Historic Photographs

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California

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Nevada City vicinity

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Purdon Crossing Bridge, Nevada City, Nevada County, CA



B&W Photos

HB124377
General 'barrel Shot' View

HB124378
General 3/4 View Showing Wooden Deck Of Bridge

HB124379
General 3/4 View Showing Bottom Chord Of Bridge

HB124380
General Elevation View

HB124381
General View Showing Bottom Chord And Flooring System

HB124382
Detail View Looking Along Axis Of The Bridge Showing Bottom Chord And Lateral Bracing

HB124383
Detail View Of The Bottom Chord's Hip Vertical Connection

HB124384
Detail View Of Bottom Chord Connection

HB124385
Detail View Of Hip Vertical Connection With Floor Beam

HB124386
Detail View Of Top Chord Portal Connection

HB124387
Detail View Of Top Chord Connection


Data Pages


Photo Caption Pages


Item Title


Location
Nevada City vicinity, CA

Find maps of Nevada City, CA


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER CA-40
Building/structure dates: 1889 initial construction
Significance: This is a rare surviving example of a pin-connected Pratt Half-Through Truss.

Subjects
Truss Bridges
Transportation Engineering


Related Names
California Department Of Transportation
Lowe, Jet, Photographer


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. GENERAL 'BARREL SHOT' VIEW
2. GENERAL 3/4 VIEW SHOWING WOODEN DECK OF BRIDGE
3. GENERAL 3/4 VIEW SHOWING BOTTOM CHORD OF BRIDGE
4. GENERAL ELEVATION VIEW
5. GENERAL VIEW SHOWING BOTTOM CHORD AND FLOORING SYSTEM
6. DETAIL VIEW LOOKING ALONG AXIS OF THE BRIDGE SHOWING BOTTOM CHORD AND LATERAL BRACING
7. DETAIL VIEW OF THE BOTTOM CHORD'S HIP VERTICAL CONNECTION
8. DETAIL VIEW OF BOTTOM CHORD CONNECTION
9. DETAIL VIEW OF HIP VERTICAL CONNECTION WITH FLOOR BEAM
10. DETAIL VIEW OF TOP CHORD PORTAL CONNECTION
11. DETAIL VIEW OF TOP CHORD CONNECTION


Back to Nevada City vicinity, California