CIF is not related to which of the following?

• A. Intersecting welds
• B. Constraint relief gaps
• C. In-plane ASHTO details
• D. Orthogonal intersections

Answer: (C)

CIF in bridge fabrication and inspection deals with how joint pieces must fit together in three-dimensional space during assembly, including weld geometry, clearance, and the way components come together at various joint configurations. Intersecting welds are a direct part of this fit-up challenge because the way welds intersect influences how parts align and how gaps or overlaps are managed. Constraint relief gaps are specifically there to relieve residual constraint and allow for tolerances and thermal effects, which is exactly the kind of scenario CIF addresses. Orthogonal intersections create sharp 90-degree joint geometries that introduce alignment and constraint considerations, another area CIF covers.

In-plane ASHTO details, on the other hand, are standard 2D drawings that specify how members connect within a plane. They describe plan-view details rather than three-dimensional fit-up and constraint behavior. So CIF is not related to in-plane ASHTO details.