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Item Title
Purdon Crossing Bridge, Nevada City, Nevada County, CA
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 BridgesTransportation 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
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