Wood in Transportation Program (U.S.) · 5 obras en el catálogoObrasFlint Creek Timber Bridge, Granite County, MontantaHigh Point Road Timber Bridge, Bay County, FloridaEast Fork Rosebud Creek Bridge, Carbon County, MontanaLittle Bitterroot River Timber Bridge, Sanders County, MontanaAmerican Farmland Trust Timber Bridge, Franklin County, Pennsylvania