CESMD |
Information for Strong-Motion Station |
Oakland - SF Bay Bridge/East: E Approach |
CGS - CSMIP Station 58603 |
Earthquakes recorded by this station |
Latitude | 37.8220 N |
Longitude | 122.3296 W |
Elevation (m) | 4 |
Site Geology | Deep alluvium/fill over rock (sedimentary) |
Vs30 (m/sec) | - - |
Site Class | To be determined |
Remarks/Notes | Site information sources |
No. of Spans | 6 |
Plan Shape | Almost straight |
Total Length | 328.77m (east bound structure) |
Width of Deck | 25.87m plus 5.8m bike path (east bound structure) |
Construction Date | 2013 |
Instrumentation | 2014. 12 accelerometers on the east bound bridge. |
Superstructure Type | Prestressed cast-in-place concrete box girders supported by concrete columns. Each of the west and east bound structures has 2 frames separated by a hinge. The abutment is a seat-type abutment with shear keys. |
Substructure Type | RC columns |
Foundation Type | Pile caps supported by group piles. Piles are 1.8m diameter cast-in-steel-shell (CISS) concrete piles. The pile tip elevation ranges from -35.5m to -65.0m. |
Remarks | This bridge was instrumented during construction under the interagency agreement between Caltrans and DOC. |