National Register of Historic Places in Conejos County

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National Register #85000194
Costilla Crossing Bridge
County Road G Over the Rio Grande River
Antonito

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.

Quoted from the History Colorado website.

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