SH 75 over Salmon River

Fair Condition41 years old800 vehicles/day

Location

StateIdaho
CountyCuster
Location5.6 S. Obsidian
CarriesSH 75
CrossesSalmon River
Coordinates44.00075, -114.83317

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length103.0 ft (31.4 m)
Max Span100.1 ft (30.5 m)
Deck Width40.0 ft (12.2 m)
Deck Area383.1 sq m
Main Spans1
Year Built1985

Traffic

Avg Daily Traffic800 (2023)
Truck Traffic16%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000017730

Nearby Bridges

Fdr over Alturas Lake Creek 1.4 mi Fair SH 75 over Champion Creek 1.5 mi Fair Fdr over Hell Roaring Creek 1.7 mi Fair Fdr over Pettit Lake Creek 1.8 mi Poor Fdr over Salmon River 2.0 mi Fair SH 75 over Fourth Of July Creek 2.0 mi Fair Fdr over Alturas Lake Creek 2.6 mi Fair Fdr over Fourth Of July Creek 4.6 mi Good