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Explain Situations that warrant a damage inspection?
- Floods - bridges located in streams, rivers and other waterways with known or suspected scour potential.
- Build-up of debris at piers or abutments - this material build up effectively widens the unit and may cause scouring currents or increase the depth of scour.
- Evidence of deterioration or movement - many underwater deficiencies only become apparent above water when the distress extends above the water line or is manifested by lateral movement or settlement.
- Significant earthquake - bridges also need to be inspected after an earthquake where structural damage is expected.
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