Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| C Street SW Interchange | Crossing | 25 | King | 47 18 12 N | 122 14 06 W |
| Chico Interchange | Crossing | 48 | Kitsap | 47 35 11 N | 122 42 44 W |
| Chuckanut Drive Interchange | Crossing | 10 | Skagit | 48 27 05 N | 122 20 15 W |
| Clear Creek Interchange | Crossing | 19 | Kitsap | 47 39 42 N | 122 41 35 W |
| Cloverdale Street Interchange | Crossing | 11 | King | 47 31 34 N | 122 20 01 W |
| County Line Interchange | Crossing | 257 | Yakima | 46 15 22 N | 119 52 52 W |
| Duwamish Junction | Crossing | 4 | King | 47 30 24 N | 122 17 32 W |
| East Cle Elum Interchange | Crossing | 586 | Kittitas | 47 11 00 N | 120 54 11 W |
| Eastgate Interchange | Crossing | 100 | King | 47 34 44 N | 122 08 24 W |
| Eighty Fourth Avenue Northeast Interchange | Crossing | 16 | King | 47 38 09 N | 122 13 41 W |
| Ellingson Interchange | Crossing | 21 | King | 47 16 23 N | 122 15 33 W |
| Evergreen Way Interchange | Crossing | 164 | Snohomish | 47 55 39 N | 122 13 38 W |
| Factoria Interchange | Crossing | 34 | King | 47 34 49 N | 122 10 29 W |
| Fife Interchange | Crossing | 6 | Pierce | 47 14 27 N | 122 21 26 W |
| Fifteenth Street Northwest Interchange | Crossing | 21 | King | 47 19 20 N | 122 14 42 W |
| Fishtrap Interchange | Crossing | 687 | Lincoln | 47 23 45 N | 117 50 27 W |
| Fourteenth Avenue South Interchange | Crossing | 7 | King | 47 31 11 N | 122 18 59 W |
| Gig Harbor Interchange | Crossing | 89 | Pierce | 47 19 15 N | 122 35 25 W |
| Granger Interchange | Crossing | 225 | Yakima | 46 20 42 N | 120 10 40 W |
| Hewitt Avenue Interchange | Crossing | 11 | Snohomish | 47 58 49 N | 122 11 18 W |
| Interstate Eighty-two Interchange | Crossing | 457 | Kittitas | 46 58 08 N | 120 30 34 W |
| Iowa Street Interchange | Crossing | 15 | Whatcom | 48 45 18 N | 122 27 44 W |
| Lake Goodwin Road Interchange | Crossing | 38 | Snohomish | 48 09 08 N | 122 11 20 W |
| Lakeway Drive Interchange | Crossing | 48 | Whatcom | 48 44 45 N | 122 27 57 W |
| Lindsay Avenue Interchange | Crossing | 63 | Whatcom | 48 42 50 N | 122 28 29 W |
| McManamy Cutoff | Crossing | 497 | Kittitas | 47 02 56 N | 120 37 28 W |
| Mellen Street Interchange | Crossing | 50 | Lewis | 46 42 42 N | 122 58 32 W |
| Meridian Street Interchange | Crossing | 33 | Whatcom | 48 46 58 N | 122 29 12 W |
| Midlakes Interchange | Crossing | 38 | King | 47 37 03 N | 122 11 19 W |
| Midway Interchange | Crossing | 107 | King | 47 23 29 N | 122 17 27 W |
| National Avenue Interchange | Crossing | 56 | Lewis | 46 40 32 N | 122 58 33 W |
| Newberry Hill Interchange | Crossing | 29 | Kitsap | 47 38 13 N | 122 42 25 W |
| Newport Interchange | Crossing | 63 | King | 47 33 55 N | 122 05 54 W |
| Newport Way Interchange | Crossing | 38 | King | 47 34 04 N | 122 10 47 W |
| Ninety Second Avenue NE Interchange | Crossing | 57 | King | 47 38 33 N | 122 12 57 W |
| North Castle Rock Interchange | Crossing | 34 | Cowlitz | 46 17 04 N | 122 54 09 W |
