How can you verify the finish quality of transverse joints after placement?

• A. Inspect for an uneven surface and any visible cracks only.
• B. Inspect for smooth surface, correct groove depth and width, no bridging or spalling near the joint.
• C. Judge by color uniformity.
• D. Only rely on contractor’s statement.

Answer: (B)

Ensuring a proper finish for transverse joints hinges on three observable criteria: a smooth surface, correct groove depth and width, and the absence of bridging or spalling near the joint. A smooth surface is essential for ride quality and for proper interaction with sealing materials and doweled joints. The groove formed in the joint must have the specified depth and width so that the joint can accommodate sealant and allow for proper load transfer without gaps or overly tight tolerances that could cause cracking or seal failure. No bridging or spalling near the joint indicates finishing was completed cleanly and that there are no unsound materials or edge defects that could initiate distress or permit water ingress.

Color uniformity alone doesn’t reflect the geometry or integrity of the joint, and relying solely on a contractor’s statement doesn’t provide objective verification. To verify, visually inspect the joint for a uniform, even surface; measure the groove depth and width with appropriate tools; and check for any bridging of material or spalled areas adjacent to the joint.