box girder with varying width
a box girder with construction defects
box girder with corrugated steel web
box girder with trapezoidal section
box girder with variable cross section
cast-in-site box girder with large span
Composite Box Girder with Corrugated Steel Webs
continuous box girder with one box double cells
Multi-cell Flat Box Girder with Large Overhang
prestressed concrete composite box girder with cor
prestressed concrete composite box girder with corrugated steel web
Steel Box Girder with Large Size Cantilever Beam
continuous girder with varying section
50m simply supported box girder
60 m precast concrete box girder
a curved box girder bridge
abnormity steel box girder