478th Avenue over Medary Ck

Fair Condition45 years old92 vehicles/day

Location

StateSouth Dakota
CountyBrookings
Location2e & 0.1n Aurora
Carries478th Avenue
CrossesMedary Ck
Coordinates44.28464, -96.64721

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure7 (Good)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length101.0 ft (30.8 m)
Max Span49.5 ft (15.1 m)
Deck Width26.9 ft (8.2 m)
Deck Area252.6 sq m
Main Spans2
Year Built1981

Traffic

Avg Daily Traffic92 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000006240179

Nearby Bridges

214th Street over Medary Ck 0.5 mi Good 479th Avenue over Medary Ck 1.0 mi Fair 213th Street over Ck 1.2 mi Poor 477th Avenue over Medary Ck 1.3 mi Poor Us014 over Ck 1.9 mi Fair 480th Avenue over Medary Ck 2.0 mi Good 476th Avenue over Medary Ck 2.3 mi Good 476th Avenue over Tributary To Medary Ck 2.9 mi Good 481st Street over Medary Ck 3.0 mi Good 211th Street over Ck 3.1 mi Fair