47960 312TH ST over WEST UNION CK

11.5S & 0.6E ALCESTER · County 127, South Dakota · Built 1986 · 2 Lanes · 40 vehicles/day

Structurally Deficient — One or more key components rated 4 (Poor) or below

Overall

Poor

Deck

Fair

Superstructure

Fair

Substructure

Poor

Condition Ratings

Component	Rating	Description
Deck	5	Fair
Superstructure	5	Fair
Substructure	4	Poor

Location

42.865833, -96.613206

This bridge is in worse condition than 76.3% of bridges in County 127. The average bridge in South Dakota is 0 years old; this one is 40 years old.

Nearby Bridges

48040 312TH ST over EAST UNION CK

Serious Built 1950

48140 312TH ST over CK

Poor Built 1940

47930 311TH ST over WEST UNION CK

Fair Built 1981

SD048 over WEST UNION CK

Fair Built 1960

SD048 over EAST UNION CK

Fair Built 1960

48050 311TH ST over EAST UNION CK

Poor Built 1950

30770 478 AVE. over CK

Fair Built 1940

47920 310TH ST over WEST UNION CK

Good Built 2020

48030 310 STR. over EAST UNION CK

Poor Built 1948

48150 313TH ST. over DRAINAGE DITCH

Good Built 1950

Bridge Details

Structure #: 000000064096150
Year Built: 1986
Length: 24.2 m (79.4 ft)
Max Span: 23.8 m
Width: 8.5 m (27.9 ft)
Lanes: 2
Daily Traffic: 40
Material: Steel
Design: Stringer/Multi-beam or Girder
Owner: County Highway Agency
Last Inspected: N/A
Est. Improvement: $17,000
Total Project Cost: $25,000

Data from FHWA National Bridge Inventory. Bridge conditions may have changed since the last inspection. This site is not affiliated with FHWA. Do not use for route clearance purposes.