| I 94 over Coal Creek | 1963 | 4,724 | Fair |
| I 94 over Lignite Creek | 1964 | 4,724 | Fair |
| I 94 over Tongue River | 1961 | 4,707 | Fair |
| I 94 over Vehicle Pass | 1986 | 4,697 | Good |
| I 94 over Jones Creek-stockpass | 1962 | 4,393 | Fair |
| S 59 over Yellowstone River | 1957 | 2,949 | Fair |
| US 94 over Tongue River | 2007 | 2,771 | Fair |
| I 94 over Sep Cemetery Rd | 1961 | 2,354 | Fair |
| I 94 over Tongue River | 1974 | 2,354 | Fair |
| I 94 over Int P-23 Broadus | 2019 | 2,349 | Good |
| I 94 over Int P-23 Broadus | 2020 | 2,349 | Good |
| I 94 over Sep Cemetery Rd | 1974 | 2,349 | Fair |
| I 94 over Cottonwood Creek | 1971 | 2,232 | Fair |
| I 94 over Dixon Creek | 1984 | 2,232 | Fair |
| I 94 over Dixon Creek | 1984 | 2,232 | Fair |
| I 94 over Sep Access Rd-drainage | 1971 | 2,232 | Fair |
| I 94 over Sep Access Rd-drainage | 1971 | 2,232 | Fair |
| I 94 over Cottonwood Creek | 1971 | 2,137 | Fair |
| I 94 over Int Diamond Ring | 1971 | 2,137 | Fair |
| I 94 over Int Diamond Ring | 1971 | 2,137 | Fair |
| I 94 over Sep Access Road | 1971 | 2,137 | Fair |
| I 94 over Sep Access Road | 1971 | 2,137 | Fair |
| S 59 over South Fork Sunday Creek | 1930 | 1,474 | Fair |
| S 59 over Grimes Creek | 1962 | 1,258 | Fair |
| US 94 over Int W Miles City-i 94 | 1961 | 1,191 | Fair |
| US 94 over RR | 1954 | 1,191 | Fair |
| S 59 over Mill Creek-stockpass | 1986 | 942 | Fair |
| S 59 over North Woman Creek | 1986 | 942 | Good |
| S 59 over North Fork Sunday Creek | 1963 | 727 | Fair |
| S 59 over Pumpkin Creek | 1962 | 660 | Fair |
| S 59 over Pumpkin Creek | 2003 | 660 | Fair |
| S 489 over Sunday Creek | 1961 | 607 | Fair |
| US 12 over Bensley Creek | 1999 | 585 | Good |
| US 94 over Int Baker-i 94 | 1974 | 585 | Fair |
| Cemetary Rd over T and Y Canal 065 | 1978 | 554 | Fair |
| US 12 over Powder River | 1973 | 552 | Fair |
| Frntage Road 81020 over Cottonwood Creek 083 | 1928 | 507 | Poor |
| Frntage Road 81020 over Macks Creek 038 | 1929 | 507 | Poor |
| Frntage Road 81020 over Miles Creek 037 | 1929 | 507 | Poor |
| Wyttenhove Ln over Bensley Creek 030 | 2016 | 397 | Fair |
| Valley Dr E over Int Shirley-i 94 006 | 1984 | 391 | Fair |
| S 332 over Pumpkin Creek | 1959 | 199 | Fair |
| Crow Rock Rd over Grimes Creek 010 | 1986 | 100 | Fair |
| Deadmans Road over North Fork Sunday Creek | 2024 | 100 | Good |
| Frontage Road 005 over Int Radar Base-i 94 004 | 1961 | 100 | Fair |
| Frontage Road 005 over Moon Creek 093 | 2013 | 100 | Good |
| Frontage Road 205 over Cottonwood Creek 072 | 1929 | 100 | Poor |
| Frontage Road 205 over Snell Creek 073 | 1928 | 100 | Poor |
| Kircher Creek Rd over T and Y Canal 032 | 1938 | 100 | Poor |
| Lower Rd over Muster Creek 001 | 1994 | 100 | Fair |
| Pacific Ave over Tongue River 056 | 2006 | 100 | Fair |
| Signal Butte Rd over T and Y Canal 074 | 2001 | 100 | Fair |
| Trail Creek Rd over Mason Creek 059 | 2016 | 100 | Good |
| Trail Creek Rd over Powder River 061 | 1926 | 100 | Fair |
| S 332 over Foster Creek | 1952 | 87 | Fair |
| Frontage Road 201 over Int Moon Creek-i 94 005 | 1962 | 82 | Fair |
| Moon Creek Rd over Cottonwood Creek 044 | 1928 | 82 | Fair |
| Tusler Rd over Yellowstone River 094 | 1907 | 78 | Fair |
| Trail Creek Rd over Mizpah Creek 086 | 1981 | 56 | Fair |
| Trail Creek Rd over Strevell Creek 042 | 2018 | 56 | Good |
| Powderville Rd over Mizpah Creek 020 | 1931 | 47 | Fair |
| Powderville Rd over Pumpkin Creek 002 | 1981 | 47 | Fair |
| Powderville Rd over Sand Creek 003 | 1980 | 47 | Fair |
| Powderville Rd over Spring Creek 019 | 1912 | 47 | Fair |
| Moon Creek Rd over Tongue River 041 | 1988 | 36 | Fair |
| County Road 214 over Pumpkin Creek 043 | 1968 | 33 | Fair |
| Powder River Rd over Ash Creek 017 | 1983 | 31 | Fair |
| Whitney CR Rd over O`fallon Creek | 1990 | 31 | Good |
| N Locate Rd over Locate Creek 045 | 1901 | 23 | Fair |
| Sheep Creek Rd over Sheep Creek | 2023 | 22 | Good |
| County Road 304 over Pennel Creek 036 | 1982 | 18 | Fair |