S 556-thompson R R over Thompson River

Fair Condition32 years old61 vehicles/day

Location

StateMontana
CountyFlathead
Location25m SW Marion
CarriesS 556-thompson R R
CrossesThompson River
Coordinates47.94095, -114.97509

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length60.0 ft (18.3 m)
Max Span59.1 ft (18 m)
Deck Width25.9 ft (7.9 m)
Deck Area144.6 sq m
Main Spans1
Year Built1994

Traffic

Avg Daily Traffic61 (2023)
Lanes On Bridge2

Inspection & Ownership

Last Inspection723
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberS00556037+07091

Nearby Bridges