US 20/26/87 over I-25

Fair Condition58 years old8,141 vehicles/day

Location

StateWyoming
CountyNatrona
LocationCasper Marginal
CarriesUS 20/26/87
CrossesI-25
Coordinates42.85538, -106.28918

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length490.2 ft (149.4 m)
Max Span160.1 ft (48.8 m)
Deck Width70.5 ft (21.5 m)
Deck Area3212.1 sq m
Main Spans4
Year Built1968

Traffic

Avg Daily Traffic8,141 (2024)
Truck Traffic5%
Lanes On Bridge5
Lanes Under Bridge4

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure NumberCWZ

Nearby Bridges