Riverside, California

Mission Boulevard Bridge (Older) (Riverside County, California)
Built ?; Partially destroyed in the Flood of 1916; Repalced 1923
Lost Pratt through truss bridge over Santa Ana River on Mission Boulevard
Destroyed by flooding

Rubidoux Bridge (Riverside County, California)
Built 1928; Replaced 1953
Lost closed-spandrel arch bridge over Santa Ana River on Route 60
Removed but not replaced; Remains can be found at Carlson Park

UP - Santa Ana River Viaduct (Riverside County, California)
Built 1904
Closed-spandrel arch bridge over Santa Ana River on Union Pacific Railroad
Open to traffic