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A Comparative Study of AASHTO and Isotropic Bridge Deck Designs

In a continuing effort to provide a solution, engineers in the Construction and Technology Division (C&T) of the Michigan Department of Transportation (MDOT) are studying alternative bridge deck designs. C&T engineers are six years into a study which could eventually save Michigan motorists a considerable amount of tax dollars. The study compares the performance of isotropic bridge decks with decks designed using the American Association of State Highway and Transportation Officials (AASHTO) Standard Specifications for Highway Bridges.