CESMD |
Information for Strong-Motion Station |
San Bernardino - I10/215 Interchange Br |
CGS - CSMIP Station 23631 |
Earthquakes recorded by this station |
Latitude | 34.0650 N |
Longitude | 117.2962 W |
Elevation (m) | 297 |
Site Geology | Deep alluvium |
Vs30 (m/sec) | 271 (measured) |
Site Class | D |
Remarks/Notes | Site information sources |
No. of Spans | 16 |
Plan Shape | Curved. |
Total Length | 2540' (774.2m). Bridge spans range from 75' (22.9m) to 224' (68.3m). |
Width of Deck | 41' (12.5m) |
Construction Date | 1966 |
Instrumentation | 1992. 34 accelerometers on the bridge. 3 accelerometers at a free-field site. |
Superstructure Type | Concrete box girder structures seperated by hinges. |
Substructure Type | Octagonal concrete columns, some with steel jackets added during the retrofit. 1 column per bent. |
Foundation Type | Spread footings supported by piles. |
Remarks | This bridge was instrumented under the interagency agreement between Caltrans and DOC. The bridge was retrofitted in 1991. |