Video Library
2012
2012. Development of a Security Manual for Historic Covered Bridges. USDA, Forest Service, Forest Products Lab; FHWA.
2012. Glue-Laminated Timber Stringer Bridges. USDA, Forest Service, Forest Products Lab.
2011
2011. Glue-Laminated Timber: Longitudinal Decks. (download, 276 MB) USDA, Forest Service, Forest Products Lab.
2011. Glue-Laminated Timber: Stress-Lam Decks. (download, 611 MB) USDA, Forest Service, Forest Products Lab.
2008
Alabama Forestry Commission. 2008. Modern Timber Bridges: An Attractive Option. Alabama Forestry Commission.
2004
Eugene Brancolini. 2004. Spanning Time: America's Covered Bridges. Indiana University.
1997
United States Department of Agriculture. 1997. Portable Crossings for Forest Roads and Skid Trails. 9724 1402 SDTDC. USDA, Forest Service, Forest Products Lab.