| Clearwater River Memorial Bridge | Nez Perce, ID | 19.5 miles | NE |
| Indian Timothy Bridge | Asotin, WA | 20 miles | NW |
| Cow Creek Bridge | Wallowa, OR | 30.3 miles | SE |
| Rice Creek Bridge | Idaho, ID | 35.4 miles | SE |
| Central Ferry Bridge | Whitman, WA | 48.4 miles | NW |
| Wickersham Bridge | Walla Walla, WA | 52.2 miles | SW |
| Dent Bridge | Clearwater, ID | 53.1 miles | NE |
| Torrence Bridge | Whitman, WA | 59.8 miles | NW |
| Dorothy Bridge | Umatilla, OR | 61.8 miles | SW |
| Joe West Bridge | Umatilla, OR | 62.9 miles | SW |
| Lyons Ferry Bridge | Franklin, WA | 63.1 miles | NW |
| Matlock Bridge | Whitman, WA | 64.5 miles | NW |
| Fisher Bridge | Whitman, WA | 65.8 miles | NW |
| Partridge Creek Bridge | Idaho, ID | 68 miles | SE |
| Manning Bridge | Idaho, ID | 68.7 miles | SE |
| Antler Ridge | Idaho, ID | 70.4 miles | SE |
| Wind River Pack Bridge | Idaho, ID | 72.1 miles | SE |
| Luckenbill Bridge | Walla Walla, WA | 72.4 miles | NW |
| Split Creek Bridge | Idaho, ID | 79.4 miles | NE |
| Horse Pack Bridge | Clearwater, ID | 83 miles | NE |
| Upper Weitas Pack Bridge | Idaho, ID | 86.8 miles | NE |
| Madame Dorion Bridge | Walla Walla, WA | 88.3 miles | SW |
| Miles Bridge | Baker, OR | 89.7 miles | SW |
| Mackay Bar Bridge | Idaho, ID | 92 miles | SE |
| Eagle Mountain Pack Bridge | Idaho, ID | 94.7 miles | NE |
| Rieth Bridge | Umatilla, OR | 95.5 miles | SW |
| Porphyry Bridge | Idaho, ID | 97.9 miles | SE |
| Sheep Bridge | Valley, ID | 98.1 miles | SE |
| Rocky Ford Bridge | Lincoln, WA | 101.3 miles | NW |
| Hartsell Bridge | Valley, ID | 103.7 miles | SE |
| Monumental Bridge | Valley, ID | 115.6 miles | SE |
| Twelve Mile Creek Bridge | Mineral, MT | 120.4 miles | NE |
| Coles Bridge | Grant, OR | 137.1 miles | SW |
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