North Portland traffic data and cameras available here.

South bound

Camera 1267
Camera 1267: I-5 at MP 0.5: SR 14 Interchange

Camera 3033
Camera 3033: I-5 at Interstate Bridge SB, south end

[ Should load map with bridge traffic - click refresh ]
North bound

Camera 3034
Camera 3034: I-5 at Interstate Bridge NB, midspan

Camera 1002
Camera 1002: I-5 at Interstate Bridge NB, south end