Information for Strong-Motion Station
Jenner - Hwy 1/Russian River Bridge
CGS - CSMIP Station 69671
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 38.4347 N
Longitude 123.1017 W
Elevation (m) --
Site Geology  
Vs30 (m/sec)  
Site Class  
No. of Spans6
Plan ShapeCurved.
Total Length910' (277.4m). Bridge spans range from 125' (38.1m) to 165' (50.3m) long.
Width of Deck39' 6"(12.0m)
Construction Date1984
Instrumentation1993. 6 accelerometers on the bridge.
Superstructure TypeConcrete box girder with 1 intermediate hinge. Seat abutments.
Substructure TypeCircular concrete columns. 1 column per bent.
Foundation TypeSteel piles support all bents and 1 abutment. The other abutment is supported by a spread footing.
RemarksThis bridge was instrumented under the interagency agreement between Caltrans and DOC.