US 87 over Yellowstone River

Fair Condition33 years old23,199 vehicles/day

Location

StateMontana
CountyYellowstone
LocationBillings-dick Johnston Br
CarriesUS 87
CrossesYellowstone River
Coordinates45.79648, -108.46984

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length565.9 ft (172.5 m)
Max Span112.9 ft (34.4 m)
Deck Width90.9 ft (27.7 m)
Deck Area4778.2 sq m
Main Spans5
Year Built1993

Traffic

Avg Daily Traffic23,199 (2023)
Truck Traffic4%
Lanes On Bridge4

Inspection & Ownership

Last Inspection823
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberP00016000+06721

Nearby Bridges