CESMD |
Information for Strong-Motion Station |
Sylmar - I5/14 Interchange Bridge |
CGS - CSMIP Station 24694 |
Earthquakes recorded by this station |
Latitude | 34.3349 N |
Longitude | 118.5084 W |
Elevation (m) | 440 |
Site Geology | |
Vs30 (m/sec) | |
Site Class |
No. of Spans | 9 |
Plan Shape | Curved. |
Total Length | 1582' (482.2m). Bridge spans range from 135' (41.1m) to 198' (60.4m). |
Width of Deck | 51' (15.5m) |
Construction Date | 1995 |
Instrumentation | 1995. 39 accelerometers on the bridge. 3 accelerometers at a free-field site. |
Superstructure Type | Concrete box girder with 1 intermediate expansion joint. |
Substructure Type | Octagonal concrete columns. 1 column per bent. |
Foundation Type | Circular CIDH concrete piles. |
Remarks | This bridge was instrumented under the interagency agreement between Caltrans and DOC. |