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Sustainability and “green building” are terms we hear more and more of these days in bridge construction. However, environmentally-sensitive building is not a new phenomenon. The modern practice of green building emerged in the 1990s. Sustainable building involves many components, such as energy efficiency, water management, reducing waste, and selecting sustainable materials. 

Weathering steels are a family of ASTM specifications and several trademarked specifications that exhibit similar corrosion-resistant properties. These corrosion resistant properties along with other practical benefits make weathering steel suitable for many outdoor applications, such as bridge construction, landscape and garden design and roofing and...