Or 78 (hwy 442) over Silvies Slough(12th Br)

Good Condition55 years old1,299 vehicles/day

Location

StateOregon
CountyHarney
Location2.9 Mi. E. Jct. US 20/395
CarriesOr 78 (hwy 442)
CrossesSilvies Slough(12th Br)
Coordinates43.58584, -118.99664

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 Length30.8 ft (9.4 m)
Max Span29.9 ft (9.1 m)
Deck Width36.1 ft (11 m)
Deck Area103.4 sq m
Main Spans1
Year Built1971

Traffic

Avg Daily Traffic1,299 (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 Number03590A442 00290

Nearby Bridges

Or 78 (hwy 442) over Silvies Slough(11th Br) 0.2 mi Good Or 78 (hwy 442) over Foley Slough(13th Br) 0.2 mi Fair Or 78 (hwy 442) over Silvies Slough(14th Br) 0.3 mi Good Or 78 (hwy 442) over Silvies Slough(15th Br) 0.7 mi Fair Airport RD over Nine Mile Slough 0.8 mi Good Or 78 (hwy 442) over Silvies Slough(9th Br) 1.0 mi Good C116 Red Barn LN over Poison Slough 1.2 mi Fair Or 205 (hwy 440) over Newman Slough 1.3 mi Good Or 78 (hwy 442) over Silvies Slough(7th Br) 1.5 mi Good Or 205 (hwy 440) over Silvies River 1.5 mi Good