Or 99w (hwy 91) over Marys River

Good Condition35 years old2,643 vehicles/day

Location

StateOregon
CountyBenton
LocationIn Corvallis
CarriesOr 99w (hwy 91)
CrossesMarys River
Coordinates44.55675, -123.26399

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length707.3 ft (215.6 m)
Max Span120.1 ft (36.6 m)
Deck Width28.5 ft (8.7 m)
Deck Area1875.7 sq m
Main Spans7
Year Built1991

Traffic

Avg Daily Traffic2,643 (2022)
Truck Traffic3%
Lanes On Bridge1

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number16875 01WR08409

Nearby Bridges