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Posted on: December 21, 2020

Bridge Replacement Project

Bridge Closure Detour Map

Structure 06-120-053, located 1.7 miles north of Bruce, SD on Brookings County Road 7 (466th Ave), is to be replaced beginning January 4, 2021.

Q.           What is happening with this particular structure?
A.           Removing the existing 282.8’ long structure which is 26.3’ wide, replacing with 315.1’ long by 32.0’ wide. The replacement structure is longer due to scour design requirements.

Q.           What will this project cost?
A.           $2,143,923.20 is the official bid price. Brookings County applied and was awarded a South Dakota Department of Transportation Bridge Improvement Grant or SDDOT BIG Grant on February 27, 2020 with a  50%/50% cost share between the SDDOT and Brookings County. 

Q.           Is that a good price?
A.           The original Engineers estimate total project was $2,650,000.

Q.           Why is this structure being replaced?
A.           The current structure in place, the concrete deck, back walls, and piers has been in a state of decay for many years and in areas rebar is fully exposed?

Q.           When will the work begin?
A.           January 4th, 2021 will be the official closure date.

Q.           Where is the detour?
A.           The detour for this project will utilize Interstate 29 and State Highway 28 to the north and south. 

Q.           Will emergency services have access to a shorter route in case of an emergency?
A.           Brookings County has made arrangements to provide an alternative route for emergency services while this structure is under construction.

Q.           When will the work end?
A.           The final completion date for this project is November 1, 2021. The contractor is commencing work in January to try to get as much work done in the channel of the Sioux River this winter so if it floods this spring they can continue to work on items outside the river channel. 

Please call the Brookings Highway Department at (605) 696-8270 or Banner Associates at (605) 692-6342 with questions.

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