478th Avenue over Six Mile Ck

Fair Condition76 years old714 vehicles/day

Location

StateSouth Dakota
CountyBrookings
Location0.5n White
Carries478th Avenue
CrossesSix Mile Ck
Coordinates44.44134, -96.64615

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length116.1 ft (35.4 m)
Max Span25.9 ft (7.9 m)
Deck Width28.2 ft (8.6 m)
Deck Area304.4 sq m
Main Spans5
Year Built1950

Traffic

Avg Daily Traffic714 (2022)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000006240070

Nearby Bridges

477th Avenue over Six Mile Ck 1.0 mi Good 203 A Street over Six Mile Ck 1.3 mi Poor 479th Avenue over Ck 1.4 mi Poor 203 A Street over Ck 1.6 mi Fair 479th Avenue over Ck 2.0 mi Poor 205th Street over Ck 2.0 mi Fair 478th Avenue over Ck 2.2 mi Good 476th Avenue over Six Mile Ck 2.2 mi Good Sd030 over Six Mile Ck 2.3 mi Fair 476th Avenue over Ck 2.3 mi Good