| Letting Date | Project Number | PC# | Project Location | Description | Available Documents | Contact |
| 4/24/2026 | 000p-151, 000n-151, 000p-152, 000n-152 | i84Y, i850, i851, i852 | Brown County | Brown County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/24/2026 | 000p-151, 000n-151 | i853, i854 | Day County | Day County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/24/2026 | 000p-152, 000n-152 | i855, i856 | Edmunds County | Edmunds County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/24/2026 | 000p-152, 000n-152 | i857, i858 | Faulk County | Faulk County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/24/2026 | 000n-151 | i859 | Marshall County | Marshall County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/24/2026 | 000n-152, 000n-371 | i85A, i85C | McPherson County | McPherson County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/23/2026 | 000p-191, 000n-191 | i85D, i85E | Beadle County | Beadle County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/23/2026 | 000p-192, 000n-192 | i85F, i85G | Buffalo, Hand, Hughes, Hyde Counties | Buffalo, Hand, Hughes, Hyde County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/23/2026 | 000p-191, 000n-191 | i85H, i85J | Clark County | Clark County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/23/2026 | 000p-191, 000n-191 | i85K, i85L | Kingsbury County | Kingsbury County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/23/2026 | 000p-192, 000n-192, 000p-151, 000n-151 | i85M, i85N, i85P, i85Q | Spink County | Spink County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/22/2026 | 000i-171, 000p-171, 000n-171 | i83Q, i83R, i83T | Brookings County | Brookings County Weed Spraying | Proposal Addendum 1
| Mike Welch
605-626-2244 |
| 4/22/2026 | 000i-172, 000p-172, 000n-172 | i847, i848, i849 | Roberts County | Roberts County Weed Spraying | Proposal
| Mike Welch
605-626-2244 |
| 4/22/2026 | 000i-171, 000i-172 | i84W, i84X | Deuel, Moody, & Roberts Counties | Vegetation Management of Pollinator Plots along I-29. | Proposal
| Mike Welch
605-626-2244 |
| 4/21/2026 | 0009-168 | i83N | Watertown Area (Brookings, Codington, Deuel, Grant, Hamlin, Moody, Roberts counties) | Bridge Deck Sweeping | Proposal Plans Prospective Bidders List Addendum 1
| Mike Welch
605-626-2244 |
| 4/9/2026 | 000P-169 | i80Q | US 12 & US 281 in Brown & Spink Counties | Replace Luminaire Poles | Proposal Plans Prospective Bidders List Addendum 1 Apparent Low Bidders
| Mike Welch
605-626-2244 |
| Letting Date | Project Number | PC# | Project Location | Description | Available Documents | Contact |
| 5/12/2026 | 018-251, 044-251, 047-251, 050-251 (3 Segments), 034-253, 050-253, 224-253 & 281-253 | I86E-I86P | Aurora, Brule, Buffalo, Charles Mix, Gregory & Sanborn Counties | Spot Asphalt Concrete Resurfacing on various routes in the Mitchell Area | Proposal Plans Prospective Bidders List
| Glenn Walz
605-995-3304 |
| 5/12/2026 | P 00SW(00)7, P 00SW(00)8 & P 00SW(00)9 000I-271, 000P-271 & 000N-271 | PCN 0A9P, 0A9Q, 0AKC & I879-I87G | VS1 Site & Sioux Falls Areawide | Wetland Bank Site Management, Mowing & Weed Spraying (SF Area) | Proposal Plans Prospective Bidders List
| Monte D Rice
605-995-3302 |
| Letting Date | Project Number | PC# | Project Location | Description | Available Documents | Contact |
| 3/26/2026 | 3751C | i80L | Campbell County | Type 1B Aggregate Stockpile - Herreid Stockpile Site | Proposal Plans Prospective Bidders List Apparent Low Bidders
| Shelley M Larson
605-773-3464 |