St. Helena, California

Spring Mountain Creek Bridge (Napa County, California)
Deck arch bridge over Spring Mountain Creek on Private Driveway
Open to traffic

Sulphur Creek Bridge (Napa County, California)
Built 1910; rehabilitated, concrete bike path, W side added, 1975
Stone arch bridge over Sulphur Creek on CA 29 in Saint Helena
Open to traffic

Sulphur Creek Bridge (Napa County, California)
Built 1908; rehabilitated 1950
Stone arch bridge over Sulphur Creek on Pope Street in Saint Helena
Open to traffic

York Creek Bridge (Napa County, California)
Built 1902; rehabilitated 1942
Stone arch bridge over York Creek on CA 29 in Saint Helena
Open to traffic