464th Avenue over Big Sioux River

Good Condition36 years old66 vehicles/day

Location

StateSouth Dakota
CountyHamlin
Location1w & 0.2s Of Estelline
Carries464th Avenue
CrossesBig Sioux River
Coordinates44.57007, -96.92560

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length137.5 ft (41.9 m)
Max Span51.8 ft (15.8 m)
Deck Width32.8 ft (10 m)
Deck Area419 sq m
Main Spans3
Year Built1990

Traffic

Avg Daily Traffic66 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000029280162

Nearby Bridges

Sd028 over Big Sioux Rv 0.3 mi Fair 195th Street over Big Sioux River 0.9 mi Good 463rd Avenue over Big Sioux River 2.0 mi Fair 192nd Street over Hidewood Creek 2.2 mi Poor 465th Avenue over Big Sioux Rv 2.3 mi Fair 192nd Street over Big Sioux River 2.5 mi Good 464th Avenue over Hidewood Creek 2.7 mi Good 466th Avenue over Ck 3.0 mi Good 465th Avenue over Hidewood Creek 3.1 mi Good 467 Avenue over Peg Munky Run 3.2 mi Good