Bridges & Structures

National Bridge Inventory (NBI)

• National Bridge Inspection Standards Notice of Proposed Rulemaking

• NBI Regulations, Memos, and Documents

• LTBP InfoBridge Web Portal (NBI data querying, analysis, and visualization tool. Google Chrome recommended.)

• Download NBI Data
• Tables of Frequently Requested NBI Information
• Recording and Coding Guide for the Structure Inventory and Appraisal of the Nations Bridges
  • Errata Sheets for Coding Guide
  • Record Format
• NBI Submittal File Check
  • NBI Data Checks
• FIPS/ANSI Codes and County Code Updates
  • Urban Codes
  • US Census Map

• Download NBI Element Data
• Specification for the National Bridge Inventory Bridge Elements
• NBI Element File Check
  • NBI Element Data Checks (.pdf, 0.1 mb)
  • XML Schema
  • Example XML (4 mb)