高架橋 — meaning in English

English meaning

• flyover noun A road, bridge, or railway built above another so that traffic can cross without stopping (British English; called an overpass in the US).
• viaduct noun A long bridge, usually made up of a series of spans, that carries a road or railway across a valley or other low ground.

Senses

高架橋 is used for these senses in English:

• flyover (UK, Irish, Commonwealth, Philippines) A road or railway that passes over another, allowing routes to cross without interruption.
• viaduct (transport) A bridge with several spans that carries rail or road traffic over a valley or other obstacles.

flyover — full definition

1. noun A road, bridge, or railway built above another so that traffic can cross without stopping (British English; called an overpass in the US).
2. noun A ceremonial low-altitude pass by aircraft, often military, over an event or crowd.
3. noun Informal: the noncoastal middle of the United States, especially when dismissed as unimportant by people on the coasts.