| Armells Creek Bridge | Rosebud, MT | 26.4 miles | NW |
| Sand Creek Bridge | Rosebud, MT | 31.3 miles | NE |
| Cottonwood Creek Bridge | Custer, MT | 38.1 miles | NE |
| Buckingham Coulee Bridge | Treasure, MT | 40 miles | NW |
| Myers Bridge | Treasure, MT | 42.4 miles | NW |
| Paragon Bridge | Custer, MT | 46.4 miles | NE |
| Big Horn River Bridge | Big Horn, MT | 47.1 miles | SW |
| Fort Keogh Bridge | Custer, MT | 49.1 miles | NE |
| Tongue River Bridge | Custer, MT | 50.6 miles | NE |
| North Fork of Sunday Creek Bridge | Custer, MT | 52.6 miles | NE |
| Kircher Creek Bridge | Custer, MT | 55 miles | NE |
| Kinsey Bridge | Custer, MT | 61.8 miles | NE |
| Powder River Bridge | Custer, MT | 69.5 miles | NE |
| Powder River Bridge | Custer, MT | 72.9 miles | NE |
| Mason Creek Bridge | Custer, MT | 73.3 miles | NE |
| Locate Creek Bridge | Custer, MT | 74.7 miles | NE |
| Powder River Bridge | Prairie, MT | 81.4 miles | NE |
| Calipso Bridge (historical) | Prairie, MT | 84 miles | NE |
| Sand Creek Bridge | Garfield, MT | 94.2 miles | NW |
| O'Fallon Creek Bridge | Prairie, MT | 95.9 miles | NE |
| Mosby Bridge | Petroleum, MT | 96.8 miles | NW |
| Yellowstone River Bridge | Prairie, MT | 97.8 miles | NE |
| Bad Route Creek Bridge | Dawson, MT | 102.8 miles | NE |
| Box Elder Creek Bridge | Petroleum, MT | 113.1 miles | NW |
| Bell Street Bridge (historical) | Dawson, MT | 123.2 miles | NE |
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