Diagrams 3 Willamette River Swing Truss Railroad Bridge, Portland Oregon

1910 DRAW SPAN, BOTTOM CHORD, STRINGERS, AND LOADING BEAMS AT TOWER

1910 DRAW SPAN, DETAILS OF TOWER AND PORTALS

DRAW SPAN GENERAL DETAILS, LATERALS AND PACKING DIAGRAM

STRESS SHEET

CENTER TOWER AND PORTALS
