Millbrae Avenue over U.s. Highway 101

Fair Condition79 years old53,747 vehicles/day

Location

StateCalifornia
CountySan Mateo
Location04-sm-101-17.95-mlbr
CarriesMillbrae Avenue
CrossesU.s. Highway 101
Coordinates37.60184, -122.38143

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length815.3 ft (248.5 m)
Max Span75.5 ft (23 m)
Deck Width81.4 ft (24.8 m)
Deck Area6162.8 sq m
Main Spans14
Year Built1947 (reconstructed 1976)

Traffic

Avg Daily Traffic53,747 (1999)
Truck Traffic5%
Lanes On Bridge5
Lanes Under Bridge12

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number35 0089

Nearby Bridges