Jo Cnty RD 78 over Middle Fork Powder River

Poor Condition37 years old13 vehicles/day

Location

StateWyoming
CountyJohnson
Location11 Miles N. Of Barnum
CarriesJo Cnty RD 78
CrossesMiddle Fork Powder River
Coordinates43.64538, -106.80921

Condition Ratings

Overall ConditionPoor
Deck6 (Satisfactory)
Superstructure3 (Serious)
Substructure5 (Fair)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length59.1 ft (18 m)
Max Span57.1 ft (17.4 m)
Deck Width24.9 ft (7.6 m)
Deck Area136.8 sq m
Main Spans1
Year Built1989

Traffic

Avg Daily Traffic13 (2024)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last Inspection324
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberFNV

Nearby Bridges