Upper Rock CR RD over Stony Creek 011

Fair Condition27 years old603 vehicles/day

Location

StateMontana
CountyGranite
Location19m W Phillipsburg
CarriesUpper Rock CR RD
CrossesStony Creek 011
Coordinates46.34913, -113.60559

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length50.2 ft (15.3 m)
Max Span48.6 ft (14.8 m)
Deck Width25.9 ft (7.9 m)
Deck Area120.9 sq m
Main Spans1
Year Built1999

Traffic

Avg Daily Traffic603 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL20002013+00001

Nearby Bridges