/ Thesaurus / S Synonyms of steel arch bridge Find synonyms for: Noun1. steel arch bridge, bridge, spanusage: a steel bridge constructed in the form of an archWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language