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National Organizations:
American Association of State Highway and Transportation Officials (AASHTO)
Standard specifications for highway bridges; governs design of CON/SPAN® bridge units used on highways
American Railway Engineering and Maintenance-of-Way Association (AREMA)
Manual for Railway Engineering; governs design of CON/SPAN® bridge units used for railroad bridges
American Society for Testing & Materials (ASTM)
Specifications (C 1504) for materials used in CON/SPAN® products
National Association of County Engineers (NACE)
CON/SPAN® Gold Member Sponsorship
National Precast Concrete Association (NPCA)
Lists CON/SPAN® licensee member producers
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