National Bridge Inspection Standards
Regulations
- National Bridge Inspections Standards Regulation (NBIS) December 14, 2004 (.pdf)
- 2009 Final Rule (pdf) (Revision to 2004 NBIS)
Policy
- National Bridge Inspection Standards Review Process; Notice
- Metrics for the Oversight of the National Bridge Inspection Program (.pdf, 1 mb) (4/1/2013)
Guidance
- Inspection of Bridges and Tunnels on Transit Highway (08/23/2016)
- 23 CFR 650c Non-Regulatory Supplement Compliance with the National Bridge Inspection Standards (09/30/1992)
- Bridge Load Ratings for the National Bridge Inventory (10/30/2006)
- Funding for Bridge Inspection Equipment and Access Features (10/05/05)
- Technical Advisory T5140.21 Revisions to the National Bridge Inspection Standards (NBIS) (09/16/1988)
Information
- Bridge Inspector's Reference Manual (BIRM) (.pdf, 153 mb)
- Federal-aid Program Overview: National Bridge Inspection Standards Video
- National Bridge Inventory (NBI)
- Questions and Answers on National Bridge Inspection Standards
- Recommended Framework for a Bridge Inspection QC/QA Program
- Underwater Bridge Inspection Manual (.pdf, 10 mb)
- Underwater Bridge Repair, Rehabilitation, and Countermeasures Manual (.pdf, 7 mb)