State Route 29 over Napa River

Good Condition7 years old14,000 vehicles/day

Location

StateCalifornia
CountyNapa
Location04-nap-029-37.03-cstg
CarriesState Route 29
CrossesNapa River
Coordinates38.57714, -122.57961

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length81.0 ft (24.7 m)
Max Span77.4 ft (23.6 m)
Deck Width72.8 ft (22.2 m)
Deck Area548.3 sq m
Main Spans1
Year Built2019

Traffic

Avg Daily Traffic14,000 (2017)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection421
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number21 0114

Nearby Bridges