Burr Truss
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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
Interior structure of a covered bridge utilizing a kingpost with a Burr Arch structure
Example of a Burr Truss – Baumgardener's Covered Bridge in Lancaster County, Pennsylvania, U.S.
Sim Smith Covered Bridge, Parke County, Indiana. Notice the arch projects below the lower chords of the bridge.
Mansfield Covered Bridge, Parke County, Indiana. The roof was missing after a major storm and the interior design was easier to see.
The Leatherwood Station Covered Bridge is a single span double Burr Arch Truss covered bridge structure that was built by Joseph A. Britton & Son in 1899. Originally it had sandstone abutments but whe
Detail of splice in lower chord underneath bridge
Detail of Northwest portal entrance bracing