Union County Highway Department

05/29/2026

Notice Regarding Union County Road 1B (between Elk Point and Jefferson): Construction Update. Roadwork is currently underway on the segment of County Road 1B from County Road 9 south to Jefferson and from the southern boundary of Jefferson to Exit 4, with project completion anticipated by Friday, May 29 (evening).

04/14/2026

UPDATE
CR #13 is now open to traffic! Thank you for your patience while we got this project completed.

ATTENTION
CR #13 is closed from 473rd to 475th to finish the bridge replacement project. Detour signs have been placed.

03/31/2026

!!Notice!!

The W**d Board/5 Year Plan annual meeting was last night March 30th, there was an error listed in the newspapers. We apologize for this but dont want anyone showing up tonight. Thank you to those that attended!

11/20/2025

The bridge replacement project has been finished and CR #13 is now open!

10/01/2025

CR #13 is closed for a bridge replacement project from 473rd to 475th. Road closed signs have been placed along with detour signs.

03/27/2025

*Effective immediately*

Union County Highway Department will be closing the bridge on 304 Street between 473rd Ave and 474th Ave.

10/23/2024

Update: CR #12 will be open for traffic at 4pm.

The Union County Highway Department will temporarily be closing CR #12 (299 Ave) today from 485th to 486th to repair flood damage and RR crossing.

07/17/2023

The Union County Highway Department has transitioned from this page to a public group "Union County Highway Department-SD". If you currently like or are following this page, please join our group.

07/12/2023

07/12/2023

Pictures of progress and completion of 64-134-040 (box culvert), utilizing Bridge Improvement Funding.