central valley 1820 bridge kit w/walkways

Central Valley -- Modernized Through-Truss Bridge w/Walkways -- Kit - Modern Portals, Single Track 11-15/32" 29.1cm (153 Scale Feet) -- Vertical clearance: Approx. 1.75" 4.45cm from rail head 23'4" N Scale -- Length end to end: Approx. 11-15/32" 29.13cm overall, 153' N Scale -- Length shoe to show: Approx. 11-1/4" 28.6cm center to center, 150' N Scale