# U Girders

This section defines the Concrete U Girder properties including geometry, sections, and FEA settings.

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**Navigation:** Superstructure > Girders > U Girders
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## Overview

The U-girders are the primary load-carrying elements of the superstructure. This section covers:

* Girder layout assignment
* Section variations along the span
* Haunch thickness
* FEA model settings

## Sections

| Section                                                                                                                                                                              | Description                             |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | --------------------------------------- |
| [Concrete U Girder](https://docs.openbrim.org/examples/concrete-bridge-examples/example-concrete-u-girder-bridge/superstructure-ex1-cug/u-girders-ex1-cug/concrete-u-girder-ex1-cug) | Define U-girder geometry and properties |

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Complete the U-girder definitions before proceeding to deck and diaphragm configuration.
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