Related by context. Frequent words. (Click for all words.) 72 trusses 69 steel girders 67 girders 65 steel beams 59 wooden beams 59 truss 59 pilings 58 superstructure 57 girder 55 scaffolding 55 joists 55 concrete slab 54 footings 53 timbers 53 reinforced concrete 52 structurally sound 52 arches 52 roadbed 51 beams 50 concrete slabs 50 masonry 50 brickwork 50 viaduct 50 steel rods 50 exterior walls 49 cupola 49 brick facade 49 crane 49 roof 49 pontoons 49 bulkheads 48 cranes 48 abutments 48 flatbed trailer 48 scaffold 48 retaining walls 48 structural integrity 48 piers 48 retaining wall 48 substructure 48 slab 48 cantilever 47 canopy 47 welded steel 47 ductwork 47 stanchions 47 precast concrete 47 wooden poles 47 sheetrock 46 cornice 46 steel 46 gusset plates 46 paneling 46 slabs 46 fiberglass 46 plywood 46 roofs 46 steeple 46 straw bales 46 concrete 45 corrugated steel 45 structurally unsound 45 stonework 45 tubular steel 45 viaducts 45 galvanized steel 45 cantilevered 45 structures 45 precast 45 guardrails 44 bridge 44 pedestrian bridge 44 rebar 44 fireproofing 44 gable 44 overpass 44 cinder block 44 dome 44 sheet metal 44 welds 44 fasteners 44 abutment 44 roof shingles 44 bricks 43 trestle 43 solid rocket boosters 43 ceiling panels 43 tree trunks 43 cladding 43 bridges 43 structural 43 culvert 43 bulkhead 43 bell tower 42 cinder blocks 42 railings 42 awnings 42 edifice 42 planks 42 boulders 42 limestone