Civil Engineering PE

Category - Foundations

A bridge abutment is required to perform all but which of the following functions?
  1. Serve as a transition to a bridge deck
  2. Retain the backfill or soils behind the abutment
  3. Support the bridge superstructure
  4. Support the bridge loads
Explanation
Answer: D - A bridge abutment is not designed to support the bridge loads. An abutment is designed to distribute loads to the bearing materials below the foundation system, which is most typically a spread footing. A common bridge abutment configuration involves a spread footing and cantilevered stemwall.
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