CESMD

Information for Strong-Motion Station

West Sacramento - I80/Yolo Causeway

CGS - CSMIP Station 67972

Earthquakes recorded by this station

 

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

   

Latitude	38.5728 N
Longitude	121.5870 W
Elevation (m)	8
Site Geology
Vs30 (m/sec)
Site Class

 

No. of Spans	220
Plan Shape	Straight.
Total Length	8800' (2682.4m). Bridge spans are 40' (12.2m).
Width of Deck	135.4' (41.3m) min.
Construction Date	1963
Instrumentation	2000. 9 accelerometers on the bridge. 3 accelerometers at a free-field site.

 

Superstructure Type	Prestressed inverted W sections. Right and left structures were widened with inverted double T median to form single structure. Open end diaphragm abutments.
Substructure Type	Octagonal concrete piles. 15 piles per bent. Large concrete piles were added to both sides of each frame structure during the 1997 retrofit.
Foundation Type	Prestressed concrete piles.
Remarks	This bridge was instrumented under the interagency agreement between Caltrans and DOC. The bridge was widened in 1969 and 1986, and retrofitted in 1997.