CESMD
Information for Strong-Motion Station
Pasadena - I210/Hwy134 Interchnge Bridge
CGS - CSMIP Station 24689
Earthquakes recorded by this station
 
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
   
Latitude 34.1486 N
Longitude 118.1561 W
Elevation (m) 263
Site Geology  
Vs30 (m/sec)  
Site Class  
 
No. of Spans12
Plan ShapeCurved.
Total Length1682' (512.7m). Bridge spans range from 84' (25.6m) to 175' (53.3m).
Width of Deck38' (11.6m)
Construction Date1974
Instrumentation1994. 6 accelerometers on the bridge. 3 accelerometers at a free-field site.
 
Superstructure Type3-cell concrete box girder with hinges. Open end diaphragm abutments.
Substructure Type7.5' diameter CIDH pile columns. One column per bent.
Foundation TypeCIDH concrete piles support bents and 1 abutment. The other abutment is supported by spread footings.
RemarksThis bridge was instrumented under the interagency agreement between Caltrans and DOC.