| North Creek Interchange | Crossing | 11 | King | 47 46 12 N | 122 11 21 W |
| North Ferndale Interchange | Crossing | 11 | Whatcom | 48 51 28 N | 122 35 12 W |
| North Renton Interchange | Crossing | 60 | King | 47 30 08 N | 122 11 44 W |
| Northeast Fiftyfirst Street Interchange | Crossing | 101 | King | 47 39 16 N | 122 08 11 W |
| Northrup Interchange | Crossing | 55 | King | 47 37 57 N | 122 11 15 W |
| Northwest Avenue Interchange | Crossing | 48 | Whatcom | 48 47 03 N | 122 30 12 W |
| Oakes Avenue Interchange | Crossing | 586 | Kittitas | 47 11 28 N | 120 56 10 W |
| Olympic Interchange | Crossing | 90 | Pierce | 47 18 18 N | 122 34 34 W |
| One hundred eighth Avenue NE Interchange | Crossing | 16 | King | 47 38 23 N | 122 11 47 W |
| One hundred forty eighth Avenue Northeast Interchange | Crossing | 103 | King | 47 37 59 N | 122 08 34 W |
| One hundred thirty second Avenue Northeast Interchange | Crossing | 20 | King | 47 45 29 N | 122 09 49 W |
| One hundred twentieth Street Interchange | Crossing | 62 | King | 47 37 55 N | 122 10 49 W |
| One hundredth Avenue Southeast Interchange | Crossing | 15 | King | 47 34 40 N | 122 12 20 W |
| Oyster Bay Interchange | Crossing | 33 | Kitsap | 47 34 09 N | 122 41 05 W |
| Pleasure Point Interchange | Crossing | 5 | King | 47 34 04 N | 122 11 54 W |
| Port of Tacoma Interchange | Crossing | 7 | Pierce | 47 14 28 N | 122 23 08 W |
| Post Road Interchange | Crossing | 135 | Snohomish | 47 52 56 N | 122 14 00 W |
| Samish Inn Interchange | Crossing | 156 | Whatcom | 48 41 16 N | 122 23 57 W |
| Sedgwick Road Interchange | Crossing | 62 | Kitsap | 47 30 03 N | 122 38 44 W |
| South Bellingham Interchange | Crossing | 68 | Whatcom | 48 43 55 N | 122 28 08 W |
| South Blaine Interchange | Crossing | 14 | Whatcom | 48 58 29 N | 122 43 25 W |
| South Castle Rock Interchange | Crossing | 26 | Cowlitz | 46 15 36 N | 122 53 14 W |
| South Ellensburg Interchange | Crossing | 452 | Kittitas | 46 58 24 N | 120 32 21 W |
| South Ferndale Interchange | Crossing | 9 | Whatcom | 48 50 49 N | 122 34 34 W |
| Spokane Street Interchange | Crossing | 38 | King | 47 34 22 N | 122 19 09 W |
| Standard Crossing | Crossing | 83 | Whatcom | 48 44 42 N | 122 12 07 W |
| State Route 530 Interchange | Crossing | 14 | Snohomish | 48 11 16 N | 122 12 10 W |
| State Route Six Interchange | Crossing | 56 | Lewis | 46 39 37 N | 122 58 42 W |
| State Route Twenty Interchange | Crossing | 9 | Skagit | 48 28 04 N | 122 20 31 W |
| State Route Twenty Interchange | Crossing | 9 | Skagit | 48 28 04 N | 122 20 31 W |
| Sunset Street Interchange | Crossing | 53 | Whatcom | 48 46 15 N | 122 27 50 W |
| Thirtieth Street Interchange | Crossing | 56 | Lewis | 46 38 46 N | 122 57 32 W |
| Thirtyseventh Street Interchange | Crossing | 214 | Douglas | 47 28 17 N | 120 18 37 W |
| Thomas Street Interchange | Crossing | 13 | King | 47 21 13 N | 122 14 40 W |
| Twentieth Avenue West Interchange | Crossing | 173 | Snohomish | 47 55 22 N | 122 15 38 W |
