National Park Service History of the Colorado Street Bridge from Pasadena Heritage Bridges in Los Angeles County, California Buildings and structures in Pasadena, California Arroyo Seco (Los Angeles County) Concrete bridges in California Bridges completed in 1913 Bridges on U.S. Route 66 Road bridges on the National Register of Historic Places in California Buildings and structures on the National Register of Historic Places in Pasadena, California Historic American Engineering Record in California 1913 establishments in California Open-spandrel deck arch bridges in the United States