上部構造
abstract
architecture
armature
below
bridge
bridges
building
bypass
cement
city
column
complexity
concrete
constructing
construction
elevated
fitting
freeway
girder
harbor
highway
incremental
interchange
intersection
junction
large
launch
merge
method
modern
nobody
overpass
parking
pillar
pole
railway
reinforcement
road
scaffold
site
sky
steel
structure
support
transportation
underneath
unfinished
urban
way