Burr Truss

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.

Read more about Burr Truss:  Design, Gallery, Design Specification

Famous quotes containing the word burr:

    Heaven sometimes hedges a rare character about with ungainliness and odium, as the burr that protects the fruit.
    Ralph Waldo Emerson (1803–1882)