Ocean Shore Railroad

Reporting mark: OSR
Half Moon Bay Coastal Trail - Arroyo de En Medio Bridge (San Mateo County, California)
Concrete stone arch on coastal trail overlayed with pre-fab steel bridge - Originally located on CA-1 until the highway was rerouted.
Closed-spandrel arch bridge over Arroyo de En Medio on Half Moon Bay Coastal Trail
Open to pedestrians only

Liddell Creek Tunnel (Santa Cruz County, California)
Tunnel carrying Liddell Creek under CA 1 & Union Pacific Railroad
Open to traffic

San Vicente Creek Tunnel (Santa Cruz County, California)
Built 1906
Tunnel for San Vicente Creek under CA 1 & Union Pacific Railroad
Open to traffic

Yellow Bank Creek Tunnel (Santa Cruz County, California)
Built 1906
Tunnel carrying Yellow Bank Creek under CA-1 & Union Pacific Railroad
Open to traffic