Texas State Highway 234State Highway 234 is a short state highway connecting Edroy and Odem in San Patricio [County, Texas|San Patricio County], Texas.Route descriptionSH 234 begins in Edroy, at I-37 southbound's exit 22; the roadway north of this interchange is designated Farm to Market [Road 796|FM 796]. The route travels south into central Edroy before turning to the east, where it intersects the frontage road of northbound I-37's exit 22. The highway continues to the east before turning to the southeast, becoming Main Street in Odem. The SH 234 designation ends at U.S. [Route 77 in Texas|US 77]; the roadway beyond this intersection is designated FM 631.HistoryThe route was designated on August 1, 1936 along its current route.