CESMD
Information for Strong-Motion Station
San Fernando - I210/Hwy 118 Bridge [Abandoned]
CGS - CSMIP Station 24714
Earthquakes recorded by this station
 
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
   
Latitude 34.2878 N
Longitude 118.4084 W
Elevation (m) 357
Site Geology  
Vs30 (m/sec)  
Site Class  
 
No. of Spans10
Plan ShapeCurved.
Total Length1665' (507.5m). Bridge spans range from 138' (42.1m) to 220' (67.1m).
Width of Deck38' (11.6m)
Construction Date1973
Instrumentation1996. 33 accelerometers on the bridge. 3 accelerometers at a free-field site.
 
Superstructure TypeConcrete box girder with 3 intermediate expansion hinges. 1 diaphragm and 1 cantilever abutment.
Substructure TypeCircular columns with elliptical flares. Steel jackets added during retrofit. 1 column per bent.
Foundation TypeCIDH concrete piles or spread footings.
RemarksThis bridge was instrumented under the interagency agreement between Caltrans and DOC. The bridge was retrofitted in 1995.