CESMD
Information for Strong-Motion Station
San Bernardino - I10/215 Interchange Br
CGS - CSMIP Station 23631
Earthquakes recorded by this station
 
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
   
Latitude 34.0650 N
Longitude 117.2962 W
Elevation (m) 297
Site Geology Deep alluvium
Vs30 (m/sec) 271 (measured)
Site Class D
Remarks/Notes Site information sources
 
No. of Spans16
Plan ShapeCurved.
Total Length2540' (774.2m). Bridge spans range from 75' (22.9m) to 224' (68.3m).
Width of Deck41' (12.5m)
Construction Date1966
Instrumentation1992. 34 accelerometers on the bridge. 3 accelerometers at a free-field site.
 
Superstructure TypeConcrete box girder structures seperated by hinges.
Substructure TypeOctagonal concrete columns, some with steel jackets added during the retrofit. 1 column per bent.
Foundation TypeSpread footings supported by piles.
RemarksThis bridge was instrumented under the interagency agreement between Caltrans and DOC. The bridge was retrofitted in 1991.