Vail Pass Highway—Respecter of Mountain Ecology

Serial Information: Civil Engineering—ASCE, 1980, Vol. 50, Issue 6, Pg. 70-72

Document Type: Feature article


Environmental constraints to a large degree controlled both the design and construction of a 14-mi segment of Interstate Highway 70 through Vail Pass in Colorado and necessitated adoption of innovative design concepts. Amount of terrain disrupted was reduced by substituting a structure for a cut or fill or restoring terrain by landscaping. Bridge construction presented unique problems and the project included one of first and most extensive uses of segmented posttensioned concrete box girder bridges in North America. Esthetic, environmental and engineering considerations also led to the design of a unique precast concrete retaining wall system.

Subject Headings: Infrastructure construction | Highway and road design | Bridge design | Sustainable development | Girder bridges | Concrete bridges | Highways and roads | Mountains | Colorado | United States | North America

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