CESMD |
Information for Strong-Motion Station |
Eureka - Eureka Channel Bridge |
CGS - CSMIP Station 89736 |
Earthquakes recorded by this station |
Latitude | 40.8090 N |
Longitude | 124.1547 W |
Elevation (m) | -- |
Site Geology | |
Vs30 (m/sec) | |
Site Class |
No. of Spans | 15 |
Plan Shape | Straight and curved. |
Total Length | 1816' (553.5m). Bridge spans range from 81' (24.7m) to 190' (57.9m) long. |
Width of Deck | 34' (10.4m) |
Construction Date | 1971 |
Instrumentation | 1996. 9 accelerometers on the bridge. 3 accelerometers at a free-field site. |
Superstructure Type | Continuous concrete box girders in spans 1,2, and 3. Prestressed concrete I-girders joined together with concrete diaphragms in other spans. Seat abutments with elastomeric bearings. |
Substructure Type | Hexagonal concrete columns. 1 column per bent. |
Foundation Type | Concrete piles. |
Remarks | This bridge was instrumented under the interagency agreement between Caltrans and DOC. |