IRR - S 66 over White Bear Creek

Fair Condition67 years old763 vehicles/day

Location

StateMontana
CountyBlaine
Location9m S Fort Belknap Agency
CarriesIRR - S 66
CrossesWhite Bear Creek
Coordinates48.35825, -108.71450

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway6 (Satisfactory)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length75.1 ft (22.9 m)
Max Span24.9 ft (7.6 m)
Deck Width29.9 ft (9.1 m)
Deck Area208.4 sq m
Main Spans3
Year Built1959

Traffic

Avg Daily Traffic763 (2023)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00066040+08981