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The average cost to repair an asphalt driveway is around $2,459 to $2,500. However, prices can range from $100 for minor DIY crack filling to over $4,000 for more extensive professional work. Costs are often calculated per foot, with minor repairs costing $1 to $3 per linear foot and heavier damage like potholes, sinking, or crumbling costing $2 to $5 per linear foot. Patching smaller potholes can cost around $2 to $3 per square foot. The final price depends on the severity and extent of the damage, driveway design, local contractor rates, and whether sealing is included. For major repairs, it is recommended to hire a professional, and you may get a better deal by bundling repair and sealing services together.

Driveway aprons typically range between four and seven inches thick, though your town's building codes will likely have specific requirements. Additionally, you may need to add a layer of permeable aggregate in the excavation below your paved apron to ensure proper stormwater drainage.

With proper maintenance, asphalt milling driveways can last 30 years or more. Over time, you’ll need to regularly sealcoat your driveway. You should also have your driveway inspected every few years and make any repairs as soon as they are necessary; this will prolong the lifespan of your driveway.

Asphalt is made of aggregate materials (sand, rocks, and gravel) and bitumen, a viscous, petroleum-based, waterproof substance. These materials are mixed together at extremely high temperatures to form asphalt.