 In the community of Nelsonia, US 13 becomes a five-lane road with a center left-turn lane and runs past homes and businesses, reaching an intersection with SR 187.From here, the route turns back into a four-lane divided highway and runs through a mix of farm fields and woodland.Upon reaching the community of Mappsville, the median of the road turns into a center left-turn lane and it runs near residences and commercial development, forming a brief concurrency with SR 689.