De Long Avenue over Ncrra (old Nwp Rr)

Good Condition52 years old30,155 vehicles/day

Location

StateCalifornia
CountyMarin
Location04-mrn-101-r21.15-nvto
CarriesDe Long Avenue
CrossesNcrra (old Nwp Rr)
Coordinates38.10513, -122.56404

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length220.1 ft (67.1 m)
Max Span133.9 ft (40.8 m)
Deck Width97.1 ft (29.6 m)
Deck Area1986.2 sq m
Main Spans2
Year Built1974

Traffic

Avg Daily Traffic30,155 (2000)
Truck Traffic1%
Lanes On Bridge5

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number27 0103Y

Nearby Bridges