CESMD |
Information for Strong-Motion Station |
Watsonville - Hwy1/Struve Slough Bridge |
CGS - CSMIP Station 47707 |
Earthquakes recorded by this station |
Latitude | 36.9067 N |
Longitude | 121.7818 W |
Elevation (m) | 2 |
Site Geology | |
Vs30 (m/sec) | |
Site Class |
No. of Spans | 22 (Left Bridge), 23 (Right Bridge). |
Plan Shape | Straight with skew. |
Total Length | 796' (242.6m) Left Bridge. 833' (253.9m) Right Bridge. Bridge spans are 37' (11.3m) and 28' (8.5m) between bent and abutment. |
Width of Deck | 42.5' (13.0m) each bridge. |
Construction Date | 1990 |
Instrumentation | 1994. 6 accelerometers on the bridge. 3 accelerometers at a free-field site. |
Superstructure Type | Continuous concrete slabs without intermediate hinges. Expansion joints at each abutment. Open end seat abutments. |
Substructure Type | Cast-in-steel-shell concrete piles. Each bent consists of 4 pile extensions. |
Foundation Type | Cast-in-steel-shell concrete piles. |
Remarks | This bridge was instrumented under the interagency agreement between Caltrans and DOC. |