Roadway Alignment

This section defines the roadway alignment including horizontal geometry, vertical profile, and cross-sectional properties.

Navigation: Bridge Geometry > Roadway Alignment

For detailed parameter explanations, see the Roadway Alignment Reference.

Steps

Step 1: Navigate to Roadway Alignment

Navigate to Bridge Geometry > Roadway Alignment in the tree view.

Navigation

Step 2: Set Start Station

Enter Start Station as 0 ft.

Step 3: Open Alignment Editor

Click the three-dots icon on the cell and select Editor to define alignment properties.

Editor

Step 4: Add Horizontal Segment

Click the + icon next to Horizontal in the editor.

Add Horizontal

Choose Straight and enter a distance of 450 feet.

Straight Segment

Quick Tip: Vertical Profile

You can edit the Vertical data such as grades and elevations of alignment in the Vertical tab.

Vertical Tab

Step 5: Define Transverse Cross-Section

Click the + icon next to Transverse to define the alignment cross-section at a specific station.

Add Transverse

Step 6: Configure First Station Cross-Section

Enter the cross-section parameters for Station 0:

Parameter	Value
Station	0 ft
Left Edge to PGL	22 ft

Station 0

Step 7: Add Section Component

Click the + icon next to At Sta 0 and enter:

Parameter	Value
Width	22 ft
Left Slope	-2%
Right Slope	2%

Section Component

Step 8: Add Second Station Cross-Section

Click the + icon next to Transverse again to define the cross-section at Station 450.

Add Second Station

Enter the parameters:

Parameter	Value
Station	450 ft
Left Edge to PGL	22 ft
Width	22 ft
Left Slope	-2%
Right Slope	2%

Step 9: Accept Changes

Click Accept to save the alignment configuration.

Quick Tip: Roadway Surface Display

If the 3D Bridge Alignment doesn't appear in the Graphics Window, click Zoom Extents on the right or enable Show Roadway Surface from Settings.

Roadway Surface

Verification

After completing these steps, the roadway alignment should appear as shown below.

Completed Alignment