State Route 37 over Napa River And Wilson Av

Poor Condition63 years old33,000 vehicles/day

Location

StateCalifornia
CountySolano
Location04-sol-037-r7.39-val
CarriesState Route 37
CrossesNapa River And Wilson Av
Coordinates38.11821, -122.28578

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway9 (Excellent)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length3280.2 ft (999.8 m)
Max Span188.0 ft (57.3 m)
Deck Width74.1 ft (22.6 m)
Deck Area22595.5 sq m
Main Spans33
Year Built1963 (reconstructed 1998)

Traffic

Avg Daily Traffic33,000 (2009)
Truck Traffic12%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number23 0064

Nearby Bridges