Symons Road over Portneuf River

Good Condition40 years old30 vehicles/day

Location

StateIdaho
CountyBannock
Location3.9n. 0.6w.lava Hot Sprgs
CarriesSymons Road
CrossesPortneuf River
Coordinates42.67450, -112.01967

Condition Ratings

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

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length63.0 ft (19.2 m)
Max Span60.0 ft (18.3 m)
Deck Width36.1 ft (11 m)
Deck Area211.2 sq m
Main Spans1
Year Built1986

Traffic

Avg Daily Traffic30 (2023)
Truck Traffic50%
Lanes On Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000021925

Nearby Bridges