National and State Register
Costilla Crossing Bridge
Conejos County
Completed in 1892, this pin/rigid connected, eight-panel Thatcher through truss is significant for its unusual structural style, patented in 1884 by Edwin Thatcher, then Chief Engineer of the Keystone Bridge Company.
Never very popular, only the Wrought Iron Bridge Company manufactured metal versions. It is the oldest vehicular truss in southern Colorado. The property is associated with the Highway Bridges in Colorado Multiple Property Submission.
National Register
Address
County Road, over Rio Grande River, Antonito Vicinity
Site Number
5CN.628