Looking for info on Pecos River High Bridge, Texas

Probably safe in the more isolated areas where the rugged terrain apparently discourages travelling long distances on foot. I'm thinking border crossers are looking to be picked up on a highway as close as possible to the border. I would be carefull from DelRio down to Brownsville though. That's based on my experience living in Laredo and working an oilfield on a large isolated ranch near the border for a year.