Proper maintenance protects structural steel integrity, extending service life and avoiding costly repairs. Ongoing inspections catch early issues, while planned treatments address known degradation factors.

Exterior surfaces require periodic cleaning removing surface contaminants promoting corrosion. High-pressure washing cleans without damaging coatings. Solvents safely remove stubborn deposits.

Coating touch-ups treat cuts and abrasions on galvanized, weathered or painted steel before active corrosion starts. Quality matching original systems restores continuous protection.

Bridges necessitate underside washing removing chloride deicers accelerating deterioration. Drains keep water draining to minimize contact. Expansion joints seal tightly.

Signs of deterioration like rust staining or section loss trigger further examination. Ultrasonic thickness measurements quantify remaining cross-section for member evaluation.

Repairs involve localized emergencies as needs arise from accidents or excessive deterioration. Engineers specify overlay or reinforcing plates restoring full strength.

Cathodic protection systems for underground or water-exposed structures use sacrificial anodes arresting corrosion electrically. Inspectors verify proper voltage levels are maintained.

Joints seal tightly at weatherproof interfaces. Sealant replacements address hardened, cracked or missing sealant allowing water intrusion behind exterior cladding.

Embedded items like anchor bolts receive inspection for soundness and position retention preventing loosened connections. Tightening restores preloads as needed.

Blast cleaning prepares surfaces before major exterior or structural coatings/sealants reapplication on 20-year cycles approximately. Abrasive methods removing all degradation products is crucial to extended protection.

Proactive maintenance prevents costly repairs, down-time or unplanned outages from corrosion-related failures. Periodic inspections accomplishing minor repairs optimize performance and extend design life spans.

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