Culverts are important parts of our infrastructure, but they can get dirty over time. If you notice that a culvert is becoming clogged up, there are a few things you can do to clean it. The first step is to clear any debris that’s blocking the culvert. You can use a broom or a shovel to remove any large pieces of debris. Once everything has been cleared away, you can start cleaning the culvert using a hose. Make sure to use soap and water to clean all of the surfaces. Finally, dry the culvert off using a towel or a cloth. ..