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Customized Precast Arch Solutions – Fast! Considering a precast concrete arch bridge for your project? Not sure if it will fit your site and your budget? Invest a few minutes entering information in this new online application and you'll quickly get the answers you need to move forward. Developed by…

Shaving Weeks Off Construction with ECO-SPAN® Projects that would have taken three to four months in the past are now routinely accomplished in 6-7 weeks using modular systems such as the ECO-SPAN® Arch System. The example in the video below was recently completed near Dayton, Ohio. It is a 24'-0"…

ECO-SPAN®: Perfect Solution for Animal Crossings Structures designed to provide safe passage for animals over or under roadways are becoming more and more common. Whether for driver safety or protection of endangered species, funding seems to be more readily available with each new highway funding bill. ECO-SPAN® and other buried…

ECO-SPAN®: Restoring Stream Ecosystems A recent article by Emily Clegg in the National Precast Concrete Association (NPCA) publication Precast Solutions highlighted a some of the many benefits that precast concrete arches such as ECO-SPAN® offer for stream ecosystems. While the focus of the article was the Great Lakes Basin, the same principles apply…

Advancing the Use of Culverts as Highway Bridges There are several ways to define a culvert as opposed to a bridge. Span length, hydraulic performance, and presence of earth fill are a few. A growing number of state highway agencies are choosing to use "culverts" (as defined by presence of earth…

SR 60 Arch Extension As part of a new bypass highway around the city of Salem, Indiana, it was necessary for the Indiana Department of Transportation (INDOT) to widen the existing State Route 60 just east of town near the new intersection. An existing cast-in-place arch bridge built in 1948…

Expertise in Specification and Drawing Preparation PreTek is often asked to help develop specifications and engineering drawings for consultants when they are considering an ECO-SPAN® arch for their project. Since we specialize in small bridges and have standard details and designs, we can offer this service at a price that…