approach to a bridge; area near a bridge
Refers to the area or road leading up to a bridge, or the vicinity of a bridge. Somewhat literary or formal; in everyday speech, 橋のたもと or 橋の近く are more common.
There was a small teahouse near the bridge.
彼は橋畔に立って川の流れを眺めた。
He stood at the approach to the bridge and watched the river flow.