# Limit States

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**Navigation:** Combinations > Design Load Combinations > Limit States

For detailed parameter explanations, see the [Limit States Reference](https://docs.openbrim.org/templates/steel-i-girder-bridge-workflow/combinations-sig/design-load-combinations-sig/limit-states-sig).
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**Step 1:** Click the three-dots on the first cell of the **Name** and click **Import OBPAASHTOLimitState.**

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231027-114816.png?api=v2)

**Step 2:** Import following limit states from OpenBrIM Library

* OpenBrIM Bridge Objects > AASHTO 9th Edition Limit States > Strength Limit States > **StrengthI**
* OpenBrIM Bridge Objects > AASHTO 9th Edition Limit States > Strength Limit States > **StrengthII**
* OpenBrIM Bridge Objects > AASHTO 9th Edition Limit States > Strength Limit States > **StrengthIII**
* OpenBrIM Bridge Objects > AASHTO 9th Edition Limit States > Strength Limit States > **StrengthIV**
* OpenBrIM Bridge Objects > AASHTO 9th Edition Limit States > Strength Limit States > **StrengthV**
* OpenBrIM Bridge Objects > AASHTO 9th Edition Limit States > Service Limit States > **ServiceI**
* OpenBrIM Bridge Objects > AASHTO 9th Edition Limit States > Service Limit States > **ServiceII**
* OpenBrIM Bridge Objects > AASHTO 9th Edition Limit States > Service Limit States > **ServiceIII**
* OpenBrIM Bridge Objects > AASHTO 9th Edition Limit States > Service Limit States > **ServiceIV**
* OpenBrIM Bridge Objects > AASHTO 9th Edition Limit States > Fatigue Limit States > **FatigueI**
* OpenBrIM Bridge Objects > AASHTO 9th Edition Limit States > Fatigue Limit States > **FatigueII**

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231027-120614.png?api=v2)

**Step 3:** Keep the **ηD, ηR** and **ηI** as default.

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231027-121341.png?api=v2)

**Step 4:** Click on the related cells of DC1 and select a **Result Extraction Cases** as **DC1.**

![image-20241003-130723.png](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20241003-130723.png?api=v2)

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231027-123743.png?api=v2)

![image-20241003-130824.png](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20241003-130824.png?api=v2)

**Step 5:** **DC2**, **DW**, **LL**, **BR**, **WS**, **WL**, **TU** and **CE** parameters can be defined similarly to DC1.

![image-20241003-131423.png](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20241003-131423.png?api=v2)

![image-20241003-131538.png](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20241003-131538.png?api=v2)

**Step 6:** Keep the **CL** as default.

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231027-132014.png?api=v2)

**Step 7:** Keep the **Load Cases 2** and **Load Cases 3 parameters** as default.

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231027-132043.png?api=v2)

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231027-132126.png?api=v2)

**Step 8:** Proceed to the [**next step**](#Photo) to verify the model.

{% hint style="success" %}
The completed limit states are illustrated below. Please verify that you have the same model on your end by examining each view provided here. For more information on how to perform visual checks, refer to the quick tips.
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![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231027-133235.png?api=v2)

![image-20241003-131650.png](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20241003-131650.png?api=v2)

![image-20241003-131744.png](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20241003-131744.png?api=v2)

![image-20241003-131912.png](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20241003-131912.png?api=v2)

![image-20241003-135419.png](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20241003-135419.png?api=v2)

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231108-142115.png?api=v2)

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231108-142134.png?api=v2)

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231108-142159.png?api=v2)

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231108-142217.png?api=v2)

![](https://openbrim.atlassian.net/wiki/download/attachments/2126413825/image-20231108-142232.png?api=v2)

{% hint style="success" %}
To view the entire procedure explained on this page, please watch the recorded Video below.
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{% embed url="<https://openbrim.atlassian.net/wiki/download/attachments/2126413825/limit%20states.mp4?api=v2>" %}
limit states
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