| name | type | use | Clearance below (m) | date completed | date Opened | Height (m) | city | administrative división | continent | Country | road | waterbody | latitude (°) | Length (m) | longitude (°) | Number of spans | Width (m) | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Alaskan Way Viaduct | 04/04/1953 | Seattle | Washington | Americas | United States | Washington State Route 99 | 47.6039860000 | 3,380 | -122.3382460000 | Map | ||||||||
| First Avenue South Bridge | 1956 | 1956 | Seattle | Washington | Americas | United States | Washington State Route 99 | Duwamish River | 47.5333328247 | -122.3333358765 | Map | |||||||
| Aurora Bridge | Cantilever | Traffic | 51 | 22/02/1932 | 22/02/1932 | 51 | Seattle | Washington | Americas | United States | Washington State Route 99 | Lake union | 47.6333351135 | 898 | -122.3333358765 | 21 | Map |