Custom and standard bridges for G scale, O scale, and garden railways

Gnome Miniature Engineering is located in Ontario, Canada, in a place that we acknowledge to be the traditional land of the Six Nations of the Grand River.

GME MODEL RAILWAY BRIDGES are multi-scale working structures for small railways rather than scale models. They are hand built from laser cut, brake formed parts, assembled by traditional solid riveting.

Standard bridges are built from corrosion resistant materials for year round operation on garden railways. They are ready to use, painted or unpainted, except for the installation of the track. They have been used with track from 16.5mm gauge for 0n30 to 63.5mm for Gauge 3.

GARDEN RAILWAY BRIDGES: plate girders and underslung trusses for G and larger scales.

O and S SCALE BRIDGES: plate girders, through and underslung trusses, bascule bridges.

EDUCATIONAL MODEL TRUSSES: The truss bridges are available as educational models to demonstrate the principles and properties of trusses.

The model number (TR32 etc) indicates the type and length of the bridge deck in inches. For more information, please contact us at

Updated on 12th January 2023

20 December 2018

O, Gauge 1 and G scale plate girder bridges

Click on the drawing below to see a larger version:

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

A timber deck with attachment hardware, for standard or narrow gauge tracks, is included in the price.You can order any combination of length and width, and we'll be happy to discuss specials. The current maximum length is 36 inches (914 mm) for a single span without intermediate supports.
(Above) PL12M for 1:20.3 scale

(Below) PL36 with deck for 1:20.3 scale

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