Truss Bridge Terminology

NW Modeling List nw-modeling-list at
Mon Mar 30 10:57:08 EDT 2020

A teaching moment.  The Maybeury Bridges were ( incorrectly ) called "Camelback" -while the word fits, the accurate engineering term is "Curved Chord".The Maybeury Bridges are through trusses; either "Parker" or "Curved Chord Pratt" - both terms are correct and mean the same.  Same for Central Valley's model of a Parker Truss.Walthers offers a through curved chord Warren Truss ( diagonals differ from Pratt ).
Jerome Crosson;  NWHS in St Peters MO.
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