I 90 over Stc 5766;silverton Ic

Fair Condition48 years old11,000 vehicles/day

Location

StateIdaho
CountyShoshone
Location2.2 W. Wallace
CarriesI 90
CrossesStc 5766;silverton Ic
Coordinates47.49195, -115.95511

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignBox Beam - Multiple
Total Length147.0 ft (44.8 m)
Max Span80.1 ft (24.4 m)
Deck Width81.7 ft (24.9 m)
Deck Area1115.5 sq m
Main Spans3
Year Built1978

Traffic

Avg Daily Traffic11,000 (2023)
Truck Traffic36%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000017220

Nearby Bridges

I 90b Loop over S.fk.coeur Dalene River 0.1 mi Fair I 90 EB & WB over S.fk.cda R;fr.rd. 0.3 mi Fair I 90 Wbl over S.fk.coeur Dalene River 0.5 mi Fair I 90 Ebl over S.fk.coeur Dalene River 0.5 mi Fair North Frontage RD over South Fork Cda River 1.2 mi Fair I 90 over S.fk.coeur Dalene River 1.2 mi Fair I 90 Ebl & Wbl over Crossroad Bd;w.wallace I 1.4 mi Fair I 90b Loop over South Fork Cda River 1.4 mi Fair I 90b over Placer Creek 1.6 mi Fair I 90 over I 90b;canyon CR 1.7 mi Fair