What role does corrosion play in the maintenance of steel bridges?

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!

Corrosion is a significant concern in the maintenance of steel bridges because it is a primary factor leading to degradation. Over time, exposure to environmental elements such as moisture, oxygen, and pollutants causes the protective oxide layer on steel to break down, resulting in rust formation. This rust not only weakens the structural integrity of the steel but can also lead to loss of cross-sectional area, compromising the load-carrying capacity of the bridge.

Effective maintenance strategies must account for corrosion by implementing regular inspections and protective coatings to slow its progression. Ignoring the effects of corrosion can lead to more serious structural failures and costly repairs, underscoring the importance of addressing this issue in bridge maintenance plans. Hence, recognizing corrosion as a primary factor in the degradation of steel bridges is essential for ensuring their safety and longevity.

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