Part of speech: Adjective

Definition: present in all places at all times

Source: http://www.merriam-webster.com/dictionary/omnipresent?show=0&t=1387343983

Meaning: I read this word while reading Waterfront: A walk around Manhattan in the chapter The Brooklyn Bridge .When it said the bridge is always iconically omnipresent I think it  meant that hard work done to the bridge is always present out there.