| Frntage Road 81020 over Cottonwood Creek 083 | Poor | 172.6 ft | 507 | 1928 |
| Frntage Road 81020 over Miles Creek 037 | Poor | 58.4 ft | 507 | 1929 |
| Frntage Road 81020 over Macks Creek 038 | Poor | 39.4 ft | 507 | 1929 |
| Kircher Creek RD over T And Y Canal 032 | Poor | 28.5 ft | 100 | 1938 |
| Frontage Road 205 over Cottonwood Creek 072 | Poor | 153.9 ft | 100 | 1929 |
| Frontage Road 205 over Snell Creek 073 | Poor | 30.8 ft | 100 | 1928 |
| I 94 over Lignite Creek | Fair | 35.4 ft | 4,724 | 1964 |
| I 94 over Coal Creek | Fair | 24.0 ft | 4,724 | 1963 |
| I 94 over Tongue River | Fair | 294.0 ft | 4,707 | 1961 |
| I 94 over Jones Creek-stockpass | Fair | 24.3 ft | 4,393 | 1962 |
| S 59 over Yellowstone River | Fair | 976.0 ft | 2,949 | 1957 |
| US 94 over Tongue River | Fair | 325.1 ft | 2,771 | 2007 |
| I 94 over Tongue River | Fair | 294.0 ft | 2,354 | 1974 |
| I 94 over Sep Cemetery RD | Fair | 152.9 ft | 2,354 | 1961 |
| I 94 over Sep Cemetery RD | Fair | 152.9 ft | 2,349 | 1974 |
| I 94 over Dixon Creek | Fair | 303.8 ft | 2,232 | 1984 |
| I 94 over Dixon Creek | Fair | 303.8 ft | 2,232 | 1984 |
| I 94 over Sep Access Rd-drainage | Fair | 60.0 ft | 2,232 | 1971 |
| I 94 over Sep Access Rd-drainage | Fair | 60.0 ft | 2,232 | 1971 |
| I 94 over Cottonwood Creek | Fair | 156.5 ft | 2,232 | 1971 |
| I 94 over Cottonwood Creek | Fair | 156.5 ft | 2,137 | 1971 |
| I 94 over Int Diamond Ring | Fair | 128.0 ft | 2,137 | 1971 |
| I 94 over Int Diamond Ring | Fair | 138.1 ft | 2,137 | 1971 |
| I 94 over Sep Access Road | Fair | 79.1 ft | 2,137 | 1971 |
| I 94 over Sep Access Road | Fair | 79.1 ft | 2,137 | 1971 |
| S 59 over South Fork Sunday Creek | Fair | 164.0 ft | 1,474 | 1930 |
| S 59 over Grimes Creek | Fair | 101.4 ft | 1,258 | 1962 |
| US 94 over Int W Miles City-i 94 | Fair | 271.0 ft | 1,191 | 1961 |
| US 94 over Rr | Fair | 311.4 ft | 1,191 | 1954 |
| S 59 over Mill Creek-stockpass | Fair | 32.2 ft | 942 | 1986 |
| S 59 over North Fork Sunday Creek | Fair | 122.7 ft | 727 | 1963 |
| S 59 over Pumpkin Creek | Fair | 139.1 ft | 660 | 1962 |
| S 59 over Pumpkin Creek | Fair | 192.3 ft | 660 | 2003 |
| S 489 over Sunday Creek | Fair | 197.8 ft | 607 | 1961 |
| US 94 over Int Baker-i 94 | Fair | 270.3 ft | 585 | 1974 |
| Cemetary RD over T And Y Canal 065 | Fair | 38.1 ft | 554 | 1978 |
| US 12 over Powder River | Fair | 622.0 ft | 552 | 1973 |
| Wyttenhove LN over Bensley Creek 030 | Fair | 21.7 ft | 397 | 2016 |
| Valley DR E over Int Shirley-i 94 006 | Fair | 260.5 ft | 391 | 1984 |
| S 332 over Pumpkin Creek | Fair | 139.1 ft | 199 | 1959 |
| Frontage Road 005 over Int Radar Base-i 94 004 | Fair | 216.5 ft | 100 | 1961 |
| Crow Rock RD over Grimes Creek 010 | Fair | 35.4 ft | 100 | 1986 |
| Lower RD over Muster Creek 001 | Fair | 96.1 ft | 100 | 1994 |
| Pacific AVE over Tongue River 056 | Fair | 373.4 ft | 100 | 2006 |
| Signal Butte RD over T And Y Canal 074 | Fair | 24.6 ft | 100 | 2001 |
| Trail Creek RD over Powder River 061 | Fair | 455.1 ft | 100 | 1926 |
| S 332 over Foster Creek | Fair | 38.1 ft | 87 | 1952 |
| Frontage Road 201 over Int Moon Creek-i 94 005 | Fair | 240.5 ft | 82 | 1962 |
| Moon Creek RD over Cottonwood Creek 044 | Fair | 26.6 ft | 82 | 1928 |
| Tusler RD over Yellowstone River 094 | Fair | 1064.0 ft | 78 | 1907 |
| Trail Creek RD over Mizpah Creek 086 | Fair | 89.9 ft | 56 | 1981 |
| Powderville RD over Pumpkin Creek 002 | Fair | 44.6 ft | 47 | 1981 |
| Powderville RD over Sand Creek 003 | Fair | 40.4 ft | 47 | 1980 |
| Powderville RD over Mizpah Creek 020 | Fair | 76.1 ft | 47 | 1931 |
| Powderville RD over Spring Creek 019 | Fair | 24.6 ft | 47 | 1912 |
| Moon Creek RD over Tongue River 041 | Fair | 195.5 ft | 36 | 1988 |
| County Road 214 over Pumpkin Creek 043 | Fair | 30.2 ft | 33 | 1968 |
| Powder River RD over Ash Creek 017 | Fair | 47.9 ft | 31 | 1983 |
| N Locate RD over Locate Creek 045 | Fair | 40.0 ft | 23 | 1901 |
| County Road 304 over Pennel Creek 036 | Fair | 49.9 ft | 18 | 1982 |
| I 94 over Vehicle Pass | Good | 20.3 ft | 4,697 | 1986 |
| I 94 over Int P-23 Broadus | Good | 154.5 ft | 2,349 | 2019 |
| I 94 over Int P-23 Broadus | Good | 154.5 ft | 2,349 | 2020 |
| S 59 over North Woman Creek | Good | 27.6 ft | 942 | 1986 |
| US 12 over Bensley Creek | Good | 22.3 ft | 585 | 1999 |
| Deadmans Road over North Fork Sunday Creek | Good | 98.1 ft | 100 | 2024 |
| Frontage Road 005 over Moon Creek 093 | Good | 98.4 ft | 100 | 2013 |
| Trail Creek RD over Mason Creek 059 | Good | 80.1 ft | 100 | 2016 |
| Trail Creek RD over Strevell Creek 042 | Good | 81.0 ft | 56 | 2018 |
| Whitney CR RD over O`fallon Creek | Good | 189.6 ft | 31 | 1990 |
| Sheep Creek RD over Sheep Creek | Good | 103.0 ft | 22 | 2023 |