San Luis Southern Railway Trestle

The San Luis Southern Railway Trestle, in Costilla County, Colorado near Blanca, Colorado, was built in 1910. It was listed on the National Register of Historic Places in 2004.

It is a railroad trestle built by the Southern San Luis Valley Railroad.

It is a 190 ft long structure spanning Trinchera Creek's Rattlesnake Gulch (or Rattlesnake Canyon).