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The eighteen proposed bridges on Arroyo Seco Parkway.

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Center span is 200 feet long, one of the largest plate girder spans in the country. The other steel spans are 104 and 127 feet respectively. Reinforced concrete spans are supported by girders 4 feet thick at center and 7 feet at haunches.

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Freeway Development for Southerly Extension Arroyo Seco Parkway Avenue 22 to Adobe St.

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Sketch of Proposed Arroyo Seco Parkway Extension Through Elysian Park to Los Angeles Civic Center

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Part of the throng of people who attended the official dedication of the Arroyo Seco Freeway.

Great care was taken to protect natural sycamores with masonry retaining walls on the Arroyo Seco Freeway

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Official party at the ribbon cutting ceremony of the Arroyo Seco Freeway dedication – Left to right, Amerigo Bozzani, Highway Commissioner, Chairman of the Celebration Committee; Director of Public Works Frank W. Clark; Sally Stanton, Queen of the 1941 Rose Festival; Governor Culbert L. Olson; Larry Barrett, Chairman, Highway Commission and Ray Cato, Chief, State Highway Patrol

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Arroyo Seco Freeway showing divided highway, paved channel and several overhead structures

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View of open cut under construction through Elysian Park in Los Angeles for southbound traffic extension of Arroyo Seco Freeway

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Map showing proposed southerly extension of Arroyo Seco Parkway through Elysian Park into Los Angeles business district

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Big power shovels, tractors, bulldozers, trucks and some of 2,000 men engaged in building Arroyo Seco extension through Elysian Park

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This view shows existing Figueroa Street tunnel on right and construction at Solano Street grade separation with Park Lane bridge in background.

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The newly completed Arroyo Seco Parkway Extension viaduct and bridge for southbound traffic only are shown at left of picture. Old viaduct and bridge over Los Angeles River for northbound traffic are seen at right

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Southbound traffic is approaching Los Angeles on new Arroyo Seco Extension and through open cut in Elysian Park, City Hall in background

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Southbound traffic passing under Park Row Bridge and Northbound through Elysian Park tunnel

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District VII Freeway Progress

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Extensive grading at site of Bishops Road grade separation and construction of dam that will also serve as highway embankment during Arroyo Seco Freeway extension. Excess excavation material is used for dam which permits extension of city-owned reservoir

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The Elysian Viaduct on the Golden State Freeway where it crosses the Pasadena Freeway (foreground).