CESMD |
Information for Strong-Motion Station |
Rio Dell - Hwy 101/Eel River Bridge |
CGS - CSMIP Station 89973 |
Earthquakes recorded by this station |
Ambient Records for CE89973 |
Latitude | 40.5093 N |
Longitude | 124.1196 W |
Elevation (m) | 13 |
Site Geology | |
Vs30 (m/sec) | |
Site Class |
No. of Spans | 8 |
Plan Shape | Curved. |
Total Length | 1643' (500.8m). Bridge spans range from 68' (20.7m) to 303.5' (92.5m). |
Width of Deck | 134.5' (41.0m) min. |
Construction Date | 1941 |
Instrumentation | 2001. 15 accelerometers on the bridge. 3 accelerometers at a free-field site. |
Superstructure Type | 2 prestressed concrete girder spans, 2 steel truss spans, and 4 concrete box girder spans. The truss spans are supported on isolators. Seat abutments. |
Substructure Type | Concrete bent shafts. 1 column per bent |
Foundation Type | Spread footings. |
Remarks | This bridge was instrumented under the interagency agreement between Caltrans and DOC. The bridge was modified several times (1972, 1987, and 1989). |