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RIDOT celebrates reopening of Round Top Bridge in Burrillville

Building bridges and repairing roads with as little interruption possible for motorists is one of Rhode Island Department of Transportation’s (RIDOT) chief goals. To that end, the Department is constantly reviewing its construction methods. The adoption of accelerated bridge construction has paid big dividends for a recent bridge project in Burrillville.

RIDOT today celebrated the rapid construction of the Round Top Bridge in the village of Harrisville in Burrillville. The bridge, which carries Callahan School Street (Route 96) over the Clear River, was built in just 41 days. It was constructed entirely with pre-cast concrete components – the first time RIDOT has built a bridge this way. With conventional cast-in-place construction, the bridge likely would have been out of service for up to two years.

“RIDOT knows that bridge rehabilitation and replacement projects can be very disruptive to communities,” RIDOT Director Michael P. Lewis said. “We are very excited about accelerated bridge construction and intend make greater use of it in the future.”

In addition to using pre-cast concrete components, RIDOT placed a $3,000 per day incentive clause in its contract with Cardi Corporation, which helped further reduce the closure from an estimated 70 days to just 41 days. The original cost of the bridge was $1.2 million and Cardi earned an incentive of $87,000 for getting the structure open about one month earlier.

“Innovation is critical at this time of enormous resource constraints, increasing demand for services, aging infrastructure, and increasing maintenance costs,” noted FHWA Rhode Island Administrator Peter W. Osborn “The Rhode Island Department of Transportation is commended for their proactive approach to implementing innovations, such as accelerated bridge construction technologies, through the use of pre-cast bridge elements and innovative contracting approaches. The Round Top Bridge will serve as an example for future bridge projects in Rhode Island.”

The Round Top Bridge was built in 1938 and had deterioration of concrete and reinforcing steel. Due to its structurally deficiency, the bridge carried a 5-ton weight limit. This caused lengthy detours for trucks in the area and increased truck traffic on roads that normally do not carry much heavy traffic.

“We appreciate the quick manner in which RIDOT built this bridge,” Burrillville Town Council President Nancy F. Binns said. “In a rural town like ours, closing a bridge for a long time really affects business and residents.”

This is accelerated construction method cannot be used in all instances, either due to the design or size of the bridge or whether it can be closed entirely to traffic or must remain partially open to traffic. RIDOT will be reviewing all its bridge projects to determine which ones may be appropriate for accelerated construction.

Contact: Charles St. Martin 401-222-1362 x4007

Related links

Department or agency: Department of Transportation

Online: http://www.dot.ri.gov

Release date: 11-08-2010

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