Deteriorated and corroded stay-in-place forms often indicate what condition?

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Prepare for the NHI Bridge Safety Inspection Exam for In-Service Bridges. Utilize flashcards and multiple choice questions featuring hints and explanations. Ensure your readiness for the exam!

Deteriorated and corroded stay-in-place forms serve as a crucial indicator of potential issues with the concrete decks. When the forms show signs of corrosion, it often suggests that there might be contamination affecting the concrete. This contamination can arise from various sources, such as de-icing chemicals or other environmental factors that compromise the integrity of the concrete.

The presence of corroded forms indicates that moisture has likely compromised the protective measures that are ordinarily in place. As the forms deteriorate, it becomes critical to evaluate the composition and potential contamination of the concrete that they support. Identifying this contamination early can help prevent more severe damage and maintenance problems down the line, underscoring the significance of regular inspections that identify not just visual deterioration but also the underlying conditions that could lead to structural issues.