Conde McCullough Bridges designed by McCullough Bridges designed by McCullough

| Bridge_name | Location_ | Year_completed | Total_length | Carries_ |
|---|---|---|---|---|
| Old Youngs Bay Bridge | Astoria, Oregon | 1921 | 1,766.2 feet (538.3 m) | U.S. Route 101 |
| Oregon City Bridge | Oregon City, Oregon | 1922 | 745 feet (227 m) | Oregon Route 43 |
| Dry Canyon Creek Bridge | near Rowena, Oregon | 1922 | 101.1 ft | U.S. Route 30 |
| Winchester Bridge | Winchester, Oregon | 1923 | 884 feet | Oregon Route 99 |
| Lewis and Clark River Bridge | Astoria, Oregon | 1924 | 828 feet | U.S. Route 101 |
| Ellsworth Street Bridge | Albany, Oregon | 1925 | 1,090 feet | U.S. Route 20 |
| Rocky Creek Bridge | Lincoln County, Oregon | 1927 | 360 feet | U.S. Route 101 |
| Depoe Bay Bridge | Depoe Bay, Oregon | 1927 | 312 feet | U.S. Route 101 |