# Loading \[CSB]

**Two Types of Load Definitions in OpenBrIM**

1. One method for defining loads is to first model the bridge elements. Then, using the **"Construction"** section, users can apply the self-weight loads of the bridge elements to the structure in a sequence.
2. Alternatively, in the **"Loading"** section of the workflow, users can:

* Define the geometry as a surface (quadrilateral or arbitrary), line, or point.
* Specify the magnitude using the following units:
  * **Surface**: Imperial Units (kips/ft²) or Metric Units (kN/m²)
  * **Line**: Imperial Units (kips/ft) or Metric Units (kN/m)
  * **Point**: Imperial Units (kips) or Metric Units (kN)

In addition to these loads, several other types of loads can be applied, such as **Influence Surface LL/BR/CE Loads, Temperature Loads, Prestress Loads, Wind Loads**, and more.

For a detailed explanation of how to define loads, please refer to the related documentation page.


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