| Interstate Bridge | Multnomah, OR | 18.8 miles | SW |
| Sauvie Island Bridge | Multnomah, OR | 22.1 miles | SW |
| Saint Johns Bridge | Multnomah, OR | 22.9 miles | SW |
| Broadway Bridge | Multnomah, OR | 24.3 miles | SW |
| Steel Bridge | Multnomah, OR | 24.6 miles | SW |
| Burnside Bridge | Multnomah, OR | 24.8 miles | SW |
| Morrison Bridge | Multnomah, OR | 25.2 miles | SW |
| Hawthorne Bridge | Multnomah, OR | 25.5 miles | SW |
| Marquam Bridge | Multnomah, OR | 25.9 miles | SW |
| Ross Island Bridge | Multnomah, OR | 26.2 miles | SW |
| Lewis and Clark Bridge | Columbia, OR | 27.5 miles | NW |
| Sellwood Bridge | Multnomah, OR | 28.7 miles | SW |
| Bridge of the Gods | Hood River, OR | 32.4 miles | SE |
| Bakers Bridge | Clackamas, OR | 32.6 miles | SE |
| Revenue Bridge | Clackamas, OR | 32.9 miles | SE |
| Barton Bridge | Clackamas, OR | 33.6 miles | SE |
| Rood Bridge | Washington, OR | 33.6 miles | SW |
| Coal Bank Bridge | Cowlitz, WA | 34.3 miles | NW |
| Shipley Bridge | Clackamas, OR | 34.8 miles | SW |
| High Bridge | Hood River, OR | 34.9 miles | SE |
| Four One Half Mile Bridge | Hood River, OR | 35.4 miles | SE |
| Harris Bridge | Washington, OR | 35.8 miles | SW |
| Arcadia Bridge | Columbia, OR | 36 miles | SW |
| Fields Bridge | Clackamas, OR | 36.5 miles | SW |
| Scholls Bridge | Washington, OR | 36.9 miles | SW |
| Schamberg Bridge | Washington, OR | 36.9 miles | SW |
| Weiss Bridge | Clackamas, OR | 37 miles | SW |
| Birkenfeld Bridge | Columbia, OR | 41 miles | NW |
| Lower Midland Bridge | Columbia, OR | 41.3 miles | NW |
| Knights Bridge | Clackamas, OR | 42.4 miles | SW |
| Red Bridge | Clackamas, OR | 43.3 miles | SW |
| Dry Run Bridge | Hood River, OR | 43.7 miles | SE |
| Goods Bridge | Clackamas, OR | 43.7 miles | SW |
| Nesika Bridge | Lewis, WA | 44.1 miles | NE |
| Wrights Bridge | Clackamas, OR | 46 miles | SW |
| Graham Bridge | Tillamook, OR | 46.1 miles | SW |
| Huffaker Bridge | Lewis, WA | 46.6 miles | NE |
| Tucker Bridge | Hood River, OR | 48.3 miles | SE |
| Meadowbrook Bridge | Clackamas, OR | 48.6 miles | SW |
| Tile Factory Bridge | Clackamas, OR | 49.6 miles | SW |
| Vinemaple Bridge | Clatsop, OR | 50.1 miles | NW |
| Dickey Bridge | Clackamas, OR | 50.2 miles | SW |
| Killin Bridge | Marion, OR | 51.3 miles | SW |
| Morris Bridge | Marion, OR | 52.4 miles | SW |
| Monitor Bridge | Clackamas, OR | 54 miles | SW |
| Yunkers High Bridge | Clatsop, OR | 54.5 miles | SW |
| Ross Bridge | Marion, OR | 55.7 miles | SW |
| Jacks Bridge | Clackamas, OR | 56.5 miles | SW |
| Nowlen Bridge | Marion, OR | 57.2 miles | SW |
| Cora Bridge | Lewis, WA | 57.6 miles | NE |
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