This section defines the horizontal, vertical, and transverse alignment for the Steel Tub Girder Bridge.
Step 1: Navigate to Roadway Alignment
Navigate to Bridge Geometry > Roadway Alignment in the tree view.
Roadway Alignment navigation Step 2: Set Start Station
Enter Start Station as 0.
Step 3: Open Alignment Editor
Click the three-dot icon on the cell and select Editor.
Step 4: Add Horizontal Curve
Click the + icon next to Horizontal to add a circular segment.
Step 5: Enter Curve Parameters
Enter the following parameters:
Quick Tip: Vertical Alignment
Modify vertical data (grades and elevations) in the Vertical tab. In this example, vertical data is set to 0.
Step 6: Define Start Cross-Section
Click the + icon next to Transverse to add a cross-section at Station 0.
Step 7: Enter Station 0 Parameters
Enter the following:
Step 8: Add Section Component
Click the + icon next to At Sta+0 to add a section component with:
Step 9: Define End Cross-Section
Add another transverse section at Station 520:
Step 10: Accept Changes
Click Accept to save the alignment.
Quick Tip: Viewing Roadway Surface
If the 3D alignment doesn't appear, click Zoom Extents or enable Show Roadway Surface in Settings.
The completed bridge alignment is shown below.
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