O, Gauge 1 and G scale plate girder bridges

Click on the drawing below to see a larger version:

Standard plate girder lengths:
Model no.   PL12     12 inches (305mm)
                   PL24     24 inches (610mm)
                   PL36     36 inches (914mm).
Widths: 
                                 4 inches (102 mm)
                                 2.54 inches (64.5 mm)
                                 2.0 inches (51 mm).

(Above) PL12M for 1:20.3 scale

(Below) Rivet detail