Tarpiscan RD 19550 over Colockum Creek

Good Condition50 years old161 vehicles/day

Location

StateWashington
CountyChelan
Location14.34s/w Wenatchee
CarriesTarpiscan RD 19550
CrossesColockum Creek
Coordinates47.29772, -120.10425

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length36.1 ft (11 m)
Max Span35.1 ft (10.7 m)
Deck Width24.0 ft (7.3 m)
Deck Area80.3 sq m
Main Spans1
Year Built1976 (reconstructed 2016)

Traffic

Avg Daily Traffic161 (2019)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number082635000000000

Nearby Bridges