Alligator Cracking: What You Need to Know

Alligator cracking, also known as fatigue cracking, is a common pavement distress that occurs due to repeated traffic loading and aging of the asphalt surface. Understanding alligator cracking and its causes is essential for effective pavement maintenance and repair. At, you can find a wide range of products and resources to help you address this issue. In this article, we will explore the key aspects of alligator cracking, including its causes, prevention, and repair methods.

Causes of Alligator Cracking

Alligator cracking typically occurs as a result of several contributing factors:

  1. Heavy Traffic Loads: Alligator cracking often appears in areas with high traffic volume, such as intersections and heavily traveled roads. The repeated stress from vehicles leads to the deterioration of the asphalt surface.
  2. Aging of the Asphalt: Over time, asphalt undergoes natural aging due to exposure to the elements, such as sunlight, water, and temperature fluctuations. This aging process makes the asphalt more susceptible to cracking.
  3. Insufficient Pavement Thickness: If the asphalt layer is too thin or was not designed to withstand the anticipated traffic loads, it can result in premature cracking and pavement failure.

Prevention and Maintenance

Preventing alligator cracking requires proactive pavement maintenance strategies:

  • Regular Inspections: Conduct regular visual inspections of the pavement to identify early signs of distress, including alligator cracking. Prompt detection allows for timely repairs and prevents further deterioration.
  • Proper Design and Construction: Ensure that new asphalt pavements are constructed with the appropriate thickness and adequate structural design to withstand the anticipated traffic loads.
  • Routine Maintenance: Implement routine maintenance activities such as crack sealing, sealcoating, and periodic pavement resurfacing to protect the asphalt surface and extend its lifespan.

Repair Methods

Addressing alligator cracking involves a combination of repair techniques:

  • Patching: Small areas of alligator cracking can be repaired by removing the damaged asphalt and replacing it with new hot mix asphalt or a suitable patching material.
  • Infrared Asphalt Repair: Infrared technology can be used to heat and rejuvenate the damaged asphalt, allowing for seamless blending with the surrounding pavement and achieving a long-lasting repair.
  • Full-depth Reconstruction: In severe cases where alligator cracking extends through multiple pavement layers, a full-depth reconstruction may be necessary to restore the structural integrity of the pavement.


Alligator cracking is a common distress that affects asphalt pavements, but with proper knowledge and maintenance, its impact can be minimized. By understanding the causes of alligator cracking and implementing preventive measures, you can prolong the life of your asphalt surfaces. If repairs are needed, Asphalt Kingdom offers a range of products and solutions to assist you in addressing alligator cracking effectively. Visit for more information and resources to help you maintain and repair your asphalt surfaces. Remember, timely intervention and quality repairs are key to preserving the integrity and durability of your pavements.