Us101 (hwy 9) over Neahkahnie Mt. Chasm

Fair Condition89 years old5,743 vehicles/day

Location

StateOregon
CountyTillamook
Location016 Mi S Short Sands Bch
CarriesUs101 (hwy 9)
CrossesNeahkahnie Mt. Chasm
Coordinates45.74332, -123.95760

Condition Ratings

Overall ConditionFair
Deck8 (Very Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialConcrete Continuous
DesignGirder and Floorbeam
Total Length103.3 ft (31.5 m)
Max Span59.1 ft (18 m)
Deck Width37.4 ft (11.4 m)
Deck Area359.1 sq m
Main Spans1
Year Built1937

Traffic

Avg Daily Traffic5,743 (2022)
Truck Traffic12%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Structure Number02723 009 04071

Nearby Bridges