CESMD
Information for Strong-Motion Station
Ventura - Hwy101/Telephone Rd. Bridge
CGS - CSMIP Station 25725
Earthquakes recorded by this station
 
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
   
Latitude 34.2622 N
Longitude 119.2310 W
Elevation (m) 39
Site Geology  
Vs30 (m/sec)  
Site Class  
 
No. of Spans4 (each bridge)
Plan ShapeSlightly curved with skew.
Total Length204' (62.2m) each bridge. Bridge spans range from 42.5' (13.0m) to 58' (17.7m).
Width of Deck40' (12.2m) instrumented bridge. 52' (15.8m) other bridge.
Construction Date1961
Instrumentation1995. 9 accelerometers on the bridge. 3 accelerometers at a free-field site.
 
Superstructure TypeContinuous concrete box girders without intermediate hinges. Open end seat abutments with rocker bearings and retrofitted with extra pedestals.
Substructure TypeElliptical concrete columns retrofitted with steel jackets. 2 columns per bent on instrumented bridge; 3 columns per bent on other bridge.
Foundation TypeCast-in-steel-shell concrete piles support abutments and columns.
RemarksThis bridge was instrumented under the interagency agreement between Caltrans and DOC. The bridge was retrofitted in 1995.