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Bituminous pavement becomes increasingly brittle with age. Weathering and traffic cause numerous cracks and fissures in the pavement, which can no longer be effectively sealed by crack filling and sealcoating.
The City of Ramsey anticipates this level of deterioration to occur around 19 years after the pavement initial construction with good preventative maintenance. At this point, the City would program the pavement for a bituminous overlay.
A bituminous overlay provides a one and one half-inch thickness of new bituminous mat over the original surface after City crews have repaired section failures, potholes, and depressions. The type of maintenance provides a new appearance to the surface of the street and adds additional load carrying strength to the pavement.
Here are a few things you can expect during and after the bituminous overlay process: