Analyzer
Sentence analysis
12Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
橋
bridgenoun
は
topic markergrammar
老廃
age-related deterioration; wearing out; expirationnoun, suru verb
が
subject markergrammar
進ん
advance; go forward; move ahead; precede; go ahead; lead; make progress; improve; deepen; heighten; intensify; be fast (clock); be ahead; gain time; do willingly; do of one's own accord-> 進むgodan verb
でいる
ongoing or resultant state-> ているgrammar
ため、
sake or purposegrammar
補修
repair; mendingnoun, suru verb
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
だ。
plain copulagrammar