Industrial DR over U.s. Highway 101

Fair Condition64 years old16,000 vehicles/day

Location

StateCalifornia
CountySonoma
Location04-son-101-22.81-sro
CarriesIndustrial DR
CrossesU.s. Highway 101
Coordinates38.47470, -122.73162

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure8 (Very Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length278.9 ft (85 m)
Max Span90.9 ft (27.7 m)
Deck Width40.4 ft (12.3 m)
Deck Area1045.5 sq m
Main Spans4
Year Built1962

Traffic

Avg Daily Traffic16,000 (2016)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number20 0179

Nearby Bridges