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Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey
 10 b&w photos |  16 data pages |  1 photo caption pages |
How to obtain copies of this item
TITLE:
Van Duzen Bridge, Spanning Van Duzen River at State Highway 36, Carlotta vicinity, Humboldt County, CA
CALL NUMBER:
HAER CAL,12-CARL.V,1-
REPRODUCTION NUMBER:
[See Call Number]
MEDIUM:
Photo(s): 10 (4 x 5 in.)
Data Page(s): 15 plus cover page
Photo Caption Page(s): 1
DATE:
Documentation compiled after 1968.
CREATOR:
Historic American Engineering Record, creator
RELATED NAME(S):
Leonard, John Buck
State of California
Easton, Robert E., field team
Arabak, Gary R., transmitter
Asano, Pete, photographer
Snyder, John W., historian
NOTE:
Survey number HAER CA-9
Building/structure dates: 1922 initial construction
Significance: This is a highway bridge of open spandrel reinforced concrete deck arch type. It is associated with John B. Leonard - leading proponent and important early designer of reinforced concrete bridges in California. It is also one of only three open spandrel type bridges known to be designed by Leonard. The structure is 464 feet in length, has two 207.5 foot arch spans, and is 20 feet wide.
SUBJECTS:
CALIFORNIA--Humboldt County--Carlotta vicinity
arch bridges
bridge construction
transportation engineering
OTHER TITLE:
Upper Blue Slide Bridge, Bridge No. 4-94
COLLECTION:
Historic American Engineering Record (Library of Congress)
REPOSITORY:
Library of Congress, Prints and Photograph Division, Washington, D.C. 20540 USA
DIGID:
http://hdl.loc.gov/loc.pnp/hhh.ca1236
CONTENTS:
Photograph caption(s):
1. Pete Asano, Photographer September 1981 VIEW NORTH OF UPSTREAM SIDE
2. Pete Asano, Photographer September 1981 VIEW NORTH OF UPSTREAM SIDE
3. Pete Asano, Photographer September 1981 VIEW SOUTHWEST OF DOWNSTREAM SIDE
4. Pete Asano, Photographer September 1981 VIEW TO NORTH. DETAIL OF UPSTREAM SIDE SHOWING CENTER PIER AND ARCHES TO CROWNS
5. Pete Asano, Photographer September 1981 VIEW TO NORTH. DETAIL OF UPSTREAM SIDE OF CENTER PIER
6. Pete Asano, Photographer September 1981 VIEW TO WEST ALONG UPSTREAM SIDE
7. Pete Asano, Photographer September 1981 VIEW TO WEST ALONG UNDERSIDE OF BRIDGE FROM EAST ABUTMENT
8. Pete Asano Photographer September 1981 VIEW EAST ALONG DECK
9. Pete Asano, Photographer September 1981 VIEW WEST ALONG DECK
10. Pete Asano, Photographer September 1981 VIEW TO NORTH. DETAIL OF DECK, EXPANSION JOINT, AND NORTH RAIL
CONTROL #:
CA1236
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