Found across the United States, Modern Concrete Segmental Bridges have replaced literally thousands of aging wooden or early concrete styles of the past. Featuring generic parts and easy construction, railroads across the country have been using this bridge style for decades due to its low cost, expandability, ease of maintenance, and durability. Our model faithfully recreates the prototype down to small details like bolt heads! Features: - Easy to Assemble! - Injection-Molded Plastic - Light Gray Concrete Color - Perfect for 1970+ - Ultra-Common Design - Extremely Accurate Detail - Fine-Scale Handrails - Length (Set A - End to End): 6.85" (scale 50 feet) - Width (Trackbed): 1.80" (scale 13 feet) - Width (Outside): 2.63" (scale 19 feet) - Segment Length: 1.92" (scale 14 feet) - Height (floor to bottom): 1.15" (scale 8.3 feet)