CESMD

Information for Strong-Motion Station

Corona - I15/Hwy91 Interchange Bridge

CGS - CSMIP Station 13705

Earthquakes recorded by this station

 

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

   

Latitude	33.8820 N
Longitude	117.5497 W
Elevation (m)	187
Site Geology
Vs30 (m/sec)
Site Class

 

No. of Spans	12
Plan Shape	Curved and straight.
Total Length	1600' (487.7m). Bridge spans range from 100' (30.5m) to 150' (45.7m).
Width of Deck	42' (12.8m)
Construction Date	1989
Instrumentation	1994. 9 accelerometers on the bridge.

 

Superstructure Type	Continuous prestressed concrete box girder with 3 intermediate hinges and cable restrainers. Open end seat abutments.
Substructure Type	Octagonal concrete columns with parabolic flares along the upper portion. 1 column per bent.
Foundation Type	Steel piles support bents and abutments.
Remarks	This bridge was instrumented under an interagency agreement between Caltrans and DOC.