I090 WB On Ramp over I090

Fair Condition63 years old6,028 vehicles/day

Location

StateSouth Dakota
CountyPennington
Location2.0 E US 16 B Interchange
CarriesI090 WB On Ramp
CrossesI090
Coordinates44.11529, -103.11636

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length354.3 ft (108 m)
Max Span107.0 ft (32.6 m)
Deck Width32.2 ft (9.8 m)
Deck Area1058.4 sq m
Main Spans4
Year Built1963

Traffic

Avg Daily Traffic6,028 (2023)
Truck Traffic10%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last Inspection224
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000052467276

Nearby Bridges