Latest News

Unique stone veneer

05/15/2020
The Kissing Tree development used limestone excavated from the construction process to help frame the main road leading into the community.  Between the limestone walls, a bridge was needed to carry Dancing Oak Lane over the entry boulevard known as Center Point Road. DNT Construction selected a Twin-Leaf Versa-Series 56’…
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Existing Buried Bridge Extension

05/15/2020
When Sugarcreek Township built a new fire and police station, road improvements were needed to decrease response time to a new commercial development. Clyo Road was widened from a narrow two-lane road to a boulevard with a median in an area where an existing precast arch was installed just a…
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An Arch for Every Project

01/14/2020
What is the Most Efficient Arch Shape? It Depends. Unfortunately, there is no universally optimal shape for precast concrete three-sided structures. Just as every site is different, every site has its own arch shape that fits most efficiently in terms of material use (or cost). Starting with the stream, some…
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Smoothing Out the Turns

09/20/2019
Bridge #77 --Dearborn County, Indiana Woluing Road, Creekside Drive, and Taylor Creek converge at a rural site in Dearborn County, Indiana.  A two-lane bridge was built in 1917 to carry both roads over the stream. This required two 90° turns on each road at either side of the bridge. When…
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Resilient Structures

02/12/2019
Improving Aquatic Health with Culverts The Minnesota Department of Transportation has released a new report that includes recommendations for maintaining aquatic organism passage and stream connectivity at roadway crossings. In addition to meeting traditional hydraulic and roadway capacity goals, culverts may be designed to facilitate the movement and life cycle…
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Environmental Impacts

03/02/2018
Buried Bridge Environmental Product Declaration (EPD) New information is available that allows specifiers to compare the environmental impacts of different materials in order to make an informed decision on which is best for their project. The National Precast Concrete Association (NPCA), Canadian Precast/Prestressed Concrete Institute (CPCI), and Precast/Prestressed Concrete Institute…
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Saving Major $$$

10/20/2016
ECO-SPAN® Arch Bridges Deliver Big Savings in Indiana I-69 is a multi-state interstate construction project passing through states from Texas to Michigan. In Southern Indiana, a new highway connecting Evansville and Indianapolis had long been desired. With this route now needed as part of I-69 and the Indiana Department of…
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The Many Advantages of Arch Bridges

06/09/2016
The New ECO-SPAN® Brochure PreTek Group is pleased to introduce an updated ECO-SPAN® Arch Systems brochure, available for download here. The new brochure highlights many of the advantages of precast concrete arch bridges – aesthetics, speed of installation, durability, minimal maintenance, and improved safety and serviceability compared to other small…
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Time-Saving Tool for Engineers

01/20/2016
Precast Arch Bridge Foundation Loads A new time-saving tool for engineers is now available for download at www.eco-span.com. Including the latest AASHTO LRFD code revisions, the charts allow engineers to quickly size a foundation or estimate number of piles or caissons with confidence. See our Design Resources page for more…
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Award Winners

04/08/2015
In March, ECO-SPAN® designers, producers and sales professionals from around the country met in Orlando in conjunction with the annual National Precast Concrete Association (NPCA) and American Concrete Pipe Association (ACPA) Precast Show. Our agenda included a review of last year's successes and discussion of opportunities for improvement in 2015.…
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