Typically, covered bridges are structures with longitudinal timber-trusses which form the bridge's backbone. Some were built as railway bridges, using very heavy timbers and doubled up lattice work.
In Canada … See more

Roofed, rather than covered bridges, have existed for centuries in southern Europe and Asia. In these cases, the cover is to protect the users of the bridge rather than the structure. Examples include:
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In addition to being practical, covered bridges were popular venues for a variety of social activities and are an enduring cultural icon; for example:
• The 1992 novel, The Bridges of Madison County, … See more

• Architectural structure
• List of nonbuilding structure types
• List of bridges with buildings See more

• Covered Bridge Map, an interactive map showing locations of covered bridges in the United States and Canada. However, the data is only current as of the archive date. See more