Beaver Creek Bridge (Fremont County, Colorado)
Built 1923
Pony truss bridge over Beaver Creek on CR 120 (formerly CO 120) in Penrose
Open to traffic

CO 120 Viaduct (Fremont County, Colorado)
Built 1931
Tee beam bridge over the Union Pacific Railroad on CO 120
Open to traffic

Hardscrabble Creek Bridge (Fremont County, Colorado)
Built 1928
Through truss bridge over Hardscrabble Creek on CO 120 in Penrose
Open to traffic

Portland Bridge (Fremont County, Colorado)
Built 1927
Deck truss over the Arkansas River on CO 120 at Portland in Penrose
Open to traffic