SH 3 over ST Maries River

Fair Condition49 years old1,700 vehicles/day

Location

StateIdaho
CountyBenewah
Location@ Santa Ncl
CarriesSH 3
CrossesST Maries River
Coordinates47.15139, -116.45164

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length242.1 ft (73.8 m)
Max Span85.0 ft (25.9 m)
Deck Width39.7 ft (12.1 m)
Deck Area893.0 sq m
Main Spans3
Year Built1977

Traffic

Avg Daily Traffic1,700 (2023)
Truck Traffic16%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000010115

Nearby Bridges

SH 3 over Renfro Creek 0.3 mi Good SH 3 over ST Maries R(mashburn Br) 2.6 mi Fair SH 3 over ST Maries Rr 2.9 mi Fair SH 6 over Santa Creek; N. Emida Br 4.1 mi Good Old County Road over St. Maries River 4.2 mi Fair