Which factor is not intended to influence condition ratings?

• A. Structural Capacity
• B. Durability
• C. Load-Carrying Capacity
• D. Maintenance History

Answer: (C)

Condition ratings reflect the observed state of deterioration in bridge elements—cracking, corrosion, spalling, wear, and related damage—and how that state affects serviceability and safety. Durability informs how quickly those conditions are likely to progress, and maintenance history shows how past repairs have affected the current condition. Structural capacity may influence interpretation because deterioration can reduce a member’s ability to perform, which can be reflected in the overall condition assessment. The element that is not meant to influence condition ratings is the load-carrying capacity. Load-carrying capacity is determined through structural analysis and reflects how much load the bridge can safely carry, a separate evaluation from the visual and measured condition of the components. A member can look deteriorated yet still meet load requirements, or vice versa, so it’s evaluated separately from condition ratings.