I 90 over Int Greycliff

Fair Condition54 years old5,423 vehicles/day

Location

StateMontana
CountySweet Grass
LocationGreycliff
CarriesI 90
CrossesInt Greycliff
Coordinates45.76917, -109.79391

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length128.0 ft (39 m)
Max Span56.4 ft (17.2 m)
Deck Width43.6 ft (13.3 m)
Deck Area518.7 sq m
Main Spans3
Year Built1972

Traffic

Avg Daily Traffic5,423 (2023)
Truck Traffic20%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberI00090378+00341

Nearby Bridges

I 90 over Int Greycliff 0.0 mi Fair Old US 10 over Spring Creek 035 0.5 mi Fair I 90 over Spring Creek 0.5 mi Fair Old US 10 over Lower Deer Creek 006 0.7 mi Fair I 90 over Lower Deer Creek 0.8 mi Fair I 90 over Lower Deer Creek 0.8 mi Good Lower Sweet Grass over Yellowstone River 038 1.2 mi Fair Bointer RD over Sweet Grass Creek 044 1.4 mi Poor Old US 10 over Upper Deer Creek 005 2.4 mi Good I 90 over Upper Deer Creek 2.5 mi Fair