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Products > Signal Bridges
The Fabricated Metals, Aluminum Bridge meets or exceeds all AAR and AASHTO recommended design criteria. Proper installation requires only 8 s/s u-bolts to attach our bridge arm to the mast.

Fabricated Metals certified ISO Quality Control Program assures a proper fit.

Bridge Features:


Structure is an all welded construction from 6061-T6 aluminum.

Structure meets AAR, AREMA and AASHTO specifications.

Non-slip slotted walkway grating is 1" thick I Bar grating x 36" wide sections.

Handrail is 44" high with two intermediate bars and a 3/8" x 6" kick plate at bottom.

Base plates are 1-1/2" thick and are welded to the mast. Base plates have slotted holes for easy mounting on 1-1/2" anchor bolts at 19" x 19" spacing. Two per mast, four per bridge.

Main mast upright members are 10" schedule 40 aluminum pipe.

Colorlight & mast assemblies can be provided as necessary.

A safety cage and ladder are provided and include a guard to discourage unauthorized access.

20" x 26" external junction box is provided with 96 AAR terminals.

Pinnacles are provided.

Wiring Harnesses can be provided upon request.

Bridge length can vary.

Standard track clearance is 28'-0".

Design of cantilever allows service of equipment to be done quickly and safely by railroad personnel working safely above the traffic.

Signal Bridge