Pictures 4 Willamette River Swing Truss Railroad Bridge, Portland Oregon Tweet 1985 PIER II TO NORTH, BRIDGE OPEN. ST. JOHNS-PORTSMOUTH PENINSULA IN BACKGROUND. OLD SITE OF PORT OF PORTLAND DRYDOCK TO LEFT 1985 TOP OF PIER III AND BULL SHAFT DETAILS. PIER IV IN BACKGROUND. 1978 AERIAL VIEW FROM SOUTHWEST 1985 BULL SHAFT PINION GEAR AND BEARING 1985 No.2 BRAKE AND END OF No.2 MOTOR 1985 ELEVATION OF DRAW SPAN, BRIDGE OPEN. VIEW LOOKING NORTH FROM PIER IV