Seismic retrofit

North Spring (Downey Ave.) Street over the Los Angeles River (Los Angeles County, California)
Built 1881, Replaced 1928; rehabilitated 1939, seismic upgrade 1992
Concrete arch bridge over Los Angeles River on North Spring Street in Los Angeles
Open to traffic

Seventh Street over the Los Angeles Rivers (Los Angeles County, California)
Built 1910, Second Deck added 1927, Seismic Retrofit 1995
Concrete arch bridge over Los Angeles River on Seventh Street in Los Angeles
Open to traffic