一本橋[ipponbashi] (a) log bridge
仮橋[karibashi] temporary bridge
可動橋[kadoukyou] movable bridge
艦橋[kankyou] bridge (e.g. on a warship)
丸木橋[marukibashi] log bridge

橋脚[kyoukyaku] bridge pier
橋脚舟[kyoukyakushuu] pontoon
橋渡し[hashiwatashi] bridge building
橋頭保[kyoutouhou] bridgehead

アルファ線[arufasen] alpha rays
エックス線[ekkususen] X-ray
サイン曲線[sainkyokusen] sinusoid
スピード線[supiidosen] speed lines
緯線[isen] parallel

一次線輪[ichijisenrin] primary coil
一線[issen] line
一直線[icchokusen] straight line
一番線[ichibansen] track no. 1
一塁線[ichiruisen] first-base line

跨ぐ[matagu] to step over
跨線橋[kosenkyou] overpass
跨る[matagaru] to extend over or into
跨ぎ[matagi] step or stride (over something)

跨道橋[kodoukyou] overpass
跨座式[kozashiki] straddle-beam type
年跨[toshimatagi] continuance into the new year