| Tyler-Cheney Interchange | Crossing | 699 | Spokane | 47 26 10 N | 117 47 27 W |
| Wahl Road Interchange | Crossing | 23 | Pierce | 47 11 32 N | 122 13 45 W |
| Werner Road Interchange | Crossing | 48 | Kitsap | 47 33 28 N | 122 40 20 W |
| West Auburn Interchange | Crossing | 22 | King | 47 18 12 N | 122 15 10 W |
| West Cle Elum Interchange | Crossing | 612 | Kittitas | 47 11 42 N | 120 57 40 W |
| West Ellensburg Interchange | Crossing | 469 | Kittitas | 47 00 22 N | 120 35 28 W |
| West Grandview Interchange | Crossing | 232 | Yakima | 46 16 16 N | 119 55 25 W |
| Wilburton Interchange | Crossing | 14 | King | 47 36 10 N | 122 11 04 W |
| Woodinville Interchange | Crossing | 8 | King | 47 45 32 N | 122 11 04 W |
| Yarrow Bay Interchange | Crossing | 16 | King | 47 38 33 N | 122 12 04 W |
| Aberdeen Lake Dam | Dam | 14 | Grays Harbor | 46 58 53 N | 123 44 29 W |
| Alaska Street Reservoir North Dam | Dam | 115 | Pierce | 47 14 35 N | 122 27 28 W |
| Alaska Street Reservoir South Dam | Dam | 113 | Pierce | 47 14 29 N | 122 27 28 W |
| Alder Dam | Dam | 288 | Pierce | 46 48 05 N | 122 18 37 W |
| Alexander Lake Dam | Dam | 80 | Kitsap | 47 32 44 N | 122 43 19 W |
| Alkali Lake Dam | Dam | 333 | Grant | 47 30 60 N | 119 30 03 W |
| Anderson Pond Dam | Dam | 40 | Pierce | 47 11 53 N | 122 39 22 W |
| Antilon Lake Dam | Dam | 725 | Chelan | 47 57 41 N | 120 09 10 W |
| Antilon Saddle Dam | Dam | 1016 | Chelan | 47 58 59 N | 120 09 34 W |
| Antilon Saddle Dam Number Two | Dam | 710 | Chelan | 47 58 17 N | 120 09 34 W |
| Armstrong Lake Dam | Dam | 657 | Lincoln | 47 26 06 N | 118 11 34 W |
| Asotin Dam | Dam | 482 | Asotin | 46 20 15 N | 117 00 49 W |
| Ayer Reservoir Dam | Dam | 95 | San Juan | 48 37 53 N | 122 53 47 W |
| B and W Pond Dam Number One | Dam | 433 | Skamania | 45 39 17 N | 122 02 34 W |
| B and W Pond Dam Number Three | Dam | 354 | Skamania | 45 39 05 N | 122 02 46 W |
| Baker Dam | Dam | 148 | Skagit | 48 32 51 N | 121 44 28 W |
| Baker Lake Dam | Dam | 718 | Pend Oreille | 48 12 06 N | 117 16 40 W |
| Bale Dam Number One | Dam | 13 | Pacific | 46 41 23 N | 123 47 41 W |
| Bale Dam Number Two | Dam | 7 | Pacific | 46 41 41 N | 123 47 59 W |
| Ballinger Lake Outlet Dam | Dam | 90 | Snohomish | 47 46 53 N | 122 19 22 W |
| Banks Lake North Dam | Dam | 464 | Grant | 47 56 24 N | 119 01 04 W |
| Barnaby Slough Number Two Dam | Dam | 74 | Skagit | 48 28 41 N | 121 33 04 W |
| Barringer Dam | Dam | 109 | Kitsap | 47 26 11 N | 122 41 40 W |
| Battlepoint Park Reservoir Dam | Dam | 39 | Kitsap | 47 39 59 N | 122 34 53 W |
| Beacon Hill North Reservoir Dam | Dam | 95 | King | 47 34 17 N | 122 18 40 W |
| Beacon Hill South Reservoir Dam | Dam | 95 | King | 47 34 11 N | 122 18 40 W |
| Bear Creek Dam | Dam | 294 | Skagit | 48 37 11 N | 121 44 17 W |
| Beaver Dam | Dam | 157 | Thurston | 46 49 11 N | 122 28 16 W |
| Beaver Lake Dam | Dam | 1696 | Okanogan | 48 27 60 N | 119 52 04 W |