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Scientists Study True Longevity of Timber Highway Bridges
Snapshot: Do timber bridges last longer than concrete or steel bridges in similar climates This national project aims to generate more reliable data about the true longevity of timber bridges in the U.S. and allows for more accurate life-cycle assessments in the future.
Bridge No. 738 located in Yakima County, Washington, remains in satisfactory condition after 75 years of service. James Wacker, USDA Forest Service