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Endangered Places
Red Cliff Arch
K-18-R
L-19-F
K-17-D
Cherry Creek Arch
Genesee Park Interchange
The Genesee Park Interchange in Jefferson County is a 1970 continuous steel box girder bridge carrying US 40 over I-70. Known as the “Picture Bridge,” it is significant as Colorado’s first continuous steel box girder bridge and a preservation-priority historic bridge.
Historic Bridges of Colorado
Historic Bridges of Colorado highlights 23 preservation-priority bridges identified through Colorado Preservation, Inc.’s Endangered Places Program and the Colorado Department of Transportation. These bridges represent the state’s transportation history, engineering innovation, and long-term preservation planning for historic bridge resources.
Hispanic Cultural Landscapes of the Purgatoire River Valley
This scenic valley, located near the Santa Fe Trail, is dotted with historic adobe homes, plazas, and Penitente churches and is still home to descendants of the Hispanic settlers who arrived in the 1860s. The landscape contains some of the oldest settlements in...