Frontage Road 280 over Big Sheep Creek 027

Fair Condition57 years old100 vehicles/day

Location

StateMontana
CountyBeaverhead
LocationSE Of Dell
CarriesFrontage Road 280
CrossesBig Sheep Creek 027
Coordinates44.71742, -112.69804

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length36.1 ft (11 m)
Max Span35.1 ft (10.7 m)
Deck Width30.2 ft (9.2 m)
Deck Area101.2 sq m
Main Spans1
Year Built1969

Traffic

Avg Daily Traffic100 (2025)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL01280007+09001

Nearby Bridges