That's a great and very practical question! The short answer is: yes, in most cases, a broken hinge on an urban or outdoor trash can can be repaired, but the ease of the fix depends heavily on the can's design and material.
Many modern public-space and heavy-duty residential bins are designed with maintenance in mind. Often, the hinges are not welded but are separate metal or heavy-duty plastic pins inserted through brackets on the lid and the body. If just the pin snaps or bends, you might simply drive it out with a punch and hammer and replace it with a new bolt or a piece of sturdy stainless steel rod. You can sometimes find specific replacement hinge kits from the manufacturer or general hardware that fits.
However, if the plastic bracket on the lid or can body itself is cracked or shattered, repair becomes trickier. For plastic bins, a strong epoxy or plastic welding might work as a temporary fix, but it rarely withstands heavy, repeated use. In such cases, contacting the manufacturer or supplier to inquire about a replacement lid or the specific part is your best bet for a long-term solution.
For a standard domestic outdoor bin, the process is similar. Check if the hinge components are available for purchase online. The repair usually requires just a few basic tools—a screwdriver, pliers, maybe a drill. The key is to ensure the replacement part is corrosion-resistant to match the bin's outdoor use.
So, while not always "easy," it's frequently possible and more cost-effective than replacing the entire unit. Your first step should always be to identify the brand and model and look for official parts or compatible hardware. A little DIY effort can significantly extend the life of your trash can.