Severe flooding in Washington state has left an estimated $40 million or more in road damage, according to early assessments from state or local officials. Reports indicate the flooding overwhelmed infrastructure across affected regions, washing out roads and disrupting transportation networks. Early damage estimates in flood events like this are typically conservative, meaning final costs could climb significantly as crews complete full assessments. Flooding of this scale also raises concerns beyond infrastructure. Prolonged water intrusion into homes, businesses, and public buildings creates conditions where mold can begin growing within 24 to 48 hours. Residents returning to flood-affected properties should assess for moisture damage immediately, as delayed remediation significantly increases the risk of mold colonization. Structural materials like drywall, insulation, and subfloors are particularly vulnerable. Local emergency management agencies are expected to coordinate damage assessments and recovery resources in the coming weeks. Residents in affected areas should document damage thoroughly for insurance purposes and consult remediation professionals before re-occupying water-damaged structures.