Ralston Polhemus R over State Route 92

Good Condition59 years old36,300 vehicles/day

Location

StateCalifornia
CountySan Mateo
Location04-sm-092-r7.93
CarriesRalston Polhemus R
CrossesState Route 92
Coordinates37.51263, -122.33046

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length228.0 ft (69.5 m)
Max Span127.0 ft (38.7 m)
Deck Width91.9 ft (28 m)
Deck Area1,946 sq m
Main Spans2
Year Built1967

Traffic

Avg Daily Traffic36,300 (2005)
Truck Traffic3%
Lanes On Bridge5
Lanes Under Bridge6

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number35 0207

Nearby Bridges