Six Prong Road over Alder Creek

Fair Condition40 years old141 vehicles/day

Location

StateWashington
CountyKlickitat
Location1.8 N Jct SR 14
CarriesSix Prong Road
CrossesAlder Creek
Coordinates45.85700, -119.92222

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length100.1 ft (30.5 m)
Max Span97.1 ft (29.6 m)
Deck Width26.9 ft (8.2 m)
Deck Area250.1 sq m
Main Spans1
Year Built1986

Traffic

Avg Daily Traffic141 (2021)
Truck Traffic30%
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number079952000000000

Nearby Bridges