U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000


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Bridges & Structures

Guidelines for the Installation, Inspection, Maintenance and Repair of Structural Supports for Highway Signs, Luminaries, and Traffic Signals

Figures 20-22

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Schematic illustrating the nomenclature associated with a sign bridge
Figure 20. Nomenclature Associated with Sign Bridge. Note: Use of grout pad is optional.

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Schematic illustrating the nomenclature associated with ancillary structure tower supports
Figure 21. Nomenclature for Ancillary Structure Tower Supports.

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Schematic illustrating the nomenclature associated with truss to end frame connection
Figure 22. Example-Truss to End Frame Connection Nomenclature.

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Updated: 07/30/2013
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000