Burr Truss

Burr bridge
Interior structure of a covered bridge utilizing a kingpost with a Burr Arch structure
AncestorTruss bridge, kingpost bridge
RelatedNone
DescendantNone
CarriesPedestrians, livestock, vehicles
Span rangeShort to medium
MaterialWood planks
MovableNo
Design effortmedium

The Burr Arch Truss—or, simply, Burr Truss or Burr Arch—is a combination of an arch and a multiple kingpost truss design. It was invented in 1804 by Theodore Burr, patented on April 3, 1817, and used in bridges, usually covered bridges.