Premodifier: alaskan
Head noun: viaduct

Same concepts
http://dbpedia.org/resource/Alaskan_Way_Viaduct

Broader concepts

labelprovenanceconfidence
unsafe structureisap:3192228310.710137
projectisap:4385232040.616794
structureisap:3192228320.567911

Narrower concepts

labelprovenanceconfidence