CESMD

Information for Strong-Motion Station

Ridgecrest - Hwy 395/Brown Road Bridge

CGS - CSMIP Station 33742

Earthquakes recorded by this station

 

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

   

Latitude	35.6696 N
Longitude	117.8187 W
Elevation (m)	729
Site Geology
Vs30 (m/sec)
Site Class

 

No. of Spans	4
Plan Shape	Straight with skew.
Total Length	282' (86.0m). Bridge spans range from 54' (16.5m) to 83' (25.3m).
Width of Deck	42' (12.8m)
Construction Date	1966
Instrumentation	1996. 6 accelerometers on the bridge. 3 accelerometers at a free-field site.

 

Superstructure Type	Continuous concrete box girder. Diaphragm abutments.
Substructure Type	Circular concrete columns. 2 columns per bent.
Foundation Type	CIDH concrete piles support all columns and abutments.
Remarks	This bridge was instrumented under the interagency agreement between Caltrans and DOC.