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Superstructure Codes

                                           
                                           
                                                     
First CharacterSecond and Third CharactersFourth Character
MaterialTypeFeature
CharacterActualCharacterActualCharacterActual
AALUMINUMARARCH0NOT APPLICABLE
CCORRUGATED METALBCBOX GIRDER COMPOSITE DESIGNCCONTINUOUS
FFIBER REINFORCED POLYMER    
IWROUGHT IRONBGBOX GIRDERDDROP-PANEL
LLIGHTWEIGHT CONCRETEBMBEAMFFIXED
MSTONE MASONARYCBBOX CULVERTHCONTINUOUS & PARABOLIC HAUNCH
PPRESTRESSED CONCRETECSSLABLLINEAR HAUNCH
RREINFORCED CONCRETEDGDECK T-GIRDER OR ORTHOTROPICPSPANS WITH STEEL BEAMS ENCASED  IN CONCRETE
SSTEELDTDECK TRUSSRCIRCULAR HAUNCH
TTIMBERFAFILLED SPANDREL ARCHS

SIMPLE
UNRESTRAINING SUPPORT AT EACH SPAN END

WWEATHERING STEELFBRIGID FRAME BOXTTIED
XPOST-TENSIONED CONCRETEFCGIRDER
FLOORBEAM COMPOSITE DESIGN
  
YPRECAST CONCRETEFGGIRDER FLOORBEAM SYSTEM  
  GCRIGID FRAME COMPOSITE DESIGN  
  HTHIGH TRUSS  
  ISILLINOIS BULLETIN SLAB  
  ITINVERTED
T-GIRDER
  
  LPLONG SPAN PIPE  
  LTLOW TRUSS  
  LWLOW-WATER CROSSING  
  MCBEAM COMPOSITE DESIGN  
  MPPIPE  
  OAOPEN SPANDREL ARCH  
  RCRIVETED PLATE GIRDER COMPOSITE  DESIGN  
  RFRIGID FRAME  
  RGRIVETED PLATE GIRDER  
      
  SCGIRDER STRINGER FLOORBEAM  COMPOSITE  
  SGGIRDER STRINGER FLOORBEAM SYSTEM  
  SPSTRUCTURAL PLATE PIPE  
  SSSTRUCTURAL SLAB  
  TATHROUGH ARCH  
  TGTHROUGH GIRDER  
  TUTUNNEL  
  VSVOIDED SLAB  
  WCWELDED PLATE GIRDER COMPOSITE  DESIGN  
  WGWELDED PLATE GIRDER  

 

Example: RCSH - Reinforced Concrete Haunched Slab
   R = Reinforced Concrete
   CS = Slab
   H = Haunched

Adobe PDF file for common Superstructure Codes.