Joseph D. Conwill became interested in covered bridges in 1966, and has seen every historical covered bridge in North America, including many now gone. He has written several books on covered bridges plus technical articles on timber framing. He is archivist of the National Society for the Preservation of Covered Bridges, and editor of its historical quarterly Covered Bridge Topics.

• Introduction / The Building of a Bridge / Traditional Timber Framing / Labor-saving Bridge Designs / Twentieth-century Covered Bridges / The Challenge of Preservation / Covered Bridges Today, Region by Region / Glossary / Further Reading / Index

Joseph D. Conwill became interested in covered bridges in 1966, and has seen every historical covered bridge in North America, including many now gone. He has written several books on covered bridges plus technical articles on timber framing. He is archivist of the National Society for the Preservation of Covered Bridges, and editor of its historical quarterly Covered Bridge Topics.

• Introduction / The Building of a Bridge / Traditional Timber Framing / Labor-saving Bridge Designs / Twentieth-century Covered Bridges / The Challenge of Preservation / Covered Bridges Today, Region by Region / Glossary / Further Reading / Index