Wyo 120 over Big Sand Coulee

Fair Condition24 years old2,043 vehicles/day

Location

StateWyoming
CountyPark
LocationCody - Montana St. Line
CarriesWyo 120
CrossesBig Sand Coulee
Coordinates44.96553, -109.05535

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length137.8 ft (42 m)
Max Span59.1 ft (18 m)
Deck Width42.7 ft (13 m)
Deck Area546 sq m
Main Spans3
Year Built2002

Traffic

Avg Daily Traffic2,043 (2024)
Truck Traffic11%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberLBY

Nearby Bridges