need to confirm direction of flow for stream ... toward or away from river.

Need to confirm name of this loop; likely Earle's Court and not Regal Court.

Is the name of this road "Regal Court"?

names of roads needed for this residential subdivision

county boundary

extend Twin Hills Drive using TIGER 2015 information

Bing imagery discontinuity

seems like an odd bridge ... maybe a pedestrian bridge?

should the waterway run under the highway via a culvert/tunnel or should the highway run over the waterway via a bridge?

This is not supported by a GPS trace, so assuming it is local knowledge.