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From page 84... ...
provided information related to the estimated percentage break down of culvert materials and shapes in their state DOT inventory. Of these, circular reinforced concrete culverts made up approximately 35% of the total reported culvert inventory, and circu lar galvanized corrugated metal culverts made up approximately 30%.
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From page 85... ...
• The case examples showed that thorough inspections with clear condition rating criteria could result in choosing tailored repair and rehabilitation practices that address specific resiliency issues and prevent their recurrence. • The case examples detailed DOT requirements for selecting appropriate culvert material, shape, and size for new culvert installation based on current and projected environmental and
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From page 86... ...
A design matrix evaluating materials, cost, decision methodologies, initial design, and emergency response could be useful at the culvert planning and design stage to optimize cost-effectiveness and resilience of the material for the application. • Development of a formalized culvert risk assessment methodology to quantify and assess the risks of extreme weather events, as well as mitigation strategies to help minimize risk.
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