471st Street over North Deer Ck

Poor Condition101 years old462 vehicles/day

Location

StateSouth Dakota
CountyBrookings
Location10.4n Brookings
Carries471st Street
CrossesNorth Deer Ck
Coordinates44.46229, -96.78720

Condition Ratings

Overall ConditionPoor
Deck4 (Poor)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical3 — Scour critical

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length74.1 ft (22.6 m)
Max Span36.1 ft (11 m)
Deck Width33.1 ft (10.1 m)
Deck Area228.3 sq m
Main Spans2
Year Built1925 (reconstructed 1940)

Traffic

Avg Daily Traffic462 (2022)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000006170056

Nearby Bridges