I 90b Loop over S.fk.coeur Dalene River

Fair Condition48 years old3,200 vehicles/day

Location

StateIdaho
CountyShoshone
Location0.1 S. Silverton
CarriesI 90b Loop
CrossesS.fk.coeur Dalene River
Coordinates47.49118, -115.95502

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignTee Beam
Total Length100.1 ft (30.5 m)
Max Span48.9 ft (14.9 m)
Deck Width39.7 ft (12.1 m)
Deck Area369.1 sq m
Main Spans3
Year Built1978

Traffic

Avg Daily Traffic3,200 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000020605

Nearby Bridges

I 90 over Stc 5766;silverton Ic 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 1.6 mi Fair