CESMD

Information for Strong-Motion Station

Eureka - Samoa Channel Bridge

CGS - CSMIP Station 89686

Earthquakes recorded by this station

 

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

   

Latitude	40.8216 N
Longitude	124.1697 W
Elevation (m)	--
Site Geology
Vs30 (m/sec)
Site Class

 

No. of Spans	20
Plan Shape	Straight
Total Length	2507' (764.1m). Bridge spans range from 120' (36.6m) to 225' (68.6m) long.
Width of Deck	34' (10.4m)
Construction Date	1971
Instrumentation	1996. 24 accelerometers on the bridge. 3 accelerometers at a free-field site.

 

Superstructure Type	Prestressed concrete I-girders. Seat abutments.
Substructure Type	Hexagonal concrete columns. 1 column per bent.
Foundation Type	Concrete piles.
Remarks	This bridge was instrumented under the interagency agreement between Caltrans and DOC.