Title: Los Angeles Conservancy Collection

Dates: 1996

Collection Number: GC 1281

Creator/Collector: Historic American Engineering Record United States. National Park Service. National Architectural and Engineering Records Division

Extent: (Boxes: 1 letter, 1 5x5 photo)

Repository: Seaver Center for Western History Research, Natural History Museum of Los Angeles County

Abstract: Photographs, negatives, and documents produced for the Los Angeles City HAER program of documenting historic city bridges, including several seismic retrofit documents. 1996, undated

Language of Material: English

Research is by appointment only

Permission to publish, quote or reproduce must be secured from the repository and the copyright holder

Los Angeles Conservancy Collection. Seaver Center for Western History Research, Natural History Museum of Los Angeles County

The collection was donated by the Los Angeles Conservancy

The Historic American Engineering Record (HAER) was originally established in 1969 by the National Park Service, the American Society of Civil Engineers and the Library of Congress to document historic sites and structures related to engineering and industry.

214 items forming one collection of photographs, negatives, and documents for the Los Angeles city Historic American Engineering Record (HAER) program of documenting historic city bridges, including several seismic retrofit documents. 1996, undated. 1. First Street Bridge (First Street Viaduct) HAER No. CA-175; 2a-k. First Street Bridge (First Street Viaduct) HAER No. CA-175 Photo Documentation: 11 8x10 B/W contact sheets; 3. Seismic Retrofit of Franklin Avenue Bridge Document; 4a-d. Franklin Avenue Bridge Photo-Documentation: 4 8x10 B/W contact sheets; 5. Seismic Retrofit of Macy Street Bridge Document; 6a-k. Macy Street Bridge Photo-Documentation: 11 8x10 B/W contact sheets; 7. Ninth Street Viaduct (Olympic Blvd. Viaduct, Olympic Blvd. Bridge) HAER No. CA-177; 8a-i. Ninth Street Viaduct (Olympic Blvd. Viaduct, Olympic Blvd. Bridge) HAER No. CA-177 Photo-Documentation: 9 8x10 B/W contact sheets; 9. Seismic Retrofit of North Broadway Bridge Document; 10a-g. North Broadway Bridge Photo-Documentation: 7 8x10 B/W contact sheets; 11. Seismic Retrofit of Seventh Street Viaduct document; 12a-i. Seventh Street Bridge Photo-Documentation: 9 8x10 B/W contact sheets; 13. Sixth Street Bridge (Sixth Street Viaduct) HAER No. CA-176; 14a-k. Sixth Street Bridge (Sixth Street Viaduct) HAER No. CA-176 Photo-Documentation: 11 8x10 B/W contact sheets; 15. Seismic Retrofit of Washington Blvd. Bridge Document; 16a-e. Washington Blvd. Bridge Photo-Documentation: 5 8x10 B/W contact sheets; 17a-z, 17aa-pp. Macy Street Bridge: 42 4x5 B/W negatives; 18a-z, 18aa-jj. Seventh Street Bridge: 36 4x5 B/W negatives; 19a-z, 19aa. North Broadway Bridge: 27 4x5 B/W negatives; 20a-t. Washington Blvd. Bridge: 20 4x5 B/W negatives; 21a-n. Franklin Avenue Bridge: 14 4x5 B/W negatives.