# Steel I Girder Load Rating

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**Navigation:** Load Rating > Steel I Girder Load Rating

For detailed parameter explanations, see the [Steel I Girder Load Rating Reference](https://docs.openbrim.org/templates/steel-i-girder-bridge-workflow/load-rating-sig/steel-i-girder-load-rating-sig).
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**Step 1:** Click the **three-dots icon** on the **Girder** cell, and then set **G1**.

![image-20250121-125047.png](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20250121-125047.png?api=v2)

**Step 2:** As a result of these operations, an issue will appear on the OpenBrIM screen. This does not necessarily mean that any operation was done incorrectly. The issue will be resolved when the load rating template is defined in the next step.

![](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20231101-114542.png?api=v2)

<details>

<summary><strong>Quick Tip:</strong> Learn how to read issues</summary>

When encountering the warning as seen in OpenBrIM app, there is a "issue" , it is advised to review the parameters you have provided. This warning suggests that there might be a missing or incorrect parameter in your input. Check inputs to ensure they are accurate and complete.

![](https://openbrim.atlassian.net/wiki/download/attachments/2278031376/image-20230919-115446.png?api=v2)

When a warning is clicked, the reason can be displayed. The warning is expressed in the format of Component Group Name (can be viewed in the treeview) > User Defined Component Name (can be viewed in the spreadsheet name column) > Parameter Name (can be viewed in the spreadsheet column header).

After clicking on 'Superstructure > Connections > Bolted Field Splice' in the tree view, navigate to the Bolt category. Set the Bolt Property input. The issue will be resolved after these steps.

![](https://openbrim.atlassian.net/wiki/download/attachments/2278031376/image-20230921-115943.png?api=v2)

The screenshot demonstrates one example of two Bolted Field Splice components named BFS1 and BFS2 by the user, with parameter names **Flange Bolt Property** and **Web Bolt Property**.

![](https://openbrim.atlassian.net/wiki/download/attachments/2278031376/image-20230921-134632.png?api=v2)

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**Step 3:** Enter the **Station** as 240\*\*.\*\*

![image-20250121-125103.png](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20250121-125103.png?api=v2)

**Step 4:** Click the **three-dots icon** on the **Load Rating Template** cell, and then set **SIGLRT1**.

![image-20250121-125119.png](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20250121-125119.png?api=v2)

**Step 5:** Keep the **Panel Type** as default.

![image-20250121-125133.png](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20250121-125133.png?api=v2)

**Step 6:** Click the **three-dots icon** on the **Modular Ratio Comp. Method** cell, and then set **EsbyEc**.

![image-20250121-125146.png](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20250121-125146.png?api=v2)

![image-20250121-125203.png](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20250121-125203.png?api=v2)

**Step 7:** Keep the **Deck Reinforcement, Cover Plates** and **Section Losses parameters** as default.

![image-20250121-125219.png](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20250121-125219.png?api=v2)

![image-20250121-125231.png](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20250121-125231.png?api=v2)

![image-20250121-125255.png](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20250121-125255.png?api=v2)

**Step 8:** Set name as **LoadRatReport**.

![image-20250121-125313.png](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20250121-125313.png?api=v2)

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The completed steel i girder load rating is 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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![image-20250121-125320.png](https://openbrim.atlassian.net/wiki/download/attachments/2126741505/image-20250121-125320.png?api=v2)

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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/2126741505/Steel%20I%20Girder%20Load%20Rating.mp4?api=v2>" %}
Steel I Girder Load Rating
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