Information for Strong-Motion Station
Oakland - SF Bay Bridge/East: Skyway
CGS - CSMIP Station 58601
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 37.8198 N
Longitude 122.3429 W
Elevation (m) --
Site Geology  
Vs30 (m/sec)  
Site Class  
No. of Spans13
Plan ShapeStraight with curved on west and east ends
Total Length2085 m (east bound structure)
Width of Deck25.07m plus 4.86m bike path (east bound structure)
Construction Date2009
Instrumentation2009. 69 accelerometers and 1 relative displacement sensor on the east bound bridge.
Superstructure Type452 precast concrete box girder segments connected with cast-in-place concrete pier tables. The box girders are divided into 4 frames. A steel transition box girder at the west end connects the suspension bridge.
Substructure Typeconcrete columns (hollow); 1 column per pier.
Foundation TypePile caps with 2.5m diameter cast-in-steel-shell (CISS) concrete piles. Pile tip elevation ranges from -95m to -106 m. Piers E3E to E14E are supported by 6 battered piles.
RemarksThis bridge was instrumented during construction under the interagency agreement between Caltrans and DOC.