Duncan Street over Walnut Creek

Good Condition55 years old5,000 vehicles/day

Location

StateCalifornia
CountyContra Costa
LocationAt N. Broadway Street
CarriesDuncan Street
CrossesWalnut Creek
Coordinates37.89842, -122.05936

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length75.8 ft (23.1 m)
Max Span24.9 ft (7.6 m)
Deck Area254.1 sq m
Main Spans3
Year Built1971

Traffic

Avg Daily Traffic5,000 (2019)
Lanes On Bridge2

Inspection & Ownership

Last Inspection125
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number28C0514

Nearby Bridges