NBI ASCII Files

Note: The "10 Year Rule" was applied in the determination of deficiency status within these data tables. The "10 Year Rule" excludes bridges built or reconstructed within the past 10 years since they are not generally eligible for Highway Bridge Program funding.

• Recording and Coding Guide for the Structure Inventory and Appraisal of the Nations Bridges (pdf, 0.8 Mb) (doc, 2.2 mb)
  • Errata Sheet for Coding Guide (03/2004)
• Record Format
  
  
• 1992 Data
• 1993 Data
• 1994 Data
• 1995 Data
• 1996 Data
• 1997 Data
• 1998 Data
• 1999 Data
• 2000 Data
• 2001 Data
• 2002 Data
• 2003 Data
• 2004 Data
• 2005 Data
• 2006 Data
• 2007 Data
• 2008 Data
• 2009 Data
• 2010 Data
• 2011 Data

Note on saving data files

Some of the data files are large and can take some time to load. After you click on the link, please make sure the file is loaded before saving. Below are examples of a file loading and a file completely loaded.

• Screen shot of ascii file loading
• Screen shot of file completely loaded.

Note on using the data:

After downloading the data you will need to distinguish the subset of "highway bridges". To obtain this set items 5a=1; 49>=6.1meters; 112=Y and 42a=1 or 4 or 5 or 6 or 7 or 8.