SH 39 Sbl over Snake R.;am.falls Br.

Fair Condition51 years old2,900 vehicles/day

Location

StateIdaho
CountyPower
Location0.7 W. American Falls
CarriesSH 39 Sbl
CrossesSnake R.;am.falls Br.
Coordinates42.77792, -112.87769

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway9 (Excellent)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length1144.0 ft (348.7 m)
Max Span256.9 ft (78.3 m)
Deck Width37.4 ft (11.4 m)
Deck Area3975.2 sq m
Main Spans3
Year Built1975

Traffic

Avg Daily Traffic2,900 (2023)
Truck Traffic21%
Lanes On Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000014145

Nearby Bridges