Hardin Road Bridge
(Napa County, California)Built 1909Stone arch bridge over Maxwell Creek on Hardin RoadOpen to traffic
Horns Creek Bridge
(Napa County, California)Engineer, 1907Stone arch bridge over Horns Creek on Private drive (formerly Silverado Trail)Open to traffic, removed from public use when Silverado Trail realigned.
Trancas Street Bridge
(Napa County, California)Built 1908Five-span stone arch bridge over Milliken Creek on Trancas Street in NapaOpen to traffic