N Scale › 3028 Wood Truss Rod Bridge (55' Span) Image 1 of 1 3028 Wood Truss Rod Bridge (55' Span) $35.00 Kit has 4-1/8" to 4-1/2" between supports. Purchase Added! Kit has 4-1/8" to 4-1/2" between supports. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More