406th Avenue over North Br Twelve Mile Ck

Fair Condition58 years old86 vehicles/day

Location

StateSouth Dakota
CountyDavison
Location5 W 0.1 N Ethan
Carries406th Avenue
CrossesNorth Br Twelve Mile Ck
Coordinates43.54404, -98.08461

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway5 (Fair)
Scour CriticalUnknown

Physical Characteristics

MaterialConcrete
DesignChannel Beam
Total Length62.0 ft (18.9 m)
Max Span29.9 ft (9.1 m)
Deck Width32.2 ft (9.8 m)
Deck Area185.2 sq m
Main Spans2
Year Built1968

Traffic

Avg Daily Traffic86 (2022)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000018120209

Nearby Bridges

265th Street over North Br Twelve Mile Ck 0.2 mi Fair 405th Avenue over North Br Twelve Mile Ck 1.1 mi Fair 407th Avenue over North Br Twelve Mile Ck 1.3 mi Poor 264th Street over North Br Twelve Mile Ck 1.4 mi Good 404th Avenue over Trib Twelve Mile Ck 2.0 mi Fair 404th Avenue over North Br Twelve Mile Ck 2.0 mi Fair 267th Street over South Fork Twelve Mile C 2.2 mi Good 407th Avenue over South Fork Twelve Mile C 2.7 mi Good 263rd Street over North Br Twelve Mile Ck 2.7 mi Good 407th Avenue over North Br Twelve Mile Ck 2.8 mi Poor