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California

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Clearlake

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Cache Creek Bridge, Spanning Cache Creek, Dam Road, Clearlake, Lake County, CA



See 18 maps of this location


B&W Photos

HB126840

HB126841

HB126842

HB126843

HB126844

HB126845

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Data Pages


Photo Caption Pages


Item Title
Cache Creek Bridge, Spanning Cache Creek, Dam Road, Clearlake, Lake County, CA

Location
Dam Road vicinity, Clearlake, CA

Find maps of Clearlake, CA


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER CA-49
Building/structure dates: 1909 initial construction
Building/structure dates: 1944 subsequent work
Significance: The Cache Creek Bridge is one of two known remaining examples of Clinton bridges in California. It is also the last remaining through truss highway bridge in Lake County. It represents a type (Parker through truss), period (early 20th century), and method of construction (pin-connected steel truss). The bridge was determined eligible for inclusion on the National Register of Historic Places in December 1983.

Subjects
Civil Engineering
Bridge Construction
Steel Truss Bridges


Related Names
Clinton Bridge & Iron Works
Lake County Public Works Department
Bonham, Gene, Photographer
Simmons, Alexy, Historian


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. WEST ELEVATION
2. NORTHWEST APPROACH
3. SOUTHEAST APPROACH
4. BRIDGE NAMEPLATE, SOUTHEAST APPROACH
5. BRIDGE DECK (NOTE DIAGONAL CRACKS IN ASPHALT), SOUTHEAST END
6. BRIDGE PLATE, WEST ELEVATION
7. DETAIL OF BRIDGE PLATE, LOOKING NORTHWEST
8. ILLINOIS I-BEAM CONNECTION WITH PANEL POINT; PANEL POINT TWO, EAST FACE
9. LOWER CHORD, WHEELGUARD AND ROLLER NEST
10. CONCRETE FILLED CYLINDER ABUTMENT AND WEST END OF CONCRETE DIAPHRAM; SOUTHEAST END
11. ROLLER NEST SOUTHEAST FACE; SOUTHWEST ABUTMENT
12. ROLLER NEST NORTHWEST FACE; SOUTHWEST ABUTMENT
13. SECOND PANEL POINT CONNECTION WITH TOP CHORD; EXTERIOR WEST FACE, SOUTHEAST END
14. SECOND PANEL POINT CENTER PIN CONNECTION WITH TOP CHORD; INTERIOR WEST FACE, NORTHWEST END
15. DETAIL UPPER PANEL POINT FIVE CONNECTION TO MIDDLE PANEL POINT FIVE, LOOKING NORTH


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