47960 312th ST over West Union Ck

Poor Condition40 years old40 vehicles/day

Location

StateSouth Dakota
CountyUnion
Location11.5s & 0.6e Alcester
Carries47960 312th ST
CrossesWest Union Ck
Coordinates42.86576, -96.61305

Condition Ratings

Overall ConditionPoor
Deck5 (Fair)
Superstructure5 (Fair)
Substructure4 (Poor)
Channel/Waterway6 (Satisfactory)
Scour CriticalUnknown

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length79.4 ft (24.2 m)
Max Span78.1 ft (23.8 m)
Deck Width27.9 ft (8.5 m)
Deck Area205.7 sq m
Main Spans1
Year Built1986

Traffic

Avg Daily Traffic40 (2022)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000064096150

Nearby Bridges

48040 312th ST over East Union Ck 0.8 mi Poor 47930 311th ST over West Union Ck 1.0 mi Fair Sd048 over West Union Ck 1.1 mi Fair Sd048 over East Union Ck 1.3 mi Fair 48050 311th ST over East Union Ck 1.3 mi Poor 48140 312th ST over Ck 1.7 mi Poor 47920 310th ST over West Union Ck 2.1 mi Good 48150 313th St. over Drainage Ditch 2.1 mi Good 48030 310 Str. over East Union Ck 2.1 mi Poor Sd048 over Drainage Ditch 2.4 mi Fair