US 30 over Portneuf River;mccammon

Fair Condition63 years old4,700 vehicles/day

Location

StateIdaho
CountyBannock
Location0.5 N. Mccammon
CarriesUS 30
CrossesPortneuf River;mccammon
Coordinates42.66069, -112.19589

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway9 (Excellent)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length207.0 ft (63.1 m)
Max Span68.9 ft (21 m)
Deck Width76.1 ft (23.2 m)
Deck Area1463.9 sq m
Main Spans3
Year Built1963 (reconstructed 2001)

Traffic

Avg Daily Traffic4,700 (2023)
Truck Traffic21%
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure Number000000000012015

Nearby Bridges