S 28th RD over Sep I 94 005

Fair Condition58 years old72 vehicles/day

Location

StateMontana
CountyYellowstone
Location3m SW Pompey`s Pillar
CarriesS 28th RD
CrossesSep I 94 005
Coordinates45.97242, -108.02768

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length275.9 ft (84.1 m)
Max Span62.0 ft (18.9 m)
Deck Width32.2 ft (9.8 m)
Deck Area824.2 sq m
Main Spans5
Year Built1968

Traffic

Avg Daily Traffic72 (2023)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberL56138001+03201

Nearby Bridges