IRR I029 N over Sd127

Fair Condition50 years old2,705 vehicles/day

Location

StateSouth Dakota
CountyRoberts
LocationSd 127 & I29 Interchange
CarriesIRR I029 N
CrossesSd127
Coordinates45.84999, -96.86502

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length221.1 ft (67.4 m)
Max Span91.9 ft (28 m)
Deck Width42.7 ft (13 m)
Deck Area876.2 sq m
Main Spans3
Year Built1976

Traffic

Avg Daily Traffic2,705 (2024)
Truck Traffic42%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection523
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000055176060

Nearby Bridges

IRR I029 S over Sd127 0.0 mi Fair IRR I029 N over Soo Line Rr 0.4 mi Fair IRR I029 S over Soo Line Rr 0.4 mi Fair IRR 104 ST over I029 1.9 mi Fair IRR Sd127 over Ck 2.1 mi Good IRR Sd127 over Ck 2.4 mi Good IRR I029 N over 110 ST (fas) 4.3 mi Fair IRR I029 S over 110 ST (fas) 4.3 mi Fair IRR I029 S over 101 ST (fas) 5.0 mi Fair IRR I029 N over 101 ST (fas) 5.0 mi Fair