20231206 12325000 1.0 TRUE Culvert Inventory This point feature class has 2 related tables; Collector.Collector.Culvert_Inspection and Collector.Collector.Culvert_Inventory_Modification. You can add many records to the related tables that are associated with a single Culvert Inventory (one-to-many relationship). ODOT - Office of Technical Services ODOT - Office of Hydraulic Engineering