CESMD

Information for Strong-Motion Station

Sylmar - I5/14 Interchange Bridge

CGS - CSMIP Station 24694

Earthquakes recorded by this station

 

(Station Photograph - click to enlarge)	(Sensor Layout - click to see PDF File)

   

Latitude	34.3349 N
Longitude	118.5084 W
Elevation (m)	440
Site Geology
Vs30 (m/sec)
Site Class

 

No. of Spans	9
Plan Shape	Curved.
Total Length	1582' (482.2m). Bridge spans range from 135' (41.1m) to 198' (60.4m).
Width of Deck	51' (15.5m)
Construction Date	1995
Instrumentation	1995. 39 accelerometers on the bridge. 3 accelerometers at a free-field site.

 

Superstructure Type	Concrete box girder with 1 intermediate expansion joint.
Substructure Type	Octagonal concrete columns. 1 column per bent.
Foundation Type	Circular CIDH concrete piles.
Remarks	This bridge was instrumented under the interagency agreement between Caltrans and DOC.