| CESMD |
| Information for Strong-Motion Station |
| Hayward - San Mateo Bridge Trestle |
| CGS - CSMIP Station 58799 |
| Earthquakes recorded by this station |
| Latitude | 37.6083 N |
| Longitude | 122.184 W |
| Elevation (m) | -- |
| Site Geology | Deep alluvium (Bay mud) |
| Vs30 (m/sec) | -- |
| Site Class | - |
| No. of Spans | 877 |
| Plan Shape | Straight |
| Total Length | 18.25' (5.6m) & varies. |
| Width of Deck | 18.25' (5.6m) & varies. |
| Construction Date | 1967 |
| Instrumentation | 1999. 27 accelerometers on 3 instrumented sections. |
| Superstructure Type | Precast inverted "W" sections on concrete pile bents. |
| Substructure Type | 6 concrete piles per bent. CISS piles were added during the retrofit. |
| Foundation Type | Concrete piles. |
| Remarks | This bridge was instrumented under the interagency agreement between Caltrans and DOC. The bridge was retrofitted. |