SH 75 over Salmon River

Fair Condition49 years old1,000 vehicles/day

Location

StateIdaho
CountyBlaine
Location1.5 SE Sawtooth City
CarriesSH 75
CrossesSalmon River
Coordinates43.88411, -114.76394

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure8 (Very Good)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length44.9 ft (13.7 m)
Max Span44.0 ft (13.4 m)
Deck Width41.3 ft (12.6 m)
Deck Area172.6 sq m
Main Spans1
Year Built1977

Traffic

Avg Daily Traffic1,000 (2023)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000017710

Nearby Bridges

SH 75 over Frenchman Creek 0.3 mi Fair Pole Creek Road over Salmon River 1.8 mi Good Fdr over Salmon River 1.8 mi Fair Fdr over Pole Creek 1.8 mi Good Fdr over Smiley Creek 2.0 mi Fair Smiley C Airport R over Salmon River 2.2 mi Fair SH 75 over Smiley Creek 2.4 mi Fair SH 75 over Beaver Creek 3.5 mi Fair Fdr over Alturas Lake Creek 5.0 mi Fair