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From Wikipedia, the free encyclopedia
Triple Whipple Truss bridge
Plan of a Triple Whipple Truss
Plan of a Triple Whipple Truss
CarriesPedestrians, pipelines, automobiles, trucks, light rail, heavy rail
Span rangeShort to medium – not very long unless it is continuous
MaterialTimber, iron, steel, reinforced concrete, prestressed concrete
MovableMay be movable – see movable bridge
Design effortMedium
Falsework requiredDepends upon length, materials, and degree of prefabrication

The triple whipple truss is a style of truss bridge that was used in the 19th century. In such a bridge, the diagonals are under tension. It was the first scientifically-designed truss bridge in the United States. They cross two neighboring verticals rather than connecting to it like a Pratt truss.[1][2]

The only remaining example of this style in the United States is the Laughery Creek Bridge in Indiana.

Laughery Creek Bridge
  1. ^ "Whipple Truss Bridge". American Society of Civil Engineers. Retrieved 2023-07-08.
  2. ^ "Whipple Truss Bridges". Blair Historic Preservation Alliance. Retrieved 2023-07-08.