State Route 128 over Oat Valley Creek

Fair Condition94 years old2,550 vehicles/day

Location

StateCalifornia
CountySonoma
Location04-son-128-l4.64
CarriesState Route 128
CrossesOat Valley Creek
Coordinates38.82555, -123.01644

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length24.0 ft (7.3 m)
Max Span24.0 ft (7.3 m)
Deck Width54.8 ft (16.7 m)
Deck Area121.9 sq m
Main Spans1
Year Built1932 (reconstructed 1987)

Traffic

Avg Daily Traffic2,550 (2013)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number20 0033

Nearby Bridges