Or 78 (hwy 442) over Malheur Slough

Good Condition42 years old854 vehicles/day

Location

StateOregon
CountyHarney
Location22.3 Mi. SE Jct US 20/395
CarriesOr 78 (hwy 442)
CrossesMalheur Slough
Coordinates43.43896, -118.69546

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length68.9 ft (21 m)
Max Span67.9 ft (20.7 m)
Deck Width32.2 ft (9.8 m)
Deck Area205.8 sq m
Main Spans1
Year Built1984

Traffic

Avg Daily Traffic854 (2022)
Truck Traffic33%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number03595B442 02234