Grandad Road over N.fk.clearwater;grandad

Good Condition55 years old100 vehicles/day

Location

StateIdaho
CountyClearwater
Location2.4 N. 12.3 E. Elk River
CarriesGrandad Road
CrossesN.fk.clearwater;grandad
Coordinates46.81456, -115.91875

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignTruss - Deck
Total Length1208.0 ft (368.2 m)
Max Span503.9 ft (153.6 m)
Deck Width30.2 ft (9.2 m)
Deck Area3387.4 sq m
Main Spans3
Year Built1971

Traffic

Avg Daily Traffic100 (2023)
Truck Traffic25%
Lanes On Bridge2

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerOther State Agencies
Historical SignificanceHistorical significance is not determined
Structure Number000000000029030