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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| CESMD |
| Information for Strong-Motion Station |
| Parkfield - Hwy 46/Cholame Creek Bridge |
| CGS - CSMIP Station 36668 |
| Earthquakes recorded by this station |
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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| Latitude | 35.733 N |
| Longitude | 120.289 W |
| Elevation (m) | 346 |
| Site Geology | Alluvium |
| Vs30 (m/sec) | -- |
| Site Class | -- |
| No. of Spans | 5 |
| Plan Shape | Curved with skew. |
| Total Length | 43.5' (13.3m) |
| Width of Deck | 43.5' (13.3m) |
| Construction Date | 1954 |
| Instrumentation | 1993. 6 accelerometers on the bridge. |
| Superstructure Type | Continuous concrete slab on concrete pile bents. |
| Substructure Type | Circular and octagonal concrete piles. 4 piles per bent (after widening). Orginally, 2 piles per bent. |
| Foundation Type | Concrete piles. |
| Remarks | This bridge was instrumented under the interagency agreement between Caltrans and DOC. The bridge was widened to its current width in 1979. |