Student or Learner
There was a heavy downpour. A woman was walking toward the bride.
The road was under water, brown, muddy and swirling; there it lay, an encroachment of the river upon the dry land, with the high-pitched bridge rearing up out of the water like an island.
I don't understand this part. To what refers the part "there it lay"? To the road or to the bridge?
What does this sentence say in short?