US 93 over Salmon River;challis Br.

Good Condition31 years old1,400 vehicles/day

Location

StateIdaho
CountyCuster
Location2.6 S. Challis
CarriesUS 93
CrossesSalmon River;challis Br.
Coordinates44.47136, -114.20406

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length306.1 ft (93.3 m)
Max Span149.9 ft (45.7 m)
Deck Width42.0 ft (12.8 m)
Deck Area1194.2 sq m
Main Spans2
Year Built1995

Traffic

Avg Daily Traffic1,400 (2023)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000018031

Nearby Bridges

SH 75 over Gini Canal 0.4 mi Good US 93 over Garden Creek 2.7 mi Fair US 93 over Warm Spring Creek 3.4 mi Good Stc6867;garden Crk over Garden Creek 4.0 mi Good SH 75 over Salmon River 5.0 mi Fair