US 12 over Nine Mile Hill Road

Good Condition3 years old4,070 vehicles/day

Location

StateWashington
CountyWalla Walla
Location10.3 E Jct US 730 Spur
CarriesUS 12
CrossesNine Mile Hill Road
Coordinates46.05492, -118.70750

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length53.1 ft (16.2 m)
Max Span53.1 ft (16.2 m)
Deck Width41.3 ft (12.6 m)
Deck Area204.1 sq m
Main Spans1
Year Built2023

Traffic

Avg Daily Traffic4,070 (2023)
Truck Traffic16%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number0019406A0000000

Nearby Bridges