creek | Good | 22.0 ft | 1,221 | 1990 |
| Wyo 24 over Bush Draw | Good | 40.0 ft | 1,052 | 1989 |
| US 14 over Lone Tree Creek | Good | 25.6 ft | 1,043 | 1970 |
| Wyo 585 over Inyan Kara Creek | Good | 20.3 ft | 905 | 1990 |
| Wyo 111 over South Fork Hay Creek | Good | 93.2 ft | 744 | 1961 |
| Wyo 111 over Red Water Creek | Good | 93.2 ft | 744 | 1961 |
| Wyo 111 over Unnamed Draw | Good | 26.2 ft | 744 | 1960 |
| I-90 Service Road over Machinery Pass | Good | 75.1 ft | 448 | 1976 |
| Wyo 116 N over Inyan Kara Creek | Good | 200.1 ft | 318 | 2014 |
| I-90 Service Road over Rocky Ford Creek | Good | 115.2 ft | 275 | 1956 |
| CR Cnty RD 129 over Sand Creek | Good | 45.9 ft | 133 | 2017 |
| CR Cnty RD 129 over Sand Creek | Good | 38.1 ft | 133 | 2017 |
| CR Cnty RD 129 over Sand Creek | Good | 45.9 ft | 133 | 2017 |
| CR Cnty RD 129 over Sand Creek | Good | 48.9 ft | 133 | 2017 |
| CR Cnty RD 129 over Sand Creek | Good | 65.0 ft | 133 | 2017 |
| CR Cnty RD 129 over Sand Creek | Good | 65.0 ft | 133 | 2017 |
| Fdr 843 over Beaver Creek | Good | 24.9 ft | 100 | 1940 |
| CR Cnty RD 264 over Hay Creek | Good | 69.9 ft | 96 | 2015 |
| CR Cnty RD 160 over I-90 | Good | 193.9 ft | 94 | 1962 |
| CR Cnty RD 6 over Belle Fourche River | Good | 176.8 ft | 82 | 2002 |
| CR Cnty RD 268 over Inyan Kara Creek | Good | 85.0 ft | 74 | 2009 |
| CR Cnty RD 200 over Little Missouri River | Good | 100.1 ft | 51 | 1994 |
| Fdr 863 over Sand Creek Drainage | Good | 26.2 ft | 50 | 2007 |
| Fdr 863 over Sand Creek | Good | 34.1 ft | 50 | 2005 |
| CR Cnty RD 24 over Arch Creek | Good | 40.0 ft | 39 | 2023 |
| CR Cnty RD 179 over Arch Creek | Good | 65.0 ft | 28 | 2019 |
| CR Cnty RD 261 over Belle Fourche River | Good | 200.1 ft | 22 | 2020 |
| CR Cnty RD 200 over Little Missouri River | Good | 95.1 ft | 14 | 2000 |