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Monday 7am - 4pm Tuesday 7am - 4pm Wednesday 7am - 4pm Thursday 7am - 4pm Friday 7am - 4pm

Engineered Concrete Products, LLC

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Rapid City, SD
Engineered Concrete Products, LLC

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Western South Dakota Premiere Precast Concrete Supplier. Septic Tanks, Separators, Sanitary Manholes

10/15/2026

And that’s a wrap! Just finished two identical 12x11 box culverts at Moose in Teton National Park.
The views were outstanding with a sunrise over the clouds and peaks with lots of wild life. The boxes turned out great so hats off to the ECP crews and truck drivers that made it happen!!!

10/07/2026

Nice morning to set some wall panels at the McKie Ford addition.

08/07/2026

Today we started a new chapter at ECP, precast concrete prestressed bridge planks for MDT. The team built 24 units that are 7'4" wide by 29' long with 28 strands pulled to 32,000 lbs each. Congratulations to everybody that participated in making this a very successful project.

07/22/2026

Our longest haul to date - Fayetteville Arkansas, 960 miles. We were asked to design and deliver this 19.5' x 7.5' x 16' tall vault by a customer struggling finding precast companies to build it. The vault straddles a 72" raw water line and allows the owners to inject chlorine into it.

07/16/2026

Morton Co. North Dakota - Double 12ft x 8ft Precast Box Culvert.

07/16/2026

Installation of the 12ft x 12ft x 78ft of precast box culvert, SDDOT, Hwy 85.

Address

14616 Wagner Lane
Rapid City, SD
57701

Opening Hours

Monday	7am - 4pm
Tuesday	7am - 4pm
Wednesday	7am - 4pm
Thursday	7am - 4pm
Friday	7am - 4pm

Telephone

(605)5031418

Website

http://www.ecpcompany.com/

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