File:Design of a plate-girder railroad bridge (1913) (14760875535).jpg - Wikimedia Commons
Vari Girder Plate – PECO
Plate Girder - Structural Guide
Presentation on Steel Plate Girder - YouTube
Plate Girders: Learn Various Types, Components and Designs here
Alpha Learning - A plate girder is a built up section, used to carry heavy loads which cannot be carried economically by rolled sections. It is made by riveting or welding the