| Torrence Bridge | Whitman, WA | 18.6 miles | SW |
| Matlock Bridge | Whitman, WA | 22.4 miles | SW |
| Fisher Bridge | Whitman, WA | 27.3 miles | SW |
| Central Ferry Bridge | Whitman, WA | 43.8 miles | SW |
| Indian Timothy Bridge | Asotin, WA | 46.6 miles | SW |
| Clearwater River Memorial Bridge | Nez Perce, ID | 46.7 miles | SE |
| Dent Bridge | Clearwater, ID | 57.2 miles | SE |
| Rocky Ford Bridge | Lincoln, WA | 58.7 miles | NW |
| Lyons Ferry Bridge | Franklin, WA | 60.7 miles | SW |
| Klavano Bridge | Stevens, WA | 86 miles | NW |
| Wickersham Bridge | Walla Walla, WA | 86.6 miles | SW |
| Steinmetz Bridge | Stevens, WA | 87 miles | NW |
| Rice Creek Bridge | Idaho, ID | 88.7 miles | SE |
| Lewis Bridge | Lincoln, WA | 89.4 miles | NW |
| Luckenbill Bridge | Walla Walla, WA | 89.9 miles | SW |
| Noxon Bridge | Sanders, MT | 90.6 miles | NE |
| Clark Fork River Bridge | Sanders, MT | 90.8 miles | NE |
| Horse Pack Bridge | Clearwater, ID | 90.9 miles | SE |
| Twelve Mile Creek Bridge | Mineral, MT | 91.2 miles | NE |
| Main Channel Bridge | Sanders, MT | 91.5 miles | NE |
| Dry Channel Bridge | Sanders, MT | 91.5 miles | NE |
| Cow Creek Bridge | Wallowa, OR | 93.5 miles | SE |
| Upper Weitas Pack Bridge | Idaho, ID | 96.1 miles | SE |
| Dorothy Bridge | Umatilla, OR | 98.7 miles | SW |
| Joe West Bridge | Umatilla, OR | 99.1 miles | SW |
| Split Creek Bridge | Idaho, ID | 101.8 miles | SE |
| Eagle Mountain Pack Bridge | Idaho, ID | 106.2 miles | SE |
| Madame Dorion Bridge | Walla Walla, WA | 109.2 miles | SW |
| Troy Bridge | Lincoln, MT | 112.6 miles | NE |
| Paramenter Creek Bridge | Lincoln, MT | 116.6 miles | NE |
| David Thompson Bridge | Lincoln, MT | 123.6 miles | NE |
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