IRR - S 28 over Little Bitterroot River

Fair Condition16 years old1,877 vehicles/day

Location

StateMontana
CountySanders
Location1m N Lonepine
CarriesIRR - S 28
CrossesLittle Bitterroot River
Coordinates47.72054, -114.62222

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway4 (Poor)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length95.1 ft (29 m)
Max Span92.8 ft (28.3 m)
Deck Width38.4 ft (11.7 m)
Deck Area339.3 sq m
Main Spans1
Year Built2010

Traffic

Avg Daily Traffic1,877 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last Inspection225
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00036026+07371

Nearby Bridges