SH 75 over Big Wood River

Fair Condition35 years old2,400 vehicles/day

Location

StateIdaho
CountyBlaine
Location6.7 N. Ketchum
CarriesSH 75
CrossesBig Wood River
Coordinates43.77047, -114.40681

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length97.1 ft (29.6 m)
Max Span95.1 ft (29 m)
Deck Width44.3 ft (13.5 m)
Deck Area399.6 sq m
Main Spans1
Year Built1991

Traffic

Avg Daily Traffic2,400 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000017681

Nearby Bridges

SH 75 over Big Wood River 1.1 mi Good Fdr over North Fork Wood River 2.3 mi Fair Pr over North Fork Wood River 2.6 mi Poor Fdr over Wood River 3.0 mi Fair Hulen Meadows Road over Big Wood River 3.9 mi Fair Fdr over North Fork Wood River 4.1 mi Fair Fdr over North Fork Of Wood River 4.5 mi Poor Adams Gulch Road over Big Wood River 4.8 mi Good