An apparently leucistic individual; not albino because the eyes aren't pink. I suspect this is Scaphiophus couchii, but it could perhaps be Spea multiplicity instead. Hard for me to tell without pattern/color cues.
Plains Spadefoot (Spea bombifrons) basking on a blacktop road 23:54 hours
On TX RR 505 @ 2115hrs.
The plains spadefoot toad (Spea bombifrons) is a species of spadefoot toad which ranges from southwestern Canada, throughout the Great Plains of the western United States, and into northern Mexico. Like other species of spadefoot toads, they get their name from a spade-like projections on their hind legs which allow them to dig into sandy soils.