Colorado Preservation, Inc. is a 501(c)3 nonprofit charitable organization, Federal Tax number 74-2403583
The Plum Bush Creek Bridge in Washington County is a 1938 concrete rigid frame bridge carrying US 36 over Plum Bush Creek. It is a preservation-priority historic bridge associated with rural highway development on Colorado’s eastern plains.
The West Plum Bush Creek Bridge near Last Chance is a 1938 concrete rigid frame bridge carrying US 36 over West Plum Bush Creek. Listed in the National Register of Historic Places, it is a rare rural example of its bridge type and a preservation-priority historic bridge.
The Boulder Creek Bridge in Boulder County is a 1953 continuous concrete slab and girder bridge carrying SH 119 over Boulder Creek. Listed in the National Register of Historic Places, it is significant as an early unaltered example of a bridge type important to Colorado’s postwar highway development.
The North St. Vrain Creek Bridge near Lyons is a 1955 concrete rigid frame bridge carrying SH 7 over North St. Vrain Creek. Listed in the National Register of Historic Places, it is a rare rural example of its bridge type and a preservation-priority historic bridge.
In 1909, Nunzio Grasso constructed the rusticated sandstone Stranges Grocery Store, now the last remaining building in what used to be Grand Junction’s “Little Italy.” The building has become part of the West-Side Redevelopment Area. The City of...
Two stone pillars along the business loop of U.S. Highway 34 west of Greeley are all that remain of what was once a 320-acre World War II prisoner-of-war camp. The camp was significant to the history of many communities in northeastern Colorado because German and...
Numerous communities abutting, sometimes straddling I-70 in the Clear Creek Valley from Idaho Springs to Graymont, attest to the 19th and early 20th century history of mineral, milling, timber, and railroad industries in Colorado. Idaho Springs has been designated a...
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 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.