Home > California > Dardanelle vicinity > Middle Fork Stanislaus River Bridge, Spans Middle Fork Stanislaus River at State Highwa, Dardanelle, Tuolumne County, CA
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Item Title
Middle Fork Stanislaus River Bridge, Spans Middle Fork Stanislaus River at State Highwa, Dardanelle, Tuolumne County, CA
LocationSpans Middle Fork Stanislaus River at State Highwa,
Dardanelle vicinity, CA
Find maps of Dardanelle, CA
Created/Published
Documentation compiled after 1968.
Notes
Survey number HAER CA-72
Significance: The Middle Fork Stanislaus River Bridge, also known as the Dardanelle Bridge, represents the last known timber scissors truss -- a bridge type well suited for quick erection in rugged locations without the use of falsework -- in California. It was determined eligible for inclusion in the National Register of Historic Places at the State level under criterion C in 1987.
Subjects
Bridges
Collection
Historic American Engineering Record (Library of Congress)
Contents
Photograph caption(s):
1. CONTEXTUAL VIEW OF BRIDGE IN ITS SETTING, LOOKING NORTHWEST FROM UPSTREAM
2. CONTEXTUAL VIEW OF BRIDGE IN ITS SETTING, LOOKING SOUTHEAST FROM DOWNSTREAM
3. CONTEXTUAL VIEW OF BRIDGE IN ITS SETTING, LOOKING SOUTHEAST FROM DOWNSTREAM
4. OBLIQUE VIEW OF UPSTREAM ELEVATION, LOOKING NORTHWEST
5. OBLIQUE VIEW OF UPSTREAM ELEVATION, LOOKING WEST-NORTHWEST
6. VIEW OF DOWNSTREAM ELEVATION, LOOKING SOUTHEAST
7. VIEW OF DOWNSTREAM ELEVATION, LOOKING SOUTHEAST
8. APPROACH VIEW TO BRIDGE, LOOKING EAST-NORTHEAST
9. APPROACH VIEW TO BRIDGE, LOOKING WEST SOUTHWEST
10. VIEW OF UNDERSTRUCTURE, SHOWING TIMBER SCISSORS TRUSS, FLOOR BEAMS, AND WOODEN DECK SOFFIT, LOOKING WEST-SOUTHWEST
11. DETAIL VIEW OF UNDERSTRUCTURE, SHOWING TIMBER TRUSS END POSTS AND TOP CHORD, TENSION RODS, AND TRUSS FOOTINGS, LOOKING NORTHEAST
12. DETAIL VIEW OF UNDERSTRUCTURE, SHOWING TIMBER TRUSS END POSTS, TOP CHORD, GUSSET PLATES, TENSION RODS, TRANSVERSE BEAM, AND FLOOR BEAM, LOOKING NORTHEAST
13. DETAIL VIEW OF UNDERSTRUCTURE, SHOWING WEST ABUTMENT, FLOOR BEAMS, AND WOODEN DECK SOFFIT, LOOKING WEST-SOUTHWEST
14. DETAIL VIEW OF BRIDGE, LOOKING NORTH, SHOWING DAMAGE TO FLOOR BEAMS AND DECK OF WEST APPROACH SPAN, CAUSED WHEN CONTRACTOR'S FORCES, WORKING ON ADJACENT ABUTMENT FOR REPLACEMENT BRIDGE, DYNAMITED GRANITE BOULDERS INTO UPSTREAM SIDE OF HISTORIC BRIDGE
15. DETAIL VIEW OF UNDERSTRUCTURE, SHOWING DAMAGE TO FLOOR BEAMS AND DECK OF WEST APPROACH SPAN, LOOKING EAST
16. DETAIL VIEW OF DAMAGED AREA OF WEST APPROACH SPAN, SHOWING REMAINING GRANITE OUTCROP BEING BROKEN UP BY HYDRAULIC HAMMER MOUNTED ON A BACKHOE, LOOKING EAST-NORTHEAST
17. DETAIL VIEW SHOWING METAL DECK PLATES COVERING DAMAGED AREA OF WEST APPROACH SPAN
18. DETAIL VIEW OF DAMAGED AREA OF WEST APPROACH SPAN, SHOWING GRANITE OUTCROP BEING REMOVED, LOOKING EAST-SOUTHEAST
19. OVERVIEW SHOWING REMOVAL OF GRANITE OUTCROP, FOLLOWING DAMAGE TO BRIDGE, LOOKING NORTHEAST
20. DETAIL VIEW SHOWING REMOVAL OF GRANITE OUTCROP, FOLLOWING DAMAGE TO BRIDGE, LOOKING NORTHEAST
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