pedestrian overpass, portal structure, architecture with steel and wood s.

antiseismic architecture beam bolts bonus bridge build carpentry connecting construction design earthquake elements engineering flanges floors footbridge galvanizing girder grating gusset handrail industry infrastructure inox ipe iron landscape meccanica metal nuts old outflow overpass passage pathway pattern pedestrian planning plate portal post profile project proof runoff speedway stainless steel street structural structure urban walkway wire wood