CESMD |
Information for Strong-Motion Station |
Ridgecrest - Hwy 395/Brown Road Bridge |
CGS - CSMIP Station 33742 |
Earthquakes recorded by this station |
Latitude | 35.6696 N |
Longitude | 117.8187 W |
Elevation (m) | 729 |
Site Geology | |
Vs30 (m/sec) | |
Site Class |
No. of Spans | 4 |
Plan Shape | Straight with skew. |
Total Length | 282' (86.0m). Bridge spans range from 54' (16.5m) to 83' (25.3m). |
Width of Deck | 42' (12.8m) |
Construction Date | 1966 |
Instrumentation | 1996. 6 accelerometers on the bridge. 3 accelerometers at a free-field site. |
Superstructure Type | Continuous concrete box girder. Diaphragm abutments. |
Substructure Type | Circular concrete columns. 2 columns per bent. |
Foundation Type | CIDH concrete piles support all columns and abutments. |
Remarks | This bridge was instrumented under the interagency agreement between Caltrans and DOC. |