477 Avenue over South Fork Whetstone Rv

Fair Condition37 years old30 vehicles/day

Location

StateSouth Dakota
CountyGrant
Location1w & 0.2n Milbank
Carries477 Avenue
CrossesSouth Fork Whetstone Rv
Coordinates45.22751, -96.66135

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour CriticalUnknown

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length29.9 ft (9.1 m)
Max Span28.9 ft (8.8 m)
Deck Width23.3 ft (7.1 m)
Deck Area64.6 sq m
Main Spans1
Year Built1989

Traffic

Avg Daily Traffic30 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000026280068

Nearby Bridges

W. Milbank St-milb over South Fork Whetstone Rv 0.5 mi Poor Us012 over Burlington Northern Rr 0.6 mi Good Us012 over N Fork Whetstone Ck 0.7 mi Fair 477th AVE over Ck 0.8 mi Good Sd015 over South Fork Whetstone Rv 1.0 mi Fair 476 Avenue over South Fork Whetstone Rv 1.0 mi Good Main St-milbank over South Fork Whetstone Rv 1.3 mi Fair 150 Street over Ck 1.6 mi Poor 475 Avenue over South Fork Whetstone Rv 2.0 mi Good 479 Avenue over South Fork Whetstone Rv 2.1 mi Good