Sealed proposals will be received at the office of the County Administrator, 204 South Fifth Street, P.O. Box 8608 Mankato, MN until 10:00 AM on Wednesday, October 17, 2018 at which time the bids will be opened. The bids will be considered by the County Board of Commissioners on October 23, 2018, for the following improvements:

SAP 007-640-006 – CSAH 40 over Willow Creek Box Culvert Replacement
(Old Bridge 90581 / New Bridge 07J30)

Approximate quantities are as follows:

QTY UNIT. Description
1 LS Mobilization
36 LF Remove Pipe Culverts
48 LF Sawing Bituminous Pavement (Full Depth)
540 SY Remove Bituminous Pavement
238 CY Common Excavation
157 CY Common Borrow (LV)
1 LS Temporary Stream Diversion System
227 CY Aggregate Base (CV) Class 5
23 CY Shoulder Base Aggregate (CV) Class 1
28 GALLON Bituminous Material for Tack Coat
129 TON Type SP 12.5 Wearing Course Mixture (2,B)
2 EA 10X7 Precast Concrete Box Culvert End Section
64 LF 10X7 Precast Concrete Box Culvert
1 LS Remove Existing Bridge
180 CY Granular Backfill (CV) (P)
177 CY Coarse Aggregate Bedding (CV) (P)
2 EA 15” GS Pipe Apron
1 EA 20” GS Pipe Apron
36 LF 15” CS Pipe Culvert
10 LF 20” CS Pipe Culvert
1 EA 20” CS Pipe Culvert Elbow
86 CY Random Riprap Class IV
43 CY Granular Filter
1 LS Traffic Control
522 LF Silt Fence, Type MS
1 EA Temporary Sediment Trap
1 LS Turf Establishment
825 SY Erosion Control Blanket Category 3N
0.18 ACRE Rapid Stabilization Method 1

Proposals, plans and special provisions are on file at the County Engineer’s office, 35 Map Drive, P.O. Box 3083, Mankato, MN 56002-3083. Plans may be downloaded at no cost at or can be obtained for a non-refundable fee of $35.00 (sales tax included). See the above website for a plan holders list and a complete listing of bid items.

A certified Check or Bid Bond for not less than 5% of the amount of each proposal must accompany the bid, payable to the Blue Earth County Treasurer.

The successful bidder will be required to furnish a Surety Bond.

Please identify on the front of the sealed envelope, “SAP 007-640-006 - BID ENCLOSED”.

Ryan Thilges, P.E.                                                           Robert W. Meyer