12 bridges with vertical clearance data on 405 in Oregon. Lowest: 156.8ft.
| Clearance | Carries | Crosses | Location | Built | Map |
|---|---|---|---|---|---|
| 156.8ft | Nw Couch Burnside | Sb On Ramp Conn 5 | 005 Mi W Of Portland Cc | 1968 | Map |
| 159.1ft | Conn'S 6,7,&8 | Conn 2 (Hwy 47) | Sunset Interchange | 1967 | Map |
| 159.1ft | Nw Couch St | Hwy 61 Nb Conn 2 | 0.5 Mi W Of Portland Cc | 1968 | Map |
| 160.1ft | Nw Everett | Hwy 61 | 0.5 Mi W Portland Cc | 1968 | Map |
| 160.1ft | Burnside St | Hwy 61 | 0.2 Mi N Of Sw Yamhill | 1968 | Map |
| 160.8ft | Salmon St | Hwy 61 | 0.5 Mi Sw Portland Cc | 1968 | Map |
| 163.4ft | Sw 12Th St | Hwy 61 | 0.2 Mi S Of Market St | 1967 | Map |
| 164.0ft | Columbia St | Hwy 61 | 0.1 Mi N Of Market St | 1967 | Map |
| 177.5ft | Sw 5Th Ave | Hwy 61 | 0.4 Mi S Of 12Th Ave | 1964 | Map |
| 186.7ft | Sw Broadway(Conn4) | Hwy 61 | 0.3 Mi S Of Sw 12Th Ave | 1967 | Map |
| 192.6ft | Sw 14 Th Co | Hwy 61 | 0.1 Mi S Of Nw Couch | 1968 | Map |
| 194.9ft | Nw Couch St Co | Hwy 61 | 0.5 Mi W Portland Cc | 1968 | Map |