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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| CESMD |
| Information for Strong-Motion Station |
| El Centro - Hwy8/Meloland Overpass [Abandoned] |
| CGS - CSMIP Station 01336 |
| Earthquakes recorded by this station |
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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| Latitude | 32.7735 N |
| Longitude | 115.4481 W |
| Elevation (m) | -4 |
| Site Geology | Deep alluvium |
| Vs30 (m/sec) | 265 (measured) |
| Site Class | D |
| Remarks/Notes | Site information sources |
| No. of Spans | 2 |
| Plan Shape | Straight. |
| Total Length | 208' (63.4m). Bridge spans are each 104' (31.7m) long. |
| Width of Deck | 34' (10.4m) |
| Construction Date | 1971 |
| Instrumentation | 1978. Upgraded 1991. 29 accelerometers on the bridge. 3 accelerometers at a free-field site. |
| Superstructure Type | Concrete box girder connected monolithically to the abutments. |
| Substructure Type | Reinforced concrete piers. 1 column per pier. |
| Foundation Type | Timber piles supporting a square concrete footing under central pier. Abutments are also supported by timber piles. |
| Remarks | This bridge was instrumented by CSMIP in 1978 with 26 sensors. The instrumentation was upgraded in 1991 to 32 sensors as part of the interagency agreement between Caltrans and DOC. |