Baseline RD over Rock Creek

Good Condition21 years old16,198 vehicles/day

Location

StateOregon
CountyWashington
Location001 Mi E 231st AVE
CarriesBaseline RD
CrossesRock Creek
Coordinates45.52038, -122.91312

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical4 — Foundations need monitoring

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length108.3 ft (33 m)
Max Span108.3 ft (33 m)
Deck Width89.9 ft (27.4 m)
Deck Area904.2 sq m
Main Spans1
Year Built2005

Traffic

Avg Daily Traffic16,198 (2020)
Truck Traffic5%
Lanes On Bridge4

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number19878 000 00000

Nearby Bridges