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Structures

Legend for Count, Area, Length of Bridges by Highway System Tables

Legend Code Description
Rural
01 Principal Arterial - Interstate
02 Principal Arterial - Other
06 Minor Arterial
07 Major Collector
08 Minor Collector
09 Local
Urban
11 Principal Arterial - Interstate
12 Principal Arterial - Other Freeways or Expressways
14 Other Principal Arterial
16 Minor Arterial
17 Collector
19 Local
This page last modified on 03/02/09

FHWA
United States Department of Transportation - Federal Highway Administration