Here's how to tell if your sewage pipe needs repair before it bursts:

1. Inspect the Drains: Look for signs of slow-draining sinks or toilets. This can indicate a partial blockage in the sewage pipe.

2. Check for Odor: A persistent foul smell coming from drains can be a sign of sewage pipe issues.

3. Water Backing Up: If water from your sink or shower starts to back up after flushing the toilet, it could indicate a blockage.

4. Bubbling or Gurgling Sound: If you hear bubbling or gurgling sounds from your pipes, especially when flushing or draining water, it could be due to trapped air caused by a blockage.

5. Soft or Sunken Areas in Your Yard: If you notice areas of your yard that have become soft or sunken, it could indicate a leak or breakage in the underground sewage pipe.

6. Frequent Clogs: Frequent clogs in your drains or toilets can indicate problems with the sewage pipe.

7. Visible Cracks: If you have access to your sewage pipes, look for any visible cracks or damage that could lead to a burst.

8. Changes in Water Pressure: Sudden drops in water pressure or fluctuations in water flow can also signal issues with the sewage line.

9. Discoloration: If you notice discoloration or spots in your walls, ceilings, or floors near the sewage pipes, it could be due to leaks.

10. Pest Infestations: If you notice an increase in pests, especially rodents or insects, around the sewage pipes, it could be a sign of a problem with the line.

If you notice any of these signs, it's important to call in a professional plumber to inspect and repair the sewage pipe as soon as possible to avoid a burst pipe and further damage. Regular maintenance and pipe cleaning can help prevent major problems with sewage pipes.