I-25 Nbl over South Fork Powder River

Fair Condition66 years old1,749 vehicles/day

Location

StateWyoming
CountyJohnson
LocationCasper - Kaycee
CarriesI-25 Nbl
CrossesSouth Fork Powder River
Coordinates43.62833, -106.57194

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length264.1 ft (80.5 m)
Max Span55.8 ft (17 m)
Deck Width43.0 ft (13.1 m)
Deck Area1054.5 sq m
Main Spans5
Year Built1960

Traffic

Avg Daily Traffic1,749 (2024)
Truck Traffic33%
Lanes On Bridge2

Inspection & Ownership

Last Inspection323
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure NumberAJV

Nearby Bridges