Information for Strong-Motion Station
San Mateo - San Mateo Bridge
CGS - CSMIP Station 58677
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 37.5836 N
Longitude 122.2515 W
Elevation (m) --
Site Geology  
Vs30 (m/sec)  
Site Class  
No. of Spans37
Plan ShapeStraight with one curve.
Total Length9650' (2941m). Bridge spans range from 186' (56.7m) to 750' (228.6).
Width of Deck85' (25.9m)
Construction Date1967
Instrumentation1993 and 2000. 64 accelerometers on the bridge.
Superstructure TypeTwin steel box girders with orthotropic steel deck/composite lightweight concrete deck.
Substructure TypeSteel/concrete columns on Cofferdam type piers. 2 columns per pier.
Foundation TypeSteel piles.
RemarksThis bridge was instrumented with 6 sensors in 1993 under the interagency agreement between Caltrans and DOC. The bridge was extensively instrumented with 64 accelerometers during the retrofit work in 2000.