noun
railroad bridge; railway bridge
A bridge specifically built for trains. A straightforward compound of 鉄道 (railroad) and 橋 (bridge).
この鉄道橋は100年以上前に建設された。
This railroad bridge was built over 100 years ago.
川にかかる鉄道橋を列車が渡っ
The train crosses the railroad bridge over the river.
道路橋 is a road bridge for vehicles and pedestrians, contrasting with 鉄道橋 which is for trains.
Compound of 鉄道 (railroad) and 橋 (bridge).