| Lower Midland Bridge | Columbia, OR | 7.5 miles | SE |
| Birkenfeld Bridge | Columbia, OR | 15.4 miles | SE |
| Lewis and Clark Bridge | Columbia, OR | 20.7 miles | SE |
| Youngs Bay Bridge US-101 Alt | Clatsop, OR | 22.8 miles | SW |
| Vinemaple Bridge | Clatsop, OR | 23.3 miles | SW |
| Astoria Bridge | Clatsop, OR | 23.8 miles | NW |
| Lewis and Clark River Bridge | Clatsop, OR | 24.1 miles | SW |
| Youngs Bay Bridge | Clatsop, OR | 24.6 miles | SW |
| Arcadia Bridge | Columbia, OR | 26.7 miles | SE |
| Yunkers High Bridge | Clatsop, OR | 31.4 miles | SW |
| Coal Bank Bridge | Cowlitz, WA | 31.8 miles | NE |
| Skibbereen Bridge | Clatsop, OR | 32.3 miles | SW |
| Graham Bridge | Tillamook, OR | 41.1 miles | SW |
| Sauvie Island Bridge | Multnomah, OR | 48.2 miles | SE |
| Saint Johns Bridge | Multnomah, OR | 52.1 miles | SE |
| Interstate Bridge | Multnomah, OR | 52.8 miles | SE |
| Mills Bridge | Tillamook, OR | 53 miles | SW |
| Rood Bridge | Washington, OR | 53.7 miles | SE |
| Makinster Bridge | Tillamook, OR | 54.3 miles | SW |
| Sollie Smith Bridge | Tillamook, OR | 55 miles | SW |
| Nesika Bridge | Lewis, WA | 55.2 miles | NE |
| Prince Bridge | Tillamook, OR | 56.1 miles | SW |
| Harris Bridge | Washington, OR | 56.3 miles | SE |
| Goodspeed Bridge | Tillamook, OR | 56.5 miles | SW |
| Johnson Bridge | Tillamook, OR | 56.8 miles | SW |
| Stillwell Bridge | Tillamook, OR | 57.4 miles | SW |
| North Aberdeen Bridge | Grays Harbor, WA | 57.5 miles | NW |
| McKenzie Bridge | Tillamook, OR | 57.6 miles | SW |
| Broadway Bridge | Multnomah, OR | 57.6 miles | SE |
| Tone Bridge | Tillamook, OR | 57.7 miles | SW |
| Steel Bridge | Multnomah, OR | 58 miles | SE |
| Burnside Bridge | Multnomah, OR | 58.3 miles | SE |
| Morrison Bridge | Multnomah, OR | 58.5 miles | SE |
| Hawthorne Bridge | Multnomah, OR | 58.7 miles | SE |
| Marquam Bridge | Multnomah, OR | 59.1 miles | SE |
| Scholls Bridge | Washington, OR | 59.1 miles | SE |
| Ross Island Bridge | Multnomah, OR | 59.6 miles | SE |
| Blaser Bridge | Tillamook, OR | 59.6 miles | SW |
| Neilson Bridge | Tillamook, OR | 60.6 miles | SW |
| Sellwood Bridge | Multnomah, OR | 61.7 miles | SE |
| Schamberg Bridge | Washington, OR | 62.1 miles | SE |
| Martins Bridge | Mason, WA | 65.5 miles | NW |
| Shipley Bridge | Clackamas, OR | 65.9 miles | SE |
| Huffaker Bridge | Lewis, WA | 67.1 miles | NE |
| Fields Bridge | Clackamas, OR | 68.2 miles | SE |
| Weiss Bridge | Clackamas, OR | 69.3 miles | SE |
| Bakers Bridge | Clackamas, OR | 70.4 miles | SE |
| Condor Bridge | Tillamook, OR | 71.1 miles | SW |
| Red Bridge | Clackamas, OR | 72.4 miles | SE |
| Knights Bridge | Clackamas, OR | 72.5 miles | SE |
|