485th Avenue over Trib To Four Mile Ck

Fair Condition45 years old29 vehicles/day

Location

StateSouth Dakota
CountyMinnehaha
Location2w & 3.4s Valley Springs
Carries485th Avenue
CrossesTrib To Four Mile Ck
Coordinates43.53776, -96.51215

Condition Ratings

Overall ConditionFair
Deck6 (Satisfactory)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway8 (Very Good)
Scour CriticalUnknown

Physical Characteristics

MaterialPrestressed Concrete
DesignTee Beam
Total Length66.9 ft (20.4 m)
Max Span65.0 ft (19.8 m)
Deck Width32.2 ft (9.8 m)
Deck Area199.9 sq m
Main Spans1
Year Built1981

Traffic

Avg Daily Traffic29 (2023)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection624
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000050310214

Nearby Bridges

265th Street over Trib To Four Mile Ck 0.5 mi Fair 485th Avenue over Four Mile Creek 0.6 mi Fair 266th ST HWY 146 over Trib To Four Mile Ck 0.6 mi Good 486th Avenue over Four Mile Creek 1.4 mi Fair 484th AVE HWY 109 over Four Mile Creek 1.4 mi Fair 264th Street over Beaver Creek 1.9 mi Good 484th AVE HWY 109 over Beaver Creek 1.9 mi Fair 485th Avenue over Beaver Creek 1.9 mi Fair 264th Street over Beaver Creek 2.2 mi Good 487th AVE HWY 103 over Four Mile Creek 2.2 mi Fair