CESMD |
Information for Strong-Motion Station |
Vallejo - Carquinez/I80 West Bridge |
CGS - CSMIP Station 68185 |
Earthquakes recorded by this station |
Ambient Records for CE68185 |
Latitude | 38.0610 N |
Longitude | 122.2265 W |
Elevation (m) | -- |
Site Geology | |
Vs30 (m/sec) | |
Site Class |
No. of Spans | Suspension Bridge: 3; Approach Structures: 7 & 5 |
Plan Shape | Suspension Bridge: Straight; Approach Structures: Curved |
Total Length | Suspension Bridge: 3465' (1056m); Approach Structures: 496.5m & 173.3m |
Width of Deck | Suspension Bridge: 89' (27.2m) |
Construction Date | 2003 |
Instrumentation | 2004. 76 sensors on the suspension bridge and 27 sensors on the approach structures. |
Superstructure Type | Suspension Bridge: Steel box girder suspended by steel cables and supported by concrete towers with prestressed concrete struts. Approach Structures: continous concrete box girders with hinges supported on concrete columns. |
Substructure Type | Suspenion Bridge: Concrete towers (2-legs). Approach structures: concrete columns; 1-3 columns per bent. |
Foundation Type | Suspension Bridge: Concrete pile cap with 3m diameter CISS piles at towers. Approach Structures: CIDH piles |
Remarks | This bridge was instrumented under the interagency agreement between Caltrans and DOC. |