| CESMD |
| Information for Strong-Motion Station |
| Rio Dell - Hwy 101/Painter St. Overpass |
| CGS - CSMIP Station 89324 |
| Earthquakes recorded by this station |
| Latitude | 40.5031 N |
| Longitude | 124.1009 W |
| Elevation (m) | 43 |
| Site Geology | Shallow fill/alluv over rock (sandstone) |
| Vs30 (m/sec) | 312 (measured) |
| Site Class | D |
| Remarks/Notes | Site information sources |
| No. of Spans | 2 |
| Plan Shape | Straight with skew. |
| Total Length | 265' (80.8m). Bridge spans are 119' (36.3m) and 146' (44.5m). |
| Width of Deck | 52' (15.8m) |
| Construction Date | 1976 |
| Instrumentation | 1977. 17 accelerometers on the bridge and 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 | Concrete piles. |
| Remarks | Several strong-motion records have been obtained from this bridge since the installation in 1977. |