Seventh Street Viaduct, Los Angeles, Los Angeles County, CA

Significance: Seventh Street viaduct is one of a group of twelve Los Angeles River Bridges eligible for listing on the National Register of Historic Places. Built over an existing bridge, the viaduct provided a route for automotive and trolley traffic over busy railroads. The City shared the cost of the bridge with the Los Angeles Railway Company who operated the trolley. Unprocessed Field note material exists for this structure: N855 Survey number: HAER CA-282 Building/structure dates: 1910 Initial Construction Building/structure dates: 1927 Subsequent Work