Honestly, there isn’t one universal weight capacity for a standard urban trash bin. It depends on the bin type, material, wheels, and manufacturer. For the common residential wheeled cart—often 120 liters, or about 32 gallons—the safe working load is usually around 100 to 150 pounds (45 to 68 kg). Some heavier-duty models are rated for 200 pounds (about 90 kg), but I wouldn’t count on that unless the label or spec sheet says so.
Public street litter bins are a different story. A typical 50–100 liter sidewalk bin may be designed for roughly 50–100 pounds of refuse, while heavy steel or concrete outdoor bins can handle 200 pounds or more. The limiting factors are often the lid hinges, liner, wheels, and lifting mechanism—not just the body of the bin.
For practical use, check the bin’s molded label or your municipal specification. Don’t overfill past the rim, distribute weight evenly, and remember that wet waste is much heavier than dry waste. If you’re buying bins for a building or a city collection route, confirm the rated load with the supplier; “standard” varies a lot from one city to another.