CESMD |
Information for Strong-Motion Station |
Parkfield - Hwy 46/Cholame Creek Bridge |
CGS - CSMIP Station 36668 |
Earthquakes recorded by this station |
Latitude | 35.7331 N |
Longitude | 120.2901 W |
Elevation (m) | 346 |
Site Geology | |
Vs30 (m/sec) | |
Site Class |
No. of Spans | 5 |
Plan Shape | Curved with skew. |
Total Length | 128.5' (39.2m). Bridge spans range from 21' (6.4m) to 28' (8.5m). |
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. |