Grade Street over Coweeman River

Good Condition36 years old2,675 vehicles/day

Location

StateWashington
CountyCowlitz
Location0.3 W. Of I-5
CarriesGrade Street
CrossesCoweeman River
Coordinates46.13500, -122.90000

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length214.9 ft (65.5 m)
Max Span85.0 ft (25.9 m)
Deck Width44.0 ft (13.4 m)
Deck Area877.7 sq m
Main Spans3
Year Built1990

Traffic

Avg Daily Traffic2,675 (2022)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number085599000000000

Nearby Bridges