CO 12

Burro Canyon Bridge (Las Animas County, Colorado)
Built 1936 by the Works Progress Administration
Three-span stone arch bridge over Burro Canyon on CO 12
Open to traffic

Purgatoire River CO 12 Bridge (Las Animas County, Colorado)
Built 1925
Arch bridge over Purgatoire River on CO 12
Open to traffic

Zaracillo Canyon Bridge (Las Animas County, Colorado)
Built 1936
Concrete bridge with stone piers over Zaracillo Canyon on CO 12
Open to traffic