Mercereau Bridge & Construction Co.

of Los Angeles, California
Colorado Boulevard Bridge (Los Angeles County, California)
Built 1913
Concrete arch bridge over Arroyo Seco on Colorado Blvd. in Pasadena
Open to traffic

Puente Largo Bridge (Los Angeles County, California)
Built 1907
Closed-spandrel arch bridge over San Gabriel River on Bicycle & Pedestrian Path in Duarte
Open to Pedestrians & Bicyclists & Equestrians

Salt River Bridge (1911) (Maricopa County, Arizona)
Built 1911
Bridge on Center Street (now Central Ave)
Replaced by a new bridge