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Video Library
A collection of instructional and informational videos to help you make decisions about the renewal, renovation, and construction of your wood transportation structures.
See the videos![](https://webarchive.library.unt.edu/web/20201218115343im_/https://intrans.iastate.edu/app/uploads/sites/12/2018/09/Covered-Brdiges-640x380.jpg)
World Guide to Covered Bridges
An ever growing searchable database of individual covered bridges, both past and present, from around the United States.
Search the database![](https://webarchive.library.unt.edu/web/20201218115343im_/https://intrans.iastate.edu/app/uploads/sites/12/2018/09/DIP-2009-001Phares-2-1-640x380.jpg)
Demonstration Projects
Learn about active and completed demonstration projects using wood structures.
See the projects![](https://webarchive.library.unt.edu/web/20201218115343im_/https://intrans.iastate.edu/app/uploads/sites/12/2018/09/TB_Performance_Study_4719-013-1-640x380.jpg)
Presentations and Publications Library
Explore our extensive library of conference presentations and wood transportation structures publications dating back to 1905.
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