NBI Submittal File Schema
The NBI Submittal File Schema provides the organization or file structure for reporting data to the National Bridge Inventory (NBI) system for the March 15, 2026, data submittal and all future data submittals. The schema is based on JavaScript Object Notation (JSON), a lightweight format for storing and transporting data that uses attribute-value pairs and arrays to effectively describe the many-to-one data relationships found within the Specifications for the National Bridge Inventory. The use of JSON also supports the integration of NBI inventory and element data into a single submittal.
General Notes Regarding the Schema:
- Refer to the Data Crosswalk for information on the relationships between Coding Guide data items and SNBI data items.
- The Schema uses data tags to identify SNBI data items. These data tags are also identified in the Data Crosswalk.
- The data tags in the Schema are listed and grouped according to the tables and relationships shown in the Introduction to the SNBI.
