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Isometric line art illustration of a multi-span stone masonry arch railway bridge with tracks across a valley.

Isometric line art illustration of a multi-span stone masonry arch railway bridge with tracks across a valley.

A clean 3D isometric technical cutaway illustration of a historic multi-span stone masonry arch railway bridge built across an asymmetrical steep river valley. The bridge features non-uniform pier heights adapted to the rugged natural valley topography, with tall central piers and shorter approach piers. The bridge deck has a subtle 10-degree curved alignment (skewed geometry). The diagram is a partial section/cutaway view showing internal structural components: stone arch barrel, backfill material, internal backing wall, stepped foundations anchored into valley rock, spandrel wall, ballast, and railway tracks. Minimalist monochrome engineering line-art style with subtle shading, isolated on a solid pure white background. High precision, architectural textbook style, no text, no labels, ample negative space around the bridge for future annotation. Voir plus