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 Posted - January 12 2026 : 09:41:15 AM
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This is a 3d printed concrete arch bridge that will be the centerpiece of my new Alleghany Railway layout. It was on Ebay as an N scale 2 lane road bridge, but will work well as a single track HO railroad bridge. The C425 gives a sense of its overall size. This bridge came in two halves, and the black 1x4 on edge is there to support the halves while I took the photos. This bridge will span a gorge at an elevation of 10 inches above thee valley floor, in an area where a multi span bridge was impractical because of tracks below interfering with the placement of bridge piers.
There are alot of interesting bridges available from 3d printers that previously you would have had to scratchbuild.
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Country:  USA ~
Posts: 611 ~
Member Since: December 22 2013 ~
Last Visit: March 12 2026
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