Bridge Deck Resurfacing Using Rosphalt 50

Three bridge decks in Maine were resurfaced using Rosphalt 50, a proprietary asphalt additive developed by Royston Laboratories. Rosphalt 50 is a polymeric material that when added to hot mix asphalt creates a rut resistant, impermeable surface for bridge decks that can be used in lieu of membrane waterproofing systems. This project is evaluating the performance of this